diff options
| author | Kawrakow <48489457+ikawrakow@users.noreply.github.com> | 2024-07-27 07:55:01 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-27 07:55:01 +0200 |
| commit | 154e0d75fccf1784fe9ff6fd76a630b66563da3d (patch) | |
| tree | 81ce6dbb5b1900c1aa78a879f0593c694cab9d27 /convert-hf-to-gguf.py | |
| parent | 0684c3e9c70d49323b4fc517128cbe222cab7f96 (diff) | |
Merge mainline llama.cpp (#3)
* Merging mainline - WIP
* Merging mainline - WIP
AVX2 and CUDA appear to work.
CUDA performance seems slightly (~1-2%) lower as it is so often
the case with llama.cpp/ggml after some "improvements" have been made.
* Merging mainline - fix Metal
* Remove check
---------
Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com>
Diffstat (limited to 'convert-hf-to-gguf.py')
| -rwxr-xr-x | convert-hf-to-gguf.py | 2946 |
1 files changed, 0 insertions, 2946 deletions
diff --git a/convert-hf-to-gguf.py b/convert-hf-to-gguf.py deleted file mode 100755 index ebd36a9b..00000000 --- a/convert-hf-to-gguf.py +++ /dev/null @@ -1,2946 +0,0 @@ -#!/usr/bin/env python3 -# -*- coding: utf-8 -*- - -from __future__ import annotations - -import logging -import argparse -import contextlib -import json -import os -import re -import sys -from enum import IntEnum -from pathlib import Path -from hashlib import sha256 -from typing import TYPE_CHECKING, Any, Callable, ContextManager, Iterable, Iterator, Sequence, TypeVar, cast - -import math -import numpy as np -import torch - -if TYPE_CHECKING: - from torch import Tensor - -if 'NO_LOCAL_GGUF' not in os.environ: - sys.path.insert(1, str(Path(__file__).parent / 'gguf-py')) -import gguf - -logger = logging.getLogger("hf-to-gguf") - - -###### MODEL DEFINITIONS ###### - -class SentencePieceTokenTypes(IntEnum): - NORMAL = 1 - UNKNOWN = 2 - CONTROL = 3 - USER_DEFINED = 4 - UNUSED = 5 - BYTE = 6 - - -AnyModel = TypeVar("AnyModel", bound="type[Model]") - - -class Model: - _model_classes: dict[str, type[Model]] = {} - - dir_model: Path - ftype: gguf.LlamaFileType - is_big_endian: bool - endianess: gguf.GGUFEndian - use_temp_file: bool - lazy: bool - model_name: str | None - part_names: list[str] - is_safetensors: bool - hparams: dict[str, Any] - block_count: int - tensor_map: gguf.TensorNameMap - tensor_names: set[str] | None - fname_out: Path - gguf_writer: gguf.GGUFWriter - - # subclasses should define this! - model_arch: gguf.MODEL_ARCH - - def __init__(self, dir_model: Path, ftype: gguf.LlamaFileType, fname_out: Path, is_big_endian: bool, use_temp_file: bool, eager: bool, model_name: str | None): - if type(self) is Model: - raise TypeError(f"{type(self).__name__!r} should not be directly instantiated") - self.dir_model = dir_model - self.ftype = ftype - self.is_big_endian = is_big_endian - self.endianess = gguf.GGUFEndian.BIG if is_big_endian else gguf.GGUFEndian.LITTLE - self.use_temp_file = use_temp_file - self.lazy = not eager - self.model_name = model_name - self.part_names = Model.get_model_part_names(self.dir_model, "model", ".safetensors") - self.is_safetensors = len(self.part_names) > 0 - if not self.is_safetensors: - self.part_names = Model.get_model_part_names(self.dir_model, "pytorch_model", ".bin") - self.hparams = Model.load_hparams(self.dir_model) - self.block_count = self.find_hparam(["n_layers", "num_hidden_layers", "n_layer"]) - self.tensor_map = gguf.get_tensor_name_map(self.model_arch, self.block_count) - self.tensor_names = None - if self.ftype == gguf.LlamaFileType.GUESSED: - # NOTE: can't use field "torch_dtype" in config.json, because some finetunes lie. - _, first_tensor = next(self.get_tensors()) - if first_tensor.dtype == torch.float16: - logger.info(f"choosing --outtype f16 from first tensor type ({first_tensor.dtype})") - self.ftype = gguf.LlamaFileType.MOSTLY_F16 - else: - logger.info(f"choosing --outtype bf16 from first tensor type ({first_tensor.dtype})") - self.ftype = gguf.LlamaFileType.MOSTLY_BF16 - ftype_up: str = self.ftype.name.partition("_")[2].upper() - ftype_lw: str = ftype_up.lower() - # allow templating the file name with the output ftype, useful with the "auto" ftype - self.fname_out = fname_out.parent / fname_out.name.format(ftype_lw, outtype=ftype_lw, ftype=ftype_lw, OUTTYPE=ftype_up, FTYPE=ftype_up) - self.gguf_writer = gguf.GGUFWriter(path=None, arch=gguf.MODEL_ARCH_NAMES[self.model_arch], endianess=self.endianess, use_temp_file=self.use_temp_file) - - @classmethod - def __init_subclass__(cls): - # can't use an abstract property, because overriding it without type errors - # would require using decorated functions instead of simply defining the property - if "model_arch" not in cls.__dict__: - raise TypeError(f"Missing property 'model_arch' for {cls.__name__!r}") - - def find_hparam(self, keys: Iterable[str], optional: bool = False) -> Any: - key = next((k for k in keys if k in self.hparams), None) - if key is not None: - return self.hparams[key] - if optional: - return None - raise KeyError(f"could not find any of: {keys}") - - def set_vocab(self): - self._set_vocab_gpt2() - - def get_tensors(self) -> Iterator[tuple[str, Tensor]]: - tensor_names_from_parts: set[str] = set() - - if len(self.part_names) > 1: - self.tensor_names = set() - index_name = "model.safetensors" if self.is_safetensors else "pytorch_model.bin" - index_name += ".index.json" - logger.info(f"gguf: loading model weight map from '{index_name}'") - with open(self.dir_model / index_name, "r", encoding="utf-8") as f: - index: dict[str, Any] = json.load(f) - weight_map = index.get("weight_map") - if weight_map is None or not isinstance(weight_map, dict): - raise ValueError(f"Can't load 'weight_map' from {index_name!r}") - self.tensor_names.update(weight_map.keys()) - else: - self.tensor_names = tensor_names_from_parts - - for part_name in self.part_names: - logger.info(f"gguf: loading model part '{part_name}'") - ctx: ContextManager[Any] - if self.is_safetensors: - from safetensors import safe_open - ctx = cast(ContextManager[Any], safe_open(self.dir_model / part_name, framework="pt", device="cpu")) - else: - ctx = contextlib.nullcontext(torch.load(str(self.dir_model / part_name), map_location="cpu", mmap=True, weights_only=True)) - - with ctx as model_part: - tensor_names_from_parts.update(model_part.keys()) - - for name in model_part.keys(): - data = model_part.get_tensor(name) if self.is_safetensors else model_part[name] - if self.lazy: - data = LazyTorchTensor.from_eager(data) - yield name, data - - # only verify tensor name presence; it doesn't matter if they are not in the right files - if len(sym_diff := tensor_names_from_parts.symmetric_difference(self.tensor_names)) > 0: - raise ValueError(f"Mismatch between weight map and model parts for tensor names: {sym_diff}") - - def format_tensor_name(self, key: gguf.MODEL_TENSOR, bid: int | None = None, suffix: str = ".weight") -> str: - if key not in gguf.MODEL_TENSORS[self.model_arch]: - raise ValueError(f"Missing {key!r} for MODEL_TENSORS of {self.model_arch!r}") - name: str = gguf.TENSOR_NAMES[key] - if "{bid}" in name: - assert bid is not None - name = name.format(bid=bid) - return name + suffix - - def match_model_tensor_name(self, name: str, key: gguf.MODEL_TENSOR, bid: int | None, suffix: str = ".weight") -> bool: - if key not in gguf.MODEL_TENSORS[self.model_arch]: - return False - key_name: str = gguf.TENSOR_NAMES[key] - if "{bid}" in key_name: - if bid is None: - return False - key_name = key_name.format(bid=bid) - else: - if bid is not None: - return False - return name == (key_name + suffix) - - def map_tensor_name(self, name: str, try_suffixes: Sequence[str] = (".weight", ".bias")) -> str: - new_name = self.tensor_map.get_name(key=name, try_suffixes=try_suffixes) - if new_name is None: - raise ValueError(f"Can not map tensor {name!r}") - return new_name - - def set_gguf_parameters(self): - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_block_count(self.block_count) - - if (n_ctx := self.find_hparam(["max_position_embeddings", "n_ctx"], optional=True)) is not None: - self.gguf_writer.add_context_length(n_ctx) - logger.info(f"gguf: context length = {n_ctx}") - - n_embd = self.find_hparam(["hidden_size", "n_embd"]) - self.gguf_writer.add_embedding_length(n_embd) - logger.info(f"gguf: embedding length = {n_embd}") - - if (n_ff := self.find_hparam(["intermediate_size", "n_inner"], optional=True)) is not None: - self.gguf_writer.add_feed_forward_length(n_ff) - logger.info(f"gguf: feed forward length = {n_ff}") - - n_head = self.find_hparam(["num_attention_heads", "n_head"]) - self.gguf_writer.add_head_count(n_head) - logger.info(f"gguf: head count = {n_head}") - - if (n_head_kv := self.hparams.get("num_key_value_heads")) is not None: - self.gguf_writer.add_head_count_kv(n_head_kv) - logger.info(f"gguf: key-value head count = {n_head_kv}") - - if (rope_theta := self.hparams.get("rope_theta")) is not None: - self.gguf_writer.add_rope_freq_base(rope_theta) - logger.info(f"gguf: rope theta = {rope_theta}") - if (f_rms_eps := self.hparams.get("rms_norm_eps")) is not None: - self.gguf_writer.add_layer_norm_rms_eps(f_rms_eps) - logger.info(f"gguf: rms norm epsilon = {f_rms_eps}") - if (f_norm_eps := self.find_hparam(["layer_norm_eps", "layer_norm_epsilon", "norm_epsilon"], optional=True)) is not None: - self.gguf_writer.add_layer_norm_eps(f_norm_eps) - logger.info(f"gguf: layer norm epsilon = {f_norm_eps}") - if (n_experts := self.hparams.get("num_local_experts")) is not None: - self.gguf_writer.add_expert_count(n_experts) - logger.info(f"gguf: expert count = {n_experts}") - if (n_experts_used := self.hparams.get("num_experts_per_tok")) is not None: - self.gguf_writer.add_expert_used_count(n_experts_used) - logger.info(f"gguf: experts used count = {n_experts_used}") - - self.gguf_writer.add_file_type(self.ftype) - logger.info(f"gguf: file type = {self.ftype}") - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - return [(self.map_tensor_name(name), data_torch)] - - def extra_f32_tensors(self, name: str, new_name: str, bid: int | None, n_dims: int) -> bool: - del name, new_name, bid, n_dims # unused - - return False - - def extra_f16_tensors(self, name: str, new_name: str, bid: int | None, n_dims: int) -> bool: - del name, new_name, bid, n_dims # unused - - return False - - def write_tensors(self): - max_name_len = max(len(s) for _, s in self.tensor_map.mapping.values()) + len(".weight,") - - for name, data_torch in self.get_tensors(): - # we don't need these - if name.endswith((".attention.masked_bias", ".attention.bias", ".rotary_emb.inv_freq")): - continue - - old_dtype = data_torch.dtype - - # convert any unsupported data types to float32 - if data_torch.dtype not in (torch.float16, torch.float32): - data_torch = data_torch.to(torch.float32) - - # use the first number-like part of the tensor name as the block id - bid = None - for part in name.split("."): - if part.isdecimal(): - bid = int(part) - break - - for new_name, data in ((n, d.squeeze().numpy()) for n, d in self.modify_tensors(data_torch, name, bid)): - data: np.ndarray = data # type hint - n_dims = len(data.shape) - data_dtype = data.dtype - data_qtype: gguf.GGMLQuantizationType | None = None - - # when both are True, f32 should win - extra_f32 = self.extra_f32_tensors(name, new_name, bid, n_dims) - extra_f16 = self.extra_f16_tensors(name, new_name, bid, n_dims) - - # Most of the codebase that takes in 1D tensors or norms only handles F32 tensors - # Conditions should closely match those in llama_model_quantize_internal in llama.cpp - extra_f32 = any(cond for cond in ( - extra_f32, - n_dims == 1, - new_name.endswith("_norm.weight"), - )) - - # Some tensor types are always in float32 - extra_f32 = extra_f32 or any(self.match_model_tensor_name(new_name, key, bid) for key in ( - gguf.MODEL_TENSOR.FFN_GATE_INP, - gguf.MODEL_TENSOR.POS_EMBD, - gguf.MODEL_TENSOR.TOKEN_TYPES, - )) - - # if f16 desired, convert any float32 2-dim weight tensors to float16 - extra_f16 = any(cond for cond in ( - extra_f16, - (name.endswith(".weight") and n_dims >= 2), - )) - - if self.ftype != gguf.LlamaFileType.ALL_F32 and extra_f16 and not extra_f32: - if self.ftype == gguf.LlamaFileType.MOSTLY_BF16: - data = gguf.quantize_bf16(data) - assert data.dtype == np.int16 - data_qtype = gguf.GGMLQuantizationType.BF16 - - elif self.ftype == gguf.LlamaFileType.MOSTLY_Q8_0 and gguf.can_quantize_to_q8_0(data): - data = gguf.quantize_q8_0(data) - assert data.dtype == np.uint8 - data_qtype = gguf.GGMLQuantizationType.Q8_0 - - else: # default to float16 for quantized tensors - if data_dtype != np.float16: - data = data.astype(np.float16) - data_qtype = gguf.GGMLQuantizationType.F16 - - if data_qtype is None: # by default, convert to float32 - if data_dtype != np.float32: - data = data.astype(np.float32) - data_qtype = gguf.GGMLQuantizationType.F32 - - shape = gguf.quant_shape_from_byte_shape(data.shape, data_qtype) if data.dtype == np.uint8 else data.shape - - # reverse shape to make it similar to the internal ggml dimension order - shape_str = f"{{{', '.join(str(n) for n in reversed(shape))}}}" - - # n_dims is implicit in the shape - logger.info(f"{f'%-{max_name_len}s' % f'{new_name},'} {old_dtype} --> {data_qtype.name}, shape = {shape_str}") - - self.gguf_writer.add_tensor(new_name, data, raw_dtype=data_qtype) - - def write(self): - self.write_tensors() - self.gguf_writer.write_header_to_file(self.fname_out) - self.gguf_writer.write_kv_data_to_file() - self.gguf_writer.write_tensors_to_file(progress=True) - self.gguf_writer.close() - - def write_vocab(self): - self.gguf_writer.write_header_to_file(self.fname_out) - self.gguf_writer.write_kv_data_to_file() - self.gguf_writer.close() - - @staticmethod - def get_model_part_names(dir_model: Path, prefix: str, suffix: str) -> list[str]: - part_names: list[str] = [] - for filename in os.listdir(dir_model): - if filename.startswith(prefix) and filename.endswith(suffix): - part_names.append(filename) - - part_names.sort() - - return part_names - - @staticmethod - def load_hparams(dir_model: Path): - with open(dir_model / "config.json", "r", encoding="utf-8") as f: - return json.load(f) - - @classmethod - def register(cls, *names: str) -> Callable[[AnyModel], AnyModel]: - assert names - - def func(modelcls: AnyModel) -> AnyModel: - for name in names: - cls._model_classes[name] = modelcls - return modelcls - return func - - @classmethod - def from_model_architecture(cls, arch: str) -> type[Model]: - try: - return cls._model_classes[arch] - except KeyError: - raise NotImplementedError(f'Architecture {arch!r} not supported!') from None - - # used for GPT-2 BPE and WordPiece vocabs - def get_vocab_base(self) -> tuple[list[str], list[int], str]: - tokens: list[str] = [] - toktypes: list[int] = [] - - from transformers import AutoTokenizer - tokenizer = AutoTokenizer.from_pretrained(self.dir_model) - vocab_size = self.hparams.get("vocab_size", len(tokenizer.vocab)) - assert max(tokenizer.vocab.values()) < vocab_size - - tokpre = self.get_vocab_base_pre(tokenizer) - - reverse_vocab = {id_: encoded_tok for encoded_tok, id_ in tokenizer.vocab.items()} - added_vocab = tokenizer.get_added_vocab() - - for i in range(vocab_size): - if i not in reverse_vocab: - tokens.append(f"[PAD{i}]") - toktypes.append(gguf.TokenType.USER_DEFINED) - elif reverse_vocab[i] in added_vocab: - tokens.append(reverse_vocab[i]) - if tokenizer.added_tokens_decoder[i].special: - toktypes.append(gguf.TokenType.CONTROL) - else: - toktypes.append(gguf.TokenType.USER_DEFINED) - else: - tokens.append(reverse_vocab[i]) - toktypes.append(gguf.TokenType.NORMAL) - - return tokens, toktypes, tokpre - - # NOTE: this function is generated by convert-hf-to-gguf-update.py - # do not modify it manually! - # ref: https://github.com/ggerganov/llama.cpp/pull/6920 - # Marker: Start get_vocab_base_pre - def get_vocab_base_pre(self, tokenizer) -> str: - # encoding this string and hashing the resulting tokens would (hopefully) give us a unique identifier that - # is specific for the BPE pre-tokenizer used by the model - # we will use this unique identifier to write a "tokenizer.ggml.pre" entry in the GGUF file which we can - # use in llama.cpp to implement the same pre-tokenizer - - chktxt = '\n \n\n \n\n\n \t \t\t \t\n \n \n \n \n🚀 (normal) 😶\u200d🌫️ (multiple emojis concatenated) ✅ 🦙🦙 3 33 333 3333 33333 333333 3333333 33333333 3.3 3..3 3...3 កាន់តែពិសេសអាច😁 ?我想在apple工作1314151天～ ------======= нещо на Български \'\'\'\'\'\'```````""""......!!!!!!?????? I\'ve been \'told he\'s there, \'RE you sure? \'M not sure I\'ll make it, \'D you like some tea? We\'Ve a\'lL' - - chktok = tokenizer.encode(chktxt) - chkhsh = sha256(str(chktok).encode()).hexdigest() - - logger.debug(f"chktok: {chktok}") - logger.debug(f"chkhsh: {chkhsh}") - - res = None - - # NOTE: if you get an error here, you need to update the convert-hf-to-gguf-update.py script - # or pull the latest version of the model from Huggingface - # don't edit the hashes manually! - if chkhsh == "0ef9807a4087ebef797fc749390439009c3b9eda9ad1a097abbe738f486c01e5": - # ref: https://huggingface.co/meta-llama/Meta-Llama-3-8B - res = "llama-bpe" - if chkhsh == "049ecf7629871e3041641907f3de7c733e4dbfdc736f57d882ba0b0845599754": - # ref: https://huggingface.co/deepseek-ai/deepseek-llm-7b-base - res = "deepseek-llm" - if chkhsh == "347715f544604f9118bb75ed199f68779f423cabb20db6de6f31b908d04d7821": - # ref: https://huggingface.co/deepseek-ai/deepseek-coder-6.7b-base - res = "deepseek-coder" - if chkhsh == "8aeee3860c56296a157a1fe2fad249ec40aa59b1bb5709f4ade11c4e6fe652ed": - # ref: https://huggingface.co/tiiuae/falcon-7b - res = "falcon" - if chkhsh == "0876d13b50744004aa9aeae05e7b0647eac9d801b5ba4668afc01e709c15e19f": - # ref: https://huggingface.co/BAAI/bge-small-en-v1.5 - res = "bert-bge" - if chkhsh == "b6dc8df998e1cfbdc4eac8243701a65afe638679230920b50d6f17d81c098166": - # ref: https://huggingface.co/mosaicml/mpt-7b - res = "mpt" - if chkhsh == "35d91631860c815f952d711435f48d356ebac988362536bed955d43bfa436e34": - # ref: https://huggingface.co/bigcode/starcoder2-3b - res = "starcoder" - if chkhsh == "3ce83efda5659b07b1ad37ca97ca5797ea4285d9b9ab0dc679e4a720c9da7454": - # ref: https://huggingface.co/openai-community/gpt2 - res = "gpt-2" - if chkhsh == "32d85c31273f8019248f2559fed492d929ea28b17e51d81d3bb36fff23ca72b3": - # ref: https://huggingface.co/stabilityai/stablelm-2-zephyr-1_6b - res = "stablelm2" - if chkhsh == "6221ad2852e85ce96f791f476e0b390cf9b474c9e3d1362f53a24a06dc8220ff": - # ref: https://huggingface.co/smallcloudai/Refact-1_6-base - res = "refact" - if chkhsh == "9c2227e4dd922002fb81bde4fc02b0483ca4f12911410dee2255e4987644e3f8": - # ref: https://huggingface.co/CohereForAI/c4ai-command-r-v01 - res = "command-r" - if chkhsh == "e636dc30a262dcc0d8c323492e32ae2b70728f4df7dfe9737d9f920a282b8aea": - # ref: https://huggingface.co/Qwen/Qwen1.5-7B - res = "qwen2" - if chkhsh == "b6dc8df998e1cfbdc4eac8243701a65afe638679230920b50d6f17d81c098166": - # ref: https://huggingface.co/allenai/OLMo-1.7-7B-hf - res = "olmo" - if chkhsh == "a8594e3edff7c29c003940395316294b2c623e09894deebbc65f33f1515df79e": - # ref: https://huggingface.co/databricks/dbrx-base - res = "dbrx" - if chkhsh == "0876d13b50744004aa9aeae05e7b0647eac9d801b5ba4668afc01e709c15e19f": - # ref: https://huggingface.co/jinaai/jina-embeddings-v2-base-en - res = "jina-v2-en" - if chkhsh == "171aeeedd6fb548d418a7461d053f11b6f1f1fc9b387bd66640d28a4b9f5c643": - # ref: https://huggingface.co/jinaai/jina-embeddings-v2-base-es - res = "jina-v2-es" - if chkhsh == "27949a2493fc4a9f53f5b9b029c82689cfbe5d3a1929bb25e043089e28466de6": - # ref: https://huggingface.co/jinaai/jina-embeddings-v2-base-de - res = "jina-v2-de" - if chkhsh == "c136ed14d01c2745d4f60a9596ae66800e2b61fa45643e72436041855ad4089d": - # ref: https://huggingface.co/abacusai/Smaug-Llama-3-70B-Instruct - res = "smaug-bpe" - if chkhsh == "c7ea5862a53e4272c035c8238367063e2b270d51faa48c0f09e9d5b54746c360": - # ref: https://huggingface.co/LumiOpen/Poro-34B-chat - res = "poro-chat" - if chkhsh == "7967bfa498ade6b757b064f31e964dddbb80f8f9a4d68d4ba7998fcf281c531a": - # ref: https://huggingface.co/jinaai/jina-embeddings-v2-base-code - res = "jina-v2-code" - - if res is None: - logger.warning("\n") - logger.warning("**************************************************************************************") - logger.warning("** WARNING: The BPE pre-tokenizer was not recognized!") - logger.warning("** There are 2 possible reasons for this:") - logger.warning("** - the model has not been added to convert-hf-to-gguf-update.py yet") - logger.warning("** - the pre-tokenization config has changed upstream") - logger.warning("** Check your model files and convert-hf-to-gguf-update.py and update them accordingly.") - logger.warning("** ref: https://github.com/ggerganov/llama.cpp/pull/6920") - logger.warning("**") - logger.warning(f"** chkhsh: {chkhsh}") - logger.warning("**************************************************************************************") - logger.warning("\n") - raise NotImplementedError("BPE pre-tokenizer was not recognized - update get_vocab_base_pre()") - - logger.debug(f"tokenizer.ggml.pre: {repr(res)}") - logger.debug(f"chkhsh: {chkhsh}") - - return res - # Marker: End get_vocab_base_pre - - def _set_vocab_gpt2(self) -> None: - tokens, toktypes, tokpre = self.get_vocab_base() - self.gguf_writer.add_tokenizer_model("gpt2") - self.gguf_writer.add_tokenizer_pre(tokpre) - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(self.dir_model, load_merges=True) - special_vocab.add_to_gguf(self.gguf_writer) - - def _set_vocab_qwen(self): - dir_model = self.dir_model - hparams = self.hparams - tokens: list[str] = [] - toktypes: list[int] = [] - - from transformers import AutoTokenizer - tokenizer = AutoTokenizer.from_pretrained(dir_model, trust_remote_code=True) - vocab_size = hparams["vocab_size"] - assert max(tokenizer.get_vocab().values()) < vocab_size - - tokpre = self.get_vocab_base_pre(tokenizer) - - merges = [] - vocab = {} - mergeable_ranks = tokenizer.mergeable_ranks - for token, rank in mergeable_ranks.items(): - vocab[QwenModel.token_bytes_to_string(token)] = rank - if len(token) == 1: - continue - merged = QwenModel.bpe(mergeable_ranks, token, max_rank=rank) - assert len(merged) == 2 - merges.append(' '.join(map(QwenModel.token_bytes_to_string, merged))) - - # for this kind of tokenizer, added_vocab is not a subset of vocab, so they need to be combined - added_vocab = tokenizer.special_tokens - reverse_vocab = {id_ : encoded_tok for encoded_tok, id_ in {**vocab, **added_vocab}.items()} - - for i in range(vocab_size): - if i not in reverse_vocab: - tokens.append(f"[PAD{i}]") - toktypes.append(gguf.TokenType.USER_DEFINED) - elif reverse_vocab[i] in added_vocab: - tokens.append(reverse_vocab[i]) - toktypes.append(gguf.TokenType.CONTROL) - else: - tokens.append(reverse_vocab[i]) - toktypes.append(gguf.TokenType.NORMAL) - - self.gguf_writer.add_tokenizer_model("gpt2") - self.gguf_writer.add_tokenizer_pre(tokpre) - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(dir_model, load_merges=False) - special_vocab.merges = merges - # only add special tokens when they were not already loaded from config.json - if len(special_vocab.special_token_ids) == 0: - special_vocab._set_special_token("bos", tokenizer.special_tokens["<|endoftext|>"]) - special_vocab._set_special_token("eos", tokenizer.special_tokens["<|endoftext|>"]) - # this one is usually not in config.json anyway - special_vocab._set_special_token("unk", tokenizer.special_tokens["<|endoftext|>"]) - special_vocab.add_to_gguf(self.gguf_writer) - - def _set_vocab_sentencepiece(self): - from sentencepiece import SentencePieceProcessor - - tokenizer_path = self.dir_model / 'tokenizer.model' - - tokens: list[bytes] = [] - scores: list[float] = [] - toktypes: list[int] = [] - - if not tokenizer_path.is_file(): - raise FileNotFoundError(f"File not found: {tokenizer_path}") - - tokenizer = SentencePieceProcessor() - tokenizer.LoadFromFile(str(tokenizer_path)) - - vocab_size = self.hparams.get('vocab_size', tokenizer.vocab_size()) - - tokens: list[bytes] = [f"[PAD{i}]".encode("utf-8") for i in range(vocab_size)] - scores: list[float] = [-10000.0] * vocab_size - toktypes: list[int] = [SentencePieceTokenTypes.UNKNOWN] * vocab_size - - for token_id in range(tokenizer.vocab_size()): - piece = tokenizer.IdToPiece(token_id) - text = piece.encode("utf-8") - score = tokenizer.GetScore(token_id) - - toktype = SentencePieceTokenTypes.NORMAL - if tokenizer.IsUnknown(token_id): - toktype = SentencePieceTokenTypes.UNKNOWN - elif tokenizer.IsControl(token_id): - toktype = SentencePieceTokenTypes.CONTROL - elif tokenizer.IsUnused(token_id): - toktype = SentencePieceTokenTypes.UNUSED - elif tokenizer.IsByte(token_id): - toktype = SentencePieceTokenTypes.BYTE - - tokens[token_id] = text - scores[token_id] = score - toktypes[token_id] = toktype - - added_tokens_file = self.dir_model / 'added_tokens.json' - if added_tokens_file.is_file(): - with open(added_tokens_file, "r", encoding="utf-8") as f: - added_tokens_json = json.load(f) - for key in added_tokens_json: - token_id = added_tokens_json[key] - if (token_id >= vocab_size): - logger.warning(f'ignore token {token_id}: id is out of range, max={vocab_size - 1}') - continue - - tokens[token_id] = key.encode("utf-8") - scores[token_id] = -1000.0 - toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED - - if vocab_size > len(tokens): - pad_count = vocab_size - len(tokens) - logger.debug(f"Padding vocab with {pad_count} token(s) - [PAD1] through [PAD{pad_count}]") - for i in range(1, pad_count + 1): - tokens.append(bytes(f"[PAD{i}]", encoding="utf-8")) - scores.append(-1000.0) - toktypes.append(SentencePieceTokenTypes.UNUSED) - - self.gguf_writer.add_tokenizer_model("llama") - self.gguf_writer.add_tokenizer_pre("default") - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_scores(scores) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(self.dir_model, n_vocab=len(tokens)) - special_vocab.add_to_gguf(self.gguf_writer) - - def _set_vocab_llama_hf(self): - vocab = gguf.LlamaHfVocab(self.dir_model) - tokens = [] - scores = [] - toktypes = [] - - for text, score, toktype in vocab.all_tokens(): - tokens.append(text) - scores.append(score) - toktypes.append(toktype) - - assert len(tokens) == vocab.vocab_size - - self.gguf_writer.add_tokenizer_model("llama") - self.gguf_writer.add_tokenizer_pre("default") - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_scores(scores) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(self.dir_model, n_vocab=len(tokens)) - special_vocab.add_to_gguf(self.gguf_writer) - - -@Model.register("GPTNeoXForCausalLM") -class GPTNeoXModel(Model): - model_arch = gguf.MODEL_ARCH.GPTNEOX - - def set_gguf_parameters(self): - block_count = self.hparams["num_hidden_layers"] - - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_context_length(self.hparams["max_position_embeddings"]) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_rope_dimension_count( - int(self.hparams["rotary_pct"] * (self.hparams["hidden_size"] // self.hparams["num_attention_heads"])), - ) - self.gguf_writer.add_head_count(self.hparams["num_attention_heads"]) - self.gguf_writer.add_parallel_residual(self.hparams.get("use_parallel_residual", True)) - self.gguf_writer.add_layer_norm_eps(self.hparams["layer_norm_eps"]) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - n_head = self.hparams.get("n_head", self.hparams.get("num_attention_heads")) - n_embed = self.hparams.get("hidden_size", self.hparams.get("n_embed")) - - tensors: list[tuple[str, Tensor]] = [] - - if re.match(r"gpt_neox\.layers\.\d+\.attention\.query_key_value\.weight", name): - # Map bloom-style qkv_linear to gpt-style qkv_linear - # bloom: https://github.com/huggingface/transformers/blob/main/src/transformers/models/bloom/modeling_bloom.py#L238-L252 # noqa - # gpt-2: https://github.com/huggingface/transformers/blob/main/src/transformers/models/gpt2/modeling_gpt2.py#L312 # noqa - qkv_weights = data_torch.reshape((n_head, 3, n_embed // n_head, n_embed)) - data_torch = torch.cat( - ( - qkv_weights[:, 0, :, :].reshape((-1, n_embed)), - qkv_weights[:, 1, :, :].reshape((-1, n_embed)), - qkv_weights[:, 2, :, :].reshape((-1, n_embed)), - ), - dim=0, - ) - logger.info("re-format attention.linear_qkv.weight") - elif re.match(r"gpt_neox\.layers\.\d+\.attention\.query_key_value\.bias", name): - qkv_bias = data_torch.reshape((n_head, 3, n_embed // n_head)) - data_torch = torch.cat( - ( - qkv_bias[:, 0, :].reshape((n_embed,)), - qkv_bias[:, 1, :].reshape((n_embed,)), - qkv_bias[:, 2, :].reshape((n_embed,)), - ), - dim=0, - ) - logger.info("re-format attention.linear_qkv.bias") - - tensors.append((self.map_tensor_name(name), data_torch)) - - return tensors - - -@Model.register("BloomForCausalLM") -class BloomModel(Model): - model_arch = gguf.MODEL_ARCH.BLOOM - - def set_gguf_parameters(self): - self.gguf_writer.add_name("Bloom") - n_embed = self.hparams.get("hidden_size", self.hparams.get("n_embed")) - n_head = self.hparams.get("n_head", self.hparams.get("num_attention_heads")) - self.gguf_writer.add_context_length(self.hparams.get("seq_length", n_embed)) - self.gguf_writer.add_embedding_length(n_embed) - self.gguf_writer.add_feed_forward_length(4 * n_embed) - self.gguf_writer.add_block_count(self.hparams["n_layer"]) - self.gguf_writer.add_head_count(n_head) - self.gguf_writer.add_head_count_kv(n_head) - self.gguf_writer.add_layer_norm_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - n_head = self.hparams.get("n_head", self.hparams.get("num_attention_heads")) - n_embed = self.hparams.get("hidden_size", self.hparams.get("n_embed")) - - name = re.sub(r'transformer\.', '', name) - - tensors: list[tuple[str, Tensor]] = [] - - if re.match(r"h\.\d+\.self_attention\.query_key_value\.weight", name): - # Map bloom-style qkv_linear to gpt-style qkv_linear - # bloom: https://github.com/huggingface/transformers/blob/main/src/transformers/models/bloom/modeling_bloom.py#L238-L252 # noqa - # gpt-2: https://github.com/huggingface/transformers/blob/main/src/transformers/models/gpt2/modeling_gpt2.py#L312 # noqa - qkv_weights = data_torch.reshape((n_head, 3, n_embed // n_head, n_embed)) - data_torch = torch.cat( - ( - qkv_weights[:, 0, :, :].reshape((-1, n_embed)), - qkv_weights[:, 1, :, :].reshape((-1, n_embed)), - qkv_weights[:, 2, :, :].reshape((-1, n_embed)), - ), - dim=0, - ) - logger.info("re-format attention.linear_qkv.weight") - elif re.match(r"h\.\d+\.self_attention\.query_key_value\.bias", name): - qkv_bias = data_torch.reshape((n_head, 3, n_embed // n_head)) - data_torch = torch.cat( - ( - qkv_bias[:, 0, :].reshape((n_embed,)), - qkv_bias[:, 1, :].reshape((n_embed,)), - qkv_bias[:, 2, :].reshape((n_embed,)), - ), - dim=0, - ) - logger.info("re-format attention.linear_qkv.bias") - - tensors.append((self.map_tensor_name(name), data_torch)) - - if name == "word_embeddings.weight": - assert self.tensor_names is not None - - # TODO: tie them at runtime, don't duplicate in the model file - if all(s not in self.tensor_names for s in ("lm_head.weight", "output.weight")): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.OUTPUT), data_torch)) - - return tensors - - -@Model.register("MPTForCausalLM") -class MPTModel(Model): - model_arch = gguf.MODEL_ARCH.MPT - - def set_vocab(self): - try: - self._set_vocab_gpt2() - except Exception: - # Fallback for SEA-LION model - self._set_vocab_sentencepiece() - self.gguf_writer.add_add_bos_token(False) - self.gguf_writer.add_pad_token_id(3) - self.gguf_writer.add_eos_token_id(1) - self.gguf_writer.add_unk_token_id(0) - - def set_gguf_parameters(self): - block_count = self.hparams["n_layers"] - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_context_length(self.hparams["max_seq_len"]) - self.gguf_writer.add_embedding_length(self.hparams["d_model"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(4 * self.hparams["d_model"]) - self.gguf_writer.add_head_count(self.hparams["n_heads"]) - if kv_n_heads := self.hparams["attn_config"].get("kv_n_heads"): - self.gguf_writer.add_head_count_kv(kv_n_heads) - self.gguf_writer.add_layer_norm_eps(1e-5) - if self.hparams["attn_config"]["clip_qkv"] is not None: - self.gguf_writer.add_clamp_kqv(self.hparams["attn_config"]["clip_qkv"]) - if self.hparams["attn_config"]["alibi"]: - self.gguf_writer.add_max_alibi_bias(self.hparams["attn_config"]["alibi_bias_max"]) - else: - self.gguf_writer.add_max_alibi_bias(0.0) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - if "scales" in name: - new_name = self.map_tensor_name(name, try_suffixes=(".weight", ".bias", ".scales")) - new_name = new_name.replace("scales", "act.scales") - else: - new_name = self.map_tensor_name(name, try_suffixes=(".weight", ".bias")) - - return [(new_name, data_torch)] - - -@Model.register("OrionForCausalLM") -class OrionModel(Model): - model_arch = gguf.MODEL_ARCH.ORION - - def set_vocab(self): - self._set_vocab_sentencepiece() - - def set_gguf_parameters(self): - block_count = self.hparams["num_hidden_layers"] - head_count = self.hparams["num_attention_heads"] - head_count_kv = self.hparams.get("num_key_value_heads", head_count) - hf_repo = self.hparams.get("_name_or_path", "") - - ctx_length = 0 - if "max_sequence_length" in self.hparams: - ctx_length = self.hparams["max_sequence_length"] - elif "max_position_embeddings" in self.hparams: - ctx_length = self.hparams["max_position_embeddings"] - elif "model_max_length" in self.hparams: - ctx_length = self.hparams["model_max_length"] - else: - raise ValueError("gguf: can not find ctx length parameter.") - - self.gguf_writer.add_file_type(self.ftype) - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_source_hf_repo(hf_repo) - self.gguf_writer.add_tensor_data_layout("Meta AI original pth") - self.gguf_writer.add_context_length(ctx_length) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_head_count(head_count) - self.gguf_writer.add_head_count_kv(head_count_kv) - # note: config provides rms norm but it is actually layer norm - # ref: https://huggingface.co/OrionStarAI/Orion-14B-Chat/blob/276a17221ce42beb45f66fac657a41540e71f4f5/modeling_orion.py#L570-L571 - self.gguf_writer.add_layer_norm_eps(self.hparams["rms_norm_eps"]) - - -@Model.register("BaichuanForCausalLM", "BaiChuanForCausalLM") -class BaichuanModel(Model): - model_arch = gguf.MODEL_ARCH.BAICHUAN - - def set_vocab(self): - self._set_vocab_sentencepiece() - - def set_gguf_parameters(self): - block_count = self.hparams["num_hidden_layers"] - head_count = self.hparams["num_attention_heads"] - head_count_kv = self.hparams.get("num_key_value_heads", head_count) - hf_repo = self.hparams.get("_name_or_path", "") - - ctx_length = 0 - if "max_sequence_length" in self.hparams: - ctx_length = self.hparams["max_sequence_length"] - elif "max_position_embeddings" in self.hparams: - ctx_length = self.hparams["max_position_embeddings"] - elif "model_max_length" in self.hparams: - ctx_length = self.hparams["model_max_length"] - else: - raise ValueError("gguf: can not find ctx length parameter.") - - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_source_hf_repo(hf_repo) - self.gguf_writer.add_tensor_data_layout("Meta AI original pth") - self.gguf_writer.add_context_length(ctx_length) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_rope_dimension_count(self.hparams["hidden_size"] // self.hparams["num_attention_heads"]) - self.gguf_writer.add_head_count(head_count) - self.gguf_writer.add_head_count_kv(head_count_kv) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["rms_norm_eps"]) - self.gguf_writer.add_file_type(self.ftype) - - if self.hparams.get("rope_scaling") is not None and "factor" in self.hparams["rope_scaling"]: - if self.hparams["rope_scaling"].get("type") == "linear": - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.LINEAR) - self.gguf_writer.add_rope_scaling_factor(self.hparams["rope_scaling"]["factor"]) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - head_count = self.hparams["num_attention_heads"] - head_count_kv = self.hparams.get("num_key_value_heads", head_count) - - tensors: list[tuple[str, Tensor]] = [] - - if bid is not None and name == f"model.layers.{bid}.self_attn.W_pack.weight": - logger.info(f"Unpacking and permuting layer {bid}") - tensors = [ - (self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_Q, bid), - self._reverse_hf_permute_part(data_torch, 0, head_count, head_count)), - (self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_K, bid), - self._reverse_hf_permute_part(data_torch, 1, head_count, head_count_kv)), - (self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_V, bid), - self._reverse_hf_part(data_torch, 2)), - ] - else: - tensors = [(self.map_tensor_name(name), data_torch)] - - return tensors - - def _reverse_hf_permute(self, weights: Tensor, n_head: int, n_kv_head: int | None = None) -> Tensor: - if n_kv_head is not None and n_head != n_kv_head: - n_head //= n_kv_head - - return ( - weights.reshape(n_head, 2, weights.shape[0] // n_head // 2, *weights.shape[1:]) - .swapaxes(1, 2) - .reshape(weights.shape) - ) - - def _reverse_hf_permute_part( - self, weights: Tensor, n_part: int, n_head: int, n_head_kv: int | None = None, - ) -> Tensor: - r = weights.shape[0] // 3 - return self._reverse_hf_permute(weights[r * n_part:r * n_part + r, ...], n_head, n_head_kv) - - def _reverse_hf_part(self, weights: Tensor, n_part: int) -> Tensor: - r = weights.shape[0] // 3 - return weights[r * n_part:r * n_part + r, ...] - - -@Model.register("XverseForCausalLM") -class XverseModel(Model): - model_arch = gguf.MODEL_ARCH.XVERSE - - def set_vocab(self): - assert (self.dir_model / "tokenizer.json").is_file() - dir_model = self.dir_model - hparams = self.hparams - - tokens: list[bytes] = [] - toktypes: list[int] = [] - - from transformers import AutoTokenizer - tokenizer = AutoTokenizer.from_pretrained(dir_model) - vocab_size = hparams.get("vocab_size", len(tokenizer.vocab)) - assert max(tokenizer.vocab.values()) < vocab_size - - reverse_vocab: dict[int, str] = {id_: encoded_tok for encoded_tok, id_ in tokenizer.vocab.items()} - added_vocab = tokenizer.get_added_vocab() - - for token_id in range(vocab_size): - token_text = reverse_vocab[token_id].encode('utf-8') - # replace "\x00" to string with length > 0 - if token_text == b"\x00": - toktype = gguf.TokenType.BYTE # special - token_text = f"<{token_text}>".encode('utf-8') - elif re.fullmatch(br"<0x[0-9A-Fa-f]{2}>", token_text): - toktype = gguf.TokenType.BYTE # special - elif reverse_vocab[token_id] in added_vocab: - if tokenizer.added_tokens_decoder[token_id].special: - toktype = gguf.TokenType.CONTROL - else: - toktype = gguf.TokenType.USER_DEFINED - else: - toktype = gguf.TokenType.NORMAL - - tokens.append(token_text) - toktypes.append(toktype) - - self.gguf_writer.add_tokenizer_model("llama") - self.gguf_writer.add_tokenizer_pre("default") - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(dir_model, n_vocab=len(tokens)) - special_vocab.add_to_gguf(self.gguf_writer) - - def set_gguf_parameters(self): - block_count = self.hparams["num_hidden_layers"] - head_count = self.hparams["num_attention_heads"] - head_count_kv = self.hparams.get("num_key_value_heads", head_count) - hf_repo = self.hparams.get("_name_or_path", "") - - ctx_length = 0 - if "max_sequence_length" in self.hparams: - ctx_length = self.hparams["max_sequence_length"] - elif "max_position_embeddings" in self.hparams: - ctx_length = self.hparams["max_position_embeddings"] - elif "model_max_length" in self.hparams: - ctx_length = self.hparams["model_max_length"] - else: - raise ValueError("gguf: can not find ctx length parameter.") - - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_source_hf_repo(hf_repo) - self.gguf_writer.add_tensor_data_layout("Meta AI original pth") - self.gguf_writer.add_context_length(ctx_length) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_rope_dimension_count(self.hparams["hidden_size"] // self.hparams["num_attention_heads"]) - self.gguf_writer.add_head_count(head_count) - self.gguf_writer.add_head_count_kv(head_count_kv) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["rms_norm_eps"]) - self.gguf_writer.add_file_type(self.ftype) - - if self.hparams.get("rope_scaling") is not None and "factor" in self.hparams["rope_scaling"]: - if self.hparams["rope_scaling"].get("type") == "linear": - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.LINEAR) - self.gguf_writer.add_rope_scaling_factor(self.hparams["rope_scaling"]["factor"]) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - head_count = self.hparams["num_attention_heads"] - head_count_kv = self.hparams.get("num_key_value_heads", head_count) - - # HF models permute some of the tensors, so we need to undo that - if name.endswith("q_proj.weight"): - data_torch = self._reverse_hf_permute(data_torch, head_count, head_count) - if name.endswith("k_proj.weight"): - data_torch = self._reverse_hf_permute(data_torch, head_count, head_count_kv) - - return [(self.map_tensor_name(name), data_torch)] - - def _reverse_hf_permute(self, weights: Tensor, n_head: int, n_kv_head: int | None = None) -> Tensor: - if n_kv_head is not None and n_head != n_kv_head: - n_head //= n_kv_head - - return ( - weights.reshape(n_head, 2, weights.shape[0] // n_head // 2, *weights.shape[1:]) - .swapaxes(1, 2) - .reshape(weights.shape) - ) - - -@Model.register("FalconForCausalLM", "RWForCausalLM") -class FalconModel(Model): - model_arch = gguf.MODEL_ARCH.FALCON - - def set_gguf_parameters(self): - block_count = self.hparams.get("num_hidden_layers") - if block_count is None: - block_count = self.hparams["n_layer"] # old name - - n_head = self.hparams.get("num_attention_heads") - if n_head is None: - n_head = self.hparams["n_head"] # old name - - n_head_kv = self.hparams.get("num_kv_heads") - if n_head_kv is None: - n_head_kv = self.hparams.get("n_head_kv", 1) # old name - - self.gguf_writer.add_name("Falcon") - self.gguf_writer.add_context_length(2048) # not in config.json - self.gguf_writer.add_tensor_data_layout("jploski") # qkv tensor transform - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_feed_forward_length(4 * self.hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(n_head) - self.gguf_writer.add_head_count_kv(n_head_kv) - self.gguf_writer.add_layer_norm_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - # QKV tensor transform - # The original query_key_value tensor contains n_head_kv "kv groups", - # each consisting of n_head/n_head_kv query weights followed by one key - # and one value weight (shared by all query heads in the kv group). - # This layout makes it a big pain to work with in GGML. - # So we rearrange them here,, so that we have n_head query weights - # followed by n_head_kv key weights followed by n_head_kv value weights, - # in contiguous fashion. - # ref: https://github.com/jploski/ggml/blob/falcon40b/examples/falcon/convert-hf-to-ggml.py - - if "query_key_value" in name: - n_head = self.find_hparam(["num_attention_heads", "n_head"]) - n_head_kv = self.find_hparam(["num_kv_heads", "n_head_kv"], optional=True) or 1 - head_dim = self.hparams["hidden_size"] // n_head - - qkv = data_torch.view(n_head_kv, n_head // n_head_kv + 2, head_dim, head_dim * n_head) - q = qkv[:, :-2].reshape(n_head * head_dim, head_dim * n_head) - k = qkv[:, [-2]].reshape(n_head_kv * head_dim, head_dim * n_head) - v = qkv[:, [-1]].reshape(n_head_kv * head_dim, head_dim * n_head) - data_torch = torch.cat((q, k, v)).reshape_as(data_torch) - - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("GPTBigCodeForCausalLM") -class StarCoderModel(Model): - model_arch = gguf.MODEL_ARCH.STARCODER - - def set_gguf_parameters(self): - block_count = self.hparams["n_layer"] - - self.gguf_writer.add_name("StarCoder") - self.gguf_writer.add_context_length(self.hparams["n_positions"]) - self.gguf_writer.add_embedding_length(self.hparams["n_embd"]) - self.gguf_writer.add_feed_forward_length(4 * self.hparams["n_embd"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(self.hparams["n_head"]) - self.gguf_writer.add_head_count_kv(1) - self.gguf_writer.add_layer_norm_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - - -@Model.register("GPTRefactForCausalLM") -class RefactModel(Model): - model_arch = gguf.MODEL_ARCH.REFACT - - def set_vocab(self): - super().set_vocab() - - # TODO: how to determine special FIM tokens automatically? - special_vocab = gguf.SpecialVocab(self.dir_model, load_merges=False, - special_token_types = ['prefix', 'suffix', 'middle', 'fsep', 'eot']) - special_vocab._set_special_token("prefix", 1) - special_vocab._set_special_token("suffix", 3) - special_vocab._set_special_token("middle", 2) - special_vocab._set_special_token("fsep", 4) # is this correct? - special_vocab.add_to_gguf(self.gguf_writer) - - def set_gguf_parameters(self): - hidden_dim = self.hparams["n_embd"] - inner_dim = 4 * hidden_dim - hidden_dim = int(2 * inner_dim / 3) - multiple_of = 256 - ff_dim = multiple_of * ((hidden_dim + multiple_of - 1) // multiple_of) - - block_count = self.hparams["n_layer"] - - self.gguf_writer.add_name("Refact") - # refact uses Alibi. So this is from config.json which might be used by training. - self.gguf_writer.add_context_length(self.hparams["n_positions"]) - self.gguf_writer.add_embedding_length(self.hparams["n_embd"]) - - self.gguf_writer.add_feed_forward_length(ff_dim) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(self.hparams["n_head"]) - self.gguf_writer.add_head_count_kv(1) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - hidden_dim = self.hparams["n_embd"] - inner_dim = 4 * hidden_dim - hidden_dim = int(2 * inner_dim / 3) - multiple_of = 256 - ff_dim = multiple_of * ((hidden_dim + multiple_of - 1) // multiple_of) - n_head = self.hparams["n_head"] - n_head_kv = 1 - head_dim = self.hparams["n_embd"] // n_head - - tensors: list[tuple[str, Tensor]] = [] - - if bid is not None: - if name == f"transformer.h.{bid}.attn.kv.weight": - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_K, bid), data_torch[:n_head_kv * head_dim])) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_V, bid), data_torch[n_head_kv * head_dim:])) - elif name == f"transformer.h.{bid}.attn.q.weight": - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_Q, bid), data_torch)) - elif name == f"transformer.h.{bid}.mlp.gate_up_proj.weight": - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_GATE, bid), data_torch[:ff_dim])) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_UP, bid), data_torch[ff_dim:])) - - if len(tensors) == 0: - tensors.append((self.map_tensor_name(name), data_torch)) - - return tensors - - -@Model.register("StableLmForCausalLM", "StableLMEpochForCausalLM", "LlavaStableLMEpochForCausalLM") -class StableLMModel(Model): - model_arch = gguf.MODEL_ARCH.STABLELM - - def set_vocab(self): - if (self.dir_model / "tokenizer.json").is_file(): - self._set_vocab_gpt2() - else: - # StableLM 2 1.6B uses a vocab in a similar format to Qwen's vocab - self._set_vocab_qwen() - - def set_gguf_parameters(self): - hparams = self.hparams - block_count = hparams["num_hidden_layers"] - - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_context_length(hparams["max_position_embeddings"]) - self.gguf_writer.add_embedding_length(hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(hparams["intermediate_size"]) - rotary_factor = self.find_hparam(["partial_rotary_factor", "rope_pct"]) - self.gguf_writer.add_rope_dimension_count(int(rotary_factor * (hparams["hidden_size"] // hparams["num_attention_heads"]))) - self.gguf_writer.add_head_count(hparams["num_attention_heads"]) - self.gguf_writer.add_head_count_kv(hparams["num_key_value_heads"]) - self.gguf_writer.add_parallel_residual(hparams["use_parallel_residual"] if "use_parallel_residual" in hparams else True) - self.gguf_writer.add_layer_norm_eps(self.find_hparam(["layer_norm_eps", "norm_eps"])) - self.gguf_writer.add_file_type(self.ftype) - - _q_norms: list[dict[str, Tensor]] | None = None - _k_norms: list[dict[str, Tensor]] | None = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - n_head = self.hparams["num_attention_heads"] - n_kv_head = self.hparams["num_key_value_heads"] - - if name.find("q_layernorm.norms") != -1: - assert bid is not None - - if self._q_norms is None: - self._q_norms = [{} for _ in range(self.block_count)] - - self._q_norms[bid][name] = data_torch - - if len(self._q_norms[bid]) >= n_head: - return self._stack_qk_norm(bid, n_head, self._q_norms[bid], "q_layernorm") - else: - return [] - - if name.find("k_layernorm.norms") != -1: - assert bid is not None - - if self._k_norms is None: - self._k_norms = [{} for _ in range(self.block_count)] - - self._k_norms[bid][name] = data_torch - - if len(self._k_norms[bid]) >= n_kv_head: - return self._stack_qk_norm(bid, n_kv_head, self._k_norms[bid], "k_layernorm") - else: - return [] - - return [(self.map_tensor_name(name), data_torch)] - - def _stack_qk_norm(self, bid: int, n_head: int, norms: dict[str, Tensor], layer_name: str = "q_layernorm"): - datas: list[Tensor] = [] - # extract the norms in order - for xid in range(n_head): - ename = f"model.layers.{bid}.self_attn.{layer_name}.norms.{xid}.weight" - datas.append(norms[ename]) - del norms[ename] - data_torch = torch.stack(datas, dim=0) - - merged_name = f"model.layers.{bid}.self_attn.{layer_name}.weight" - new_name = self.map_tensor_name(merged_name) - - return [(new_name, data_torch)] - - def write_tensors(self): - super().write_tensors() - - if self._q_norms is not None or self._k_norms is not None: - # flatten two `list[dict[str, Tensor]]` into a single `list[str]` - norms = ( - [k for d in self._q_norms for k in d.keys()] if self._q_norms is not None else [] - ) + ( - [k for d in self._k_norms for k in d.keys()] if self._k_norms is not None else [] - ) - if len(norms) > 0: - raise ValueError(f"Unprocessed norms: {norms}") - - -@Model.register("LlamaForCausalLM", "MistralForCausalLM", "MixtralForCausalLM") -class LlamaModel(Model): - model_arch = gguf.MODEL_ARCH.LLAMA - - def set_vocab(self): - try: - self. _set_vocab_sentencepiece() - except FileNotFoundError: - try: - self._set_vocab_llama_hf() - except (FileNotFoundError, TypeError): - # Llama 3 - self._set_vocab_gpt2() - - # Apply to CodeLlama only (and ignore for Llama 3 with a vocab size of 128256) - if self.hparams.get("vocab_size", 32000) == 32016: - special_vocab = gguf.SpecialVocab( - self.dir_model, load_merges=False, - special_token_types = ['prefix', 'suffix', 'middle', 'eot'] - ) - special_vocab._set_special_token("prefix", 32007) - special_vocab._set_special_token("suffix", 32008) - special_vocab._set_special_token("middle", 32009) - special_vocab._set_special_token("eot", 32010) - special_vocab.add_to_gguf(self.gguf_writer) - - def set_gguf_parameters(self): - super().set_gguf_parameters() - hparams = self.hparams - self.gguf_writer.add_vocab_size(hparams["vocab_size"]) - self.gguf_writer.add_rope_dimension_count(hparams["hidden_size"] // hparams["num_attention_heads"]) - - if self.hparams.get("rope_scaling") is not None and "factor" in self.hparams["rope_scaling"]: - if self.hparams["rope_scaling"].get("type") == "linear": - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.LINEAR) - self.gguf_writer.add_rope_scaling_factor(self.hparams["rope_scaling"]["factor"]) - - tokenizer_config_file = self.dir_model / 'tokenizer_config.json' - if tokenizer_config_file.is_file(): - with open(tokenizer_config_file, "r", encoding="utf-8") as f: - tokenizer_config_json = json.load(f) - if "add_prefix_space" in tokenizer_config_json: - self.gguf_writer.add_add_space_prefix(tokenizer_config_json["add_prefix_space"]) - - # Apply to granite small models only - if self.hparams.get("vocab_size", 32000) == 49152: - self.gguf_writer.add_add_bos_token(False) - - @staticmethod - def permute(weights: Tensor, n_head: int, n_head_kv: int | None): - if n_head_kv is not None and n_head != n_head_kv: - n_head = n_head_kv - return (weights.reshape(n_head, 2, weights.shape[0] // n_head // 2, *weights.shape[1:]) - .swapaxes(1, 2) - .reshape(weights.shape)) - - _experts: list[dict[str, Tensor]] | None = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - n_head = self.hparams["num_attention_heads"] - n_kv_head = self.hparams.get("num_key_value_heads") - - if name.endswith(("q_proj.weight", "q_proj.bias")): - data_torch = LlamaModel.permute(data_torch, n_head, n_head) - if name.endswith(("k_proj.weight", "k_proj.bias")): - data_torch = LlamaModel.permute(data_torch, n_head, n_kv_head) - - # process the experts separately - if name.find("block_sparse_moe.experts") != -1: - n_experts = self.hparams["num_local_experts"] - - assert bid is not None - - if self._experts is None: - self._experts = [{} for _ in range(self.block_count)] - - self._experts[bid][name] = data_torch - - if len(self._experts[bid]) >= n_experts * 3: - tensors: list[tuple[str, Tensor]] = [] - - # merge the experts into a single 3d tensor - for wid in ["w1", "w2", "w3"]: - datas: list[Tensor] = [] - - for xid in range(n_experts): - ename = f"model.layers.{bid}.block_sparse_moe.experts.{xid}.{wid}.weight" - datas.append(self._experts[bid][ename]) - del self._experts[bid][ename] - - data_torch = torch.stack(datas, dim=0) - - merged_name = f"layers.{bid}.feed_forward.experts.{wid}.weight" - - new_name = self.map_tensor_name(merged_name) - - tensors.append((new_name, data_torch)) - return tensors - else: - return [] - - return [(self.map_tensor_name(name), data_torch)] - - def write_tensors(self): - super().write_tensors() - - if self._experts is not None: - # flatten `list[dict[str, Tensor]]` into `list[str]` - experts = [k for d in self._experts for k in d.keys()] - if len(experts) > 0: - raise ValueError(f"Unprocessed experts: {experts}") - - -@Model.register("BitnetForCausalLM") -class BitnetModel(Model): - model_arch = gguf.MODEL_ARCH.BITNET - - def set_vocab(self): - self._set_vocab_sentencepiece() - - def set_gguf_parameters(self): - super().set_gguf_parameters() - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.LINEAR) - self.gguf_writer.add_rope_scaling_factor(1.0) - - def weight_quant(self, weight): - dtype = weight.dtype - weight = weight.float() - s = 1 / weight.abs().mean().clamp(min=1e-5) - weight = (weight * s).round().clamp(-1, 1) / s - scale = weight.abs().max().unsqueeze(0) - weight = torch.where(weight.abs().less(1e-6), 0, weight).type(dtype) - weight = torch.sign(weight).type(dtype) - return weight.type(dtype), scale.type(torch.float32) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - # transform weight into 1/0/-1 (in fp32) - if name.endswith(("q_proj.weight", "k_proj.weight", "v_proj.weight", - "down_proj.weight", "up_proj.weight", "gate_proj.weight", - "o_proj.weight")): - weight_torch, scale_torch = self.weight_quant(data_torch) - - tensors: list[tuple[str, Tensor]] = [] - - if name.endswith("q_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_Q, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_Q, bid, suffix=".scale"), scale_torch)) - elif name.endswith("k_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_K, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_K, bid, suffix=".scale"), scale_torch)) - elif name.endswith("v_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_V, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_V, bid, suffix=".scale"), scale_torch)) - elif name.endswith("o_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_OUT, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_OUT, bid, suffix=".scale"), scale_torch)) - elif name.endswith("up_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_UP, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_UP, bid, suffix=".scale"), scale_torch)) - elif name.endswith("down_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_DOWN, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_DOWN, bid, suffix=".scale"), scale_torch)) - elif name.endswith("gate_proj.weight"): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_GATE, bid), weight_torch)) - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.FFN_GATE, bid, suffix=".scale"), scale_torch)) - - if len(tensors) == 0: - tensors.append((self.map_tensor_name(name), data_torch)) - - return tensors - - -@Model.register("GrokForCausalLM") -class GrokModel(Model): - model_arch = gguf.MODEL_ARCH.GROK - - def set_vocab(self): - self._set_vocab_sentencepiece() - - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - - def set_gguf_parameters(self): - super().set_gguf_parameters() - self.gguf_writer.add_name("Grok") - - _experts: list[dict[str, Tensor]] | None = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - # process the experts separately - if name.find(".moe.") != -1: - n_experts = self.hparams["num_local_experts"] - - assert bid is not None - - if self._experts is None: - self._experts = [{} for _ in range(self.block_count)] - - self._experts[bid][name] = data_torch - - if len(self._experts[bid]) >= n_experts * 3: - tensors: list[tuple[str, Tensor]] = [] - - # merge the experts into a single 3d tensor - for wid in ["linear", "linear_1", "linear_v"]: - datas: list[Tensor] = [] - - for xid in range(n_experts): - ename = f"transformer.decoder_layer.{bid}.moe.{xid}.{wid}.weight" - datas.append(self._experts[bid][ename]) - del self._experts[bid][ename] - - data_torch = torch.stack(datas, dim=0) - - merged_name = f"transformer.decoder_layer.{bid}.moe.{wid}.weight" - - new_name = self.map_tensor_name(merged_name) - - tensors.append((new_name, data_torch)) - return tensors - else: - return [] - - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("DbrxForCausalLM") -class DbrxModel(Model): - model_arch = gguf.MODEL_ARCH.DBRX - - def set_gguf_parameters(self): - ffn_config = self.hparams["ffn_config"] - attn_config = self.hparams["attn_config"] - self.gguf_writer.add_name(self.hparams["model_type"]) - self.gguf_writer.add_block_count(self.hparams["n_layers"]) - - self.gguf_writer.add_context_length(self.hparams["max_seq_len"]) - self.gguf_writer.add_embedding_length(self.hparams["d_model"]) - self.gguf_writer.add_feed_forward_length(ffn_config["ffn_hidden_size"]) - - self.gguf_writer.add_head_count(self.hparams["n_heads"]) - self.gguf_writer.add_head_count_kv(attn_config["kv_n_heads"]) - - self.gguf_writer.add_rope_freq_base(attn_config["rope_theta"]) - - self.gguf_writer.add_clamp_kqv(attn_config["clip_qkv"]) - self.gguf_writer.add_file_type(self.ftype) - - self.gguf_writer.add_expert_count(ffn_config["moe_num_experts"]) - self.gguf_writer.add_expert_used_count(ffn_config["moe_top_k"]) - - self.gguf_writer.add_layer_norm_eps(1e-5) - - self.gguf_writer.add_file_type(self.ftype) - logger.info(f"gguf: file type = {self.ftype}") - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - n_expert = self.hparams["ffn_config"]["moe_num_experts"] - n_ff = self.hparams["ffn_config"]["ffn_hidden_size"] - n_embd = self.hparams["d_model"] - - # Specific behavior for experts tensors: suffix .weight, view as 3D and transpose - # original implementation expects (n_expert, n_ff, n_embd) for all experts weights - # But llama.cpp moe graph works differently - # AND the dimensions in ggml are typically in the reverse order of the pytorch dimensions - # so (n_expert, n_ff, n_embd) in pytorch is {n_embd, n_ff, n_expert} in ggml_tensor - exp_tensor_names = {"ffn.experts.mlp.w1": None, # LLM_TENSOR_FFN_GATE_EXPS ggml_tensor->ne{n_embd, n_ff, n_expert} - "ffn.experts.mlp.w2": (0, 2, 1), # LLM_TENSOR_FFN_DOWN_EXPS ggml_tensor->ne{n_ff, n_embd, n_expert} - "ffn.experts.mlp.v1": None} # LLM_TENSOR_FFN_UP_EXPS ggml_tensor->ne{n_embd, n_ff, n_expert} - experts = False - - for exp_tensor_name in exp_tensor_names.keys(): - if name.find(exp_tensor_name) != -1 and name.find(".weight") == -1: - experts = True - data_torch = data_torch.view(n_expert, n_ff, n_embd) - if (permute_tensor := exp_tensor_names[exp_tensor_name]) is not None: - data_torch = data_torch.permute(*permute_tensor) - break - - # map tensor names - # In MoE models the ffn tensors are typically most of the model weights, - # and need to be quantizable. Quantize expects tensor names to be suffixed by .weight. - # Every other model has the weight names ending in .weight, - # let's assume that is the convention which is not the case for dbrx: - # https://huggingface.co/databricks/dbrx-instruct/blob/main/model.safetensors.index.json#L15 - new_name = self.map_tensor_name(name if not experts else name + ".weight", try_suffixes=(".weight",)) - - return [(new_name, data_torch)] - - def extra_f16_tensors(self, name: str, new_name: str, bid: int | None, n_dims: int) -> bool: - del name, new_name, bid # unused - - return n_dims > 1 - - -@Model.register("MiniCPMForCausalLM") -class MiniCPMModel(Model): - model_arch = gguf.MODEL_ARCH.MINICPM - - def set_gguf_parameters(self): - block_count = self.hparams["num_hidden_layers"] - self.gguf_writer.add_name("MiniCPM") - self.gguf_writer.add_context_length(self.hparams["max_position_embeddings"]) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_rope_dimension_count(self.hparams["hidden_size"] // self.hparams["num_attention_heads"]) - self.gguf_writer.add_head_count(self.hparams["num_attention_heads"]) - self.gguf_writer.add_head_count_kv(self.hparams["num_key_value_heads"]) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["rms_norm_eps"]) - self.gguf_writer.add_file_type(self.ftype) - - def set_vocab(self): - self._set_vocab_llama_hf() - - def _reverse_hf_permute(self, weights: Tensor, n_head: int, n_kv_head: int | None = None) -> Tensor: - if n_kv_head is not None and n_head != n_kv_head: - n_head //= n_kv_head - - return ( - weights.reshape(n_head, 2, weights.shape[0] // n_head // 2, *weights.shape[1:]) - .swapaxes(1, 2) - .reshape(weights.shape) - ) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - n_head = self.hparams["num_attention_heads"] - n_kv_head = self.hparams.get("num_key_value_heads") - - # HF models permute some of the tensors, so we need to undo that - if name.endswith(("q_proj.weight")): - data_torch = self._reverse_hf_permute(data_torch, n_head, n_head) - if name.endswith(("k_proj.weight")): - data_torch = self._reverse_hf_permute(data_torch, n_head, n_kv_head) - - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("QWenLMHeadModel") -class QwenModel(Model): - model_arch = gguf.MODEL_ARCH.QWEN - - @staticmethod - def token_bytes_to_string(b): - from transformers.models.gpt2.tokenization_gpt2 import bytes_to_unicode - byte_encoder = bytes_to_unicode() - return ''.join([byte_encoder[ord(char)] for char in b.decode('latin-1')]) - - @staticmethod - def bpe(mergeable_ranks: dict[bytes, int], token: bytes, max_rank: int | None = None) -> list[bytes]: - parts = [bytes([b]) for b in token] - while True: - min_idx = None - min_rank = None - for i, pair in enumerate(zip(parts[:-1], parts[1:])): - rank = mergeable_ranks.get(pair[0] + pair[1]) - if rank is not None and (min_rank is None or rank < min_rank): - min_idx = i - min_rank = rank - if min_rank is None or (max_rank is not None and min_rank >= max_rank): - break - assert min_idx is not None - parts = parts[:min_idx] + [parts[min_idx] + parts[min_idx + 1]] + parts[min_idx + 2:] - return parts - - def set_vocab(self): - self._set_vocab_qwen() - - def set_gguf_parameters(self): - self.gguf_writer.add_name("Qwen") - self.gguf_writer.add_context_length(self.hparams["max_position_embeddings"]) - self.gguf_writer.add_block_count(self.hparams["num_hidden_layers"]) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_rope_freq_base(self.hparams["rotary_emb_base"]) - self.gguf_writer.add_rope_dimension_count(self.hparams["hidden_size"] // self.hparams["num_attention_heads"]) - self.gguf_writer.add_head_count(self.hparams["num_attention_heads"]) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - - -@Model.register("Qwen2ForCausalLM") -class Qwen2Model(Model): - model_arch = gguf.MODEL_ARCH.QWEN2 - - def set_vocab(self): - try: - self._set_vocab_sentencepiece() - except FileNotFoundError: - self._set_vocab_gpt2() - - -@Model.register("Qwen2MoeForCausalLM") -class Qwen2MoeModel(Model): - model_arch = gguf.MODEL_ARCH.QWEN2MOE - - def set_gguf_parameters(self): - super().set_gguf_parameters() - if (n_experts := self.hparams.get("num_experts")) is not None: - self.gguf_writer.add_expert_count(n_experts) - if (moe_intermediate_size := self.hparams.get("moe_intermediate_size")) is not None: - self.gguf_writer.add_expert_feed_forward_length(moe_intermediate_size) - logger.info(f"gguf: expert feed forward length = {moe_intermediate_size}") - if (shared_expert_intermediate_size := self.hparams.get('shared_expert_intermediate_size')) is not None: - self.gguf_writer.add_expert_shared_feed_forward_length(shared_expert_intermediate_size) - logger.info(f"gguf: expert shared feed forward length = {shared_expert_intermediate_size}") - - _experts: list[dict[str, Tensor]] | None = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - # process the experts separately - if name.find("experts") != -1: - n_experts = self.hparams["num_experts"] - assert bid is not None - - if self._experts is None: - self._experts = [{} for _ in range(self.block_count)] - - self._experts[bid][name] = data_torch - - if len(self._experts[bid]) >= n_experts * 3: - tensors: list[tuple[str, Tensor]] = [] - - # merge the experts into a single 3d tensor - for w_name in ["down_proj", "gate_proj", "up_proj"]: - datas: list[Tensor] = [] - - for xid in range(n_experts): - ename = f"model.layers.{bid}.mlp.experts.{xid}.{w_name}.weight" - datas.append(self._experts[bid][ename]) - del self._experts[bid][ename] - - data_torch = torch.stack(datas, dim=0) - - merged_name = f"model.layers.{bid}.mlp.experts.{w_name}.weight" - - new_name = self.map_tensor_name(merged_name) - - tensors.append((new_name, data_torch)) - return tensors - else: - return [] - - return [(self.map_tensor_name(name), data_torch)] - - def write_tensors(self): - super().write_tensors() - - if self._experts is not None: - # flatten `list[dict[str, Tensor]]` into `list[str]` - experts = [k for d in self._experts for k in d.keys()] - if len(experts) > 0: - raise ValueError(f"Unprocessed experts: {experts}") - - -@Model.register("GPT2LMHeadModel") -class GPT2Model(Model): - model_arch = gguf.MODEL_ARCH.GPT2 - - def set_gguf_parameters(self): - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_block_count(self.hparams["n_layer"]) - self.gguf_writer.add_context_length(self.hparams["n_ctx"]) - self.gguf_writer.add_embedding_length(self.hparams["n_embd"]) - self.gguf_writer.add_feed_forward_length(4 * self.hparams["n_embd"]) - self.gguf_writer.add_head_count(self.hparams["n_head"]) - self.gguf_writer.add_layer_norm_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - tensors: list[tuple[str, Tensor]] = [] - - # we don't need these - if name.endswith((".attn.bias", ".attn.masked_bias")): - return tensors - - if name.endswith((".c_attn.weight", ".c_proj.weight", ".c_fc.weight", ".c_proj.weight")): - data_torch = data_torch.transpose(1, 0) - - new_name = self.map_tensor_name(name) - - tensors.append((new_name, data_torch)) - - # note: GPT2 output is tied to (same as) wte in original model - if new_name == self.format_tensor_name(gguf.MODEL_TENSOR.TOKEN_EMBD): - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.OUTPUT), data_torch)) - - return tensors - - -@Model.register("PhiForCausalLM") -class Phi2Model(Model): - model_arch = gguf.MODEL_ARCH.PHI2 - - def set_gguf_parameters(self): - block_count = self.find_hparam(["num_hidden_layers", "n_layer"]) - - rot_pct = self.find_hparam(["partial_rotary_factor"]) - n_embd = self.find_hparam(["hidden_size", "n_embd"]) - n_head = self.find_hparam(["num_attention_heads", "n_head"]) - - self.gguf_writer.add_name("Phi2") - self.gguf_writer.add_context_length(self.find_hparam(["n_positions", "max_position_embeddings"])) - - self.gguf_writer.add_embedding_length(n_embd) - self.gguf_writer.add_feed_forward_length(4 * n_embd) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(n_head) - self.gguf_writer.add_head_count_kv(n_head) - self.gguf_writer.add_layer_norm_eps(self.find_hparam(["layer_norm_epsilon", "layer_norm_eps"])) - self.gguf_writer.add_rope_dimension_count(int(rot_pct * n_embd) // n_head) - self.gguf_writer.add_file_type(self.ftype) - self.gguf_writer.add_add_bos_token(False) - - -@Model.register("Phi3ForCausalLM") -class Phi3MiniModel(Model): - model_arch = gguf.MODEL_ARCH.PHI3 - - def set_vocab(self): - from sentencepiece import SentencePieceProcessor - - tokenizer_path = self.dir_model / 'tokenizer.model' - - if not tokenizer_path.is_file(): - raise ValueError(f'Error: Missing {tokenizer_path}') - - tokenizer = SentencePieceProcessor() - tokenizer.LoadFromFile(str(tokenizer_path)) - - vocab_size = self.hparams.get('vocab_size', tokenizer.vocab_size()) - - tokens: list[bytes] = [f"[PAD{i}]".encode("utf-8") for i in range(vocab_size)] - scores: list[float] = [-10000.0] * vocab_size - toktypes: list[int] = [SentencePieceTokenTypes.UNKNOWN] * vocab_size - - for token_id in range(tokenizer.vocab_size()): - - piece = tokenizer.IdToPiece(token_id) - text = piece.encode("utf-8") - score = tokenizer.GetScore(token_id) - - toktype = SentencePieceTokenTypes.NORMAL - if tokenizer.IsUnknown(token_id): - toktype = SentencePieceTokenTypes.UNKNOWN - elif tokenizer.IsControl(token_id): - toktype = SentencePieceTokenTypes.CONTROL - elif tokenizer.IsUnused(token_id): - toktype = SentencePieceTokenTypes.UNUSED - elif tokenizer.IsByte(token_id): - toktype = SentencePieceTokenTypes.BYTE - - tokens[token_id] = text - scores[token_id] = score - toktypes[token_id] = toktype - - added_tokens_file = self.dir_model / 'added_tokens.json' - if added_tokens_file.is_file(): - with open(added_tokens_file, "r", encoding="utf-8") as f: - added_tokens_json = json.load(f) - - for key in added_tokens_json: - token_id = added_tokens_json[key] - if (token_id >= vocab_size): - logger.debug(f'ignore token {token_id}: id is out of range, max={vocab_size - 1}') - continue - - tokens[token_id] = key.encode("utf-8") - scores[token_id] = -1000.0 - toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED - - tokenizer_config_file = self.dir_model / 'tokenizer_config.json' - if tokenizer_config_file.is_file(): - with open(tokenizer_config_file, "r", encoding="utf-8") as f: - tokenizer_config_json = json.load(f) - added_tokens_decoder = tokenizer_config_json.get("added_tokens_decoder", {}) - for token_id, foken_data in added_tokens_decoder.items(): - token_id = int(token_id) - token = foken_data["content"].encode("utf-8") - if toktypes[token_id] != SentencePieceTokenTypes.UNKNOWN: - assert tokens[token_id] == token - tokens[token_id] = token - scores[token_id] = -1000.0 - toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED - if foken_data.get("special"): - toktypes[token_id] = SentencePieceTokenTypes.CONTROL - - tokenizer_file = self.dir_model / 'tokenizer.json' - if tokenizer_file.is_file(): - with open(tokenizer_file, "r", encoding="utf-8") as f: - tokenizer_json = json.load(f) - added_tokens = tokenizer_json.get("added_tokens", []) - for foken_data in added_tokens: - token_id = int(foken_data["id"]) - token = foken_data["content"].encode("utf-8") - if toktypes[token_id] != SentencePieceTokenTypes.UNKNOWN: - assert tokens[token_id] == token - tokens[token_id] = token - scores[token_id] = -1000.0 - toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED - if foken_data.get("special"): - toktypes[token_id] = SentencePieceTokenTypes.CONTROL - - self.gguf_writer.add_tokenizer_model("llama") - self.gguf_writer.add_tokenizer_pre("default") - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_scores(scores) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(self.dir_model, n_vocab=len(tokens)) - special_vocab.add_to_gguf(self.gguf_writer) - - def set_gguf_parameters(self): - block_count = self.find_hparam(["num_hidden_layers", "n_layer"]) - - n_embd = self.find_hparam(["hidden_size", "n_embd"]) - n_head = self.find_hparam(["num_attention_heads", "n_head"]) - n_head_kv = self.find_hparam(["num_key_value_heads", "n_head_kv"]) - rms_eps = self.find_hparam(["rms_norm_eps"]) - max_pos_embds = self.find_hparam(["n_positions", "max_position_embeddings"]) - orig_max_pos_embds = self.find_hparam(["original_max_position_embeddings"]) - rope_dims = n_embd // n_head - - self.gguf_writer.add_name("Phi3") - self.gguf_writer.add_context_length(max_pos_embds) - self.gguf_writer.add_rope_scaling_orig_ctx_len(orig_max_pos_embds) - self.gguf_writer.add_embedding_length(n_embd) - self.gguf_writer.add_feed_forward_length(self.find_hparam(["intermediate_size"])) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(n_head) - self.gguf_writer.add_head_count_kv(n_head_kv) - self.gguf_writer.add_layer_norm_rms_eps(rms_eps) - self.gguf_writer.add_rope_dimension_count(rope_dims) - self.gguf_writer.add_rope_freq_base(self.find_hparam(["rope_theta"])) - self.gguf_writer.add_file_type(self.ftype) - - # write rope scaling for long context (128k) model - rope_scaling = self.find_hparam(['rope_scaling'], True) - if (rope_scaling is None): - return - - scale = max_pos_embds / orig_max_pos_embds - - rope_scaling_type = rope_scaling.get('type', '').lower() - if len(rope_scaling_type) == 0: - raise KeyError('Missing the required key rope_scaling.type') - - if rope_scaling_type == 'su': - attn_factor = math.sqrt(1 + math.log(scale) / math.log(orig_max_pos_embds)) if scale > 1.0 else 1.0 - elif rope_scaling_type == 'yarn': - attn_factor = 0.1 * math.log(scale) + 1.0 if scale > 1.0 else 1.0 - else: - raise NotImplementedError(f'The rope scaling type {rope_scaling_type} is not supported yet') - - self.gguf_writer.add_rope_scaling_attn_factors(attn_factor) - - long_factors = rope_scaling.get('long_factor', None) - short_factors = rope_scaling.get('short_factor', None) - - if long_factors is None or short_factors is None: - raise KeyError('Missing the required key rope_scaling.long_factor or rope_scaling_short_factor') - - if len(long_factors) != len(short_factors) or len(long_factors) != rope_dims / 2: - raise ValueError(f'The length of rope long and short factors must be {rope_dims / 2}') - - self.gguf_writer.add_tensor(gguf.TENSOR_NAMES[gguf.MODEL_TENSOR.ROPE_FACTORS_LONG] + ".weight", np.array(long_factors, dtype=np.float32)) - self.gguf_writer.add_tensor(gguf.TENSOR_NAMES[gguf.MODEL_TENSOR.ROPE_FACTORS_SHORT] + ".weight", np.array(short_factors, dtype=np.float32)) - - -@Model.register("PlamoForCausalLM") -class PlamoModel(Model): - model_arch = gguf.MODEL_ARCH.PLAMO - - def set_vocab(self): - self._set_vocab_sentencepiece() - - def set_gguf_parameters(self): - hparams = self.hparams - block_count = hparams["num_hidden_layers"] - - self.gguf_writer.add_name("PLaMo") - self.gguf_writer.add_context_length(4096) # not in config.json - self.gguf_writer.add_embedding_length(hparams["hidden_size"]) - self.gguf_writer.add_feed_forward_length(hparams["intermediate_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(hparams["num_attention_heads"]) - self.gguf_writer.add_head_count_kv(5) # hparams["num_key_value_heads"]) is wrong - self.gguf_writer.add_layer_norm_rms_eps(hparams["rms_norm_eps"]) - self.gguf_writer.add_file_type(self.ftype) - - def shuffle_attn_q_weight(self, data_torch): - assert data_torch.size() == (5120, 5120) - data_torch = data_torch.reshape(8, 5, 128, 5120) - data_torch = torch.permute(data_torch, (1, 0, 2, 3)) - data_torch = torch.reshape(data_torch, (5120, 5120)) - return data_torch - - def shuffle_attn_output_weight(self, data_torch): - assert data_torch.size() == (5120, 5120) - data_torch = data_torch.reshape(5120, 8, 5, 128) - data_torch = torch.permute(data_torch, (0, 2, 1, 3)) - data_torch = torch.reshape(data_torch, (5120, 5120)) - return data_torch - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - new_name = self.map_tensor_name(name) - - # shuffle for broadcasting of gqa in ggml_mul_mat - if new_name.endswith("attn_q.weight"): - data_torch = self.shuffle_attn_q_weight(data_torch) - elif new_name.endswith("attn_output.weight"): - data_torch = self.shuffle_attn_output_weight(data_torch) - - return [(new_name, data_torch)] - - -@Model.register("CodeShellForCausalLM") -class CodeShellModel(Model): - model_arch = gguf.MODEL_ARCH.CODESHELL - - def set_gguf_parameters(self): - block_count = self.hparams["n_layer"] - - self.gguf_writer.add_name("CodeShell") - self.gguf_writer.add_context_length(self.hparams["n_positions"]) - self.gguf_writer.add_embedding_length(self.hparams["n_embd"]) - self.gguf_writer.add_feed_forward_length(4 * self.hparams["n_embd"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_head_count(self.hparams["n_head"]) - self.gguf_writer.add_head_count_kv(self.hparams["num_query_groups"]) - self.gguf_writer.add_layer_norm_eps(self.hparams["layer_norm_epsilon"]) - self.gguf_writer.add_file_type(self.ftype) - self.gguf_writer.add_rope_freq_base(10000.0) - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.LINEAR) - self.gguf_writer.add_rope_scaling_factor(1.0) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - new_name = self.map_tensor_name(name) - - tensors: list[tuple[str, Tensor]] = [(new_name, data_torch)] - - if new_name == self.format_tensor_name(gguf.MODEL_TENSOR.TOKEN_EMBD): - assert self.tensor_names is not None - - if all(s not in self.tensor_names for s in ("lm_head.weight", "output.weight")): - # copy tok_embd.weight to output.weight - tensors.append((self.format_tensor_name(gguf.MODEL_TENSOR.OUTPUT), data_torch)) - - return tensors - - -@Model.register("InternLM2ForCausalLM") -class InternLM2Model(Model): - model_arch = gguf.MODEL_ARCH.INTERNLM2 - - def set_vocab(self): - # (TODO): Is there a better way? - # Copy from _set_vocab_sentencepiece, The only difference is that we will treat the character - # \x00 specially and convert it into an emoji character to prevent it from being mistakenly - # recognized as an empty string in C++. - from sentencepiece import SentencePieceProcessor - from sentencepiece import sentencepiece_model_pb2 as model - - tokenizer_path = self.dir_model / 'tokenizer.model' - - tokens: list[bytes] = [] - scores: list[float] = [] - toktypes: list[int] = [] - - if not tokenizer_path.is_file(): - logger.error(f'Error: Missing {tokenizer_path}') - sys.exit(1) - - sentencepiece_model = model.ModelProto() - sentencepiece_model.ParseFromString(open(tokenizer_path, "rb").read()) - add_prefix = sentencepiece_model.normalizer_spec.add_dummy_prefix - - tokenizer = SentencePieceProcessor() - tokenizer.LoadFromFile(str(tokenizer_path)) - - vocab_size = self.hparams.get('vocab_size', tokenizer.vocab_size()) - - for token_id in range(vocab_size): - piece = tokenizer.IdToPiece(token_id) - text = piece.encode("utf-8") - score = tokenizer.GetScore(token_id) - if text == b"\x00": - # (TODO): fixme - # Hack here and replace the \x00 characters. - logger.warning(f"InternLM2 convert token '{text}' to '🐉'!") - text = "🐉".encode("utf-8") - - toktype = SentencePieceTokenTypes.NORMAL - if tokenizer.IsUnknown(token_id): - toktype = SentencePieceTokenTypes.UNKNOWN - elif tokenizer.IsControl(token_id): - toktype = SentencePieceTokenTypes.CONTROL - elif tokenizer.IsUnused(token_id): - toktype = SentencePieceTokenTypes.UNUSED - elif tokenizer.IsByte(token_id): - toktype = SentencePieceTokenTypes.BYTE - - tokens.append(text) - scores.append(score) - toktypes.append(toktype) - - added_tokens_file = self.dir_model / 'added_tokens.json' - if added_tokens_file.is_file(): - with open(added_tokens_file, "r", encoding="utf-8") as f: - added_tokens_json = json.load(f) - - for key in added_tokens_json: - tokens.append(key.encode("utf-8")) - scores.append(-1000.0) - toktypes.append(SentencePieceTokenTypes.USER_DEFINED) - - self.gguf_writer.add_tokenizer_model("llama") - self.gguf_writer.add_tokenizer_pre("default") - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_scores(scores) - self.gguf_writer.add_token_types(toktypes) - self.gguf_writer.add_add_space_prefix(add_prefix) - - special_vocab = gguf.SpecialVocab(self.dir_model, n_vocab=len(tokens)) - old_eos = special_vocab.special_token_ids["eos"] - if "chat" in os.path.basename(self.dir_model.absolute()): - # For the chat model, we replace the eos with '<|im_end|>'. - # TODO: this is a hack, should be fixed - # https://github.com/ggerganov/llama.cpp/pull/6745#issuecomment-2067687048 - special_vocab.special_token_ids["eos"] = self._try_get_sft_eos(tokenizer) - logger.warning(f"Replace eos:{old_eos} with a special token:{special_vocab.special_token_ids['eos']} \ -in chat mode so that the conversation can end normally.") - - special_vocab.add_to_gguf(self.gguf_writer) - - def _try_get_sft_eos(self, tokenizer): - unused_145_list = tokenizer.Encode('[UNUSED_TOKEN_145]') - im_end_list = tokenizer.Encode('<|im_end|>') - eos_token = None - assert (len(unused_145_list) == 1) ^ (len(im_end_list) == 1) - if len(unused_145_list) == 1: - eos_token = unused_145_list[0] - if len(im_end_list) == 1: - eos_token = im_end_list[0] - assert eos_token - return eos_token - - def _hf_permute_qk(self, weights, n_head: int, n_head_kv: int): - if n_head_kv is not None and n_head != n_head_kv: - n_head = n_head_kv - return (weights.reshape(n_head, 2, weights.shape[0] // n_head // 2, *weights.shape[1:]) - .swapaxes(1, 2) - .reshape(weights.shape)) - - def set_gguf_parameters(self): - self.gguf_writer.add_name("InternLM2") - self.gguf_writer.add_context_length(self.hparams["max_position_embeddings"]) - self.gguf_writer.add_block_count(self.hparams["num_hidden_layers"]) - self.gguf_writer.add_embedding_length(self.hparams["hidden_size"]) - self.gguf_writer.add_feed_forward_length(self.hparams["intermediate_size"]) - self.gguf_writer.add_rope_freq_base(self.hparams["rope_theta"]) - self.gguf_writer.add_head_count(self.hparams["num_attention_heads"]) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["rms_norm_eps"]) - self.gguf_writer.add_head_count_kv(self.hparams["num_key_value_heads"]) - self.gguf_writer.add_file_type(self.ftype) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - num_heads = self.hparams["num_attention_heads"] - num_kv_heads = self.hparams["num_key_value_heads"] - hidden_size = self.hparams["hidden_size"] - q_per_kv = num_heads // num_kv_heads - head_dim = hidden_size // num_heads - num_groups = num_heads // q_per_kv - - qkv_pattern = r"model\.layers\.(\d+)\.attention\.wqkv" - - if re.match(qkv_pattern, name): - bid = re.findall(qkv_pattern, name)[0] - qkv = data_torch - # qkv = rearrange(qkv.T, " o (g n i) ->o g n i", g=num_groups, n=q_per_kv + 2, i=head_dim) - qkv = qkv.T.reshape((-1, num_groups, q_per_kv + 2, head_dim)) - q, k, v = qkv[..., : q_per_kv, :], qkv[..., q_per_kv: q_per_kv + 1, :], qkv[..., q_per_kv + 1: q_per_kv + 2, :] - # The model weights of q and k equire additional reshape. - # q = self._hf_permute_qk(rearrange(q, " o g n i -> o (g n i)").T, num_heads, num_heads) - q = self._hf_permute_qk(q.reshape((q.shape[0], -1)).T, num_heads, num_heads) - # k = self._hf_permute_qk(rearrange(k, " o g n i -> o (g n i)").T, num_heads, num_kv_heads) - k = self._hf_permute_qk(k.reshape((k.shape[0], -1)).T, num_heads, num_kv_heads) - # v = rearrange(v, " o g n i -> o (g n i)").T - v = v.reshape((v.shape[0], -1)).T - return [ - (self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_Q, bid), q), - (self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_K, bid), k), - (self.format_tensor_name(gguf.MODEL_TENSOR.ATTN_V, bid), v), - ] - else: - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("BertModel", "CamembertModel") -class BertModel(Model): - model_arch = gguf.MODEL_ARCH.BERT - - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - self.vocab_size = None - - def set_gguf_parameters(self): - super().set_gguf_parameters() - self.gguf_writer.add_causal_attention(False) - - # get pooling path - pooling_path = None - module_path = self.dir_model / "modules.json" - if module_path.is_file(): - with open(module_path, encoding="utf-8") as f: - modules = json.load(f) - for mod in modules: - if mod["type"] == "sentence_transformers.models.Pooling": - pooling_path = mod["path"] - break - - # get pooling type - if pooling_path is not None: - with open(self.dir_model / pooling_path / "config.json", encoding="utf-8") as f: - pooling = json.load(f) - if pooling["pooling_mode_mean_tokens"]: - pooling_type = gguf.PoolingType.MEAN - elif pooling["pooling_mode_cls_token"]: - pooling_type = gguf.PoolingType.CLS - else: - raise NotImplementedError("Only MEAN and CLS pooling types supported") - self.gguf_writer.add_pooling_type(pooling_type) - - def set_vocab(self): - tokens, toktypes, tokpre = self.get_vocab_base() - self.vocab_size = len(tokens) - - # we need this to validate the size of the token_type embeddings - # though currently we are passing all zeros to the token_type embeddings - self.gguf_writer.add_token_type_count(2) # "Sequence A" or "Sequence B" - - # convert to phantom space vocab - def phantom(tok): - if tok.startswith("[") and tok.endswith("]"): - return tok - if tok.startswith("##"): - return tok[2:] - return "\u2581" + tok - tokens = list(map(phantom, tokens)) - - # add vocab to gguf - self.gguf_writer.add_tokenizer_model("bert") - self.gguf_writer.add_tokenizer_pre(tokpre) - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_types(toktypes) - - # handle special tokens - special_vocab = gguf.SpecialVocab(self.dir_model, n_vocab=len(tokens)) - special_vocab.add_to_gguf(self.gguf_writer) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - # we are only using BERT for embeddings so we don't need the pooling layer - if name in ("embeddings.position_ids", "pooler.dense.weight", "pooler.dense.bias"): - return [] # we don't need these - - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("NomicBertModel") -class NomicBertModel(BertModel): - model_arch = gguf.MODEL_ARCH.NOMIC_BERT - - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - - # the HF config claims n_ctx=8192, but it uses RoPE scaling - self.hparams["n_ctx"] = 2048 - - # SwigLU activation - assert self.hparams["activation_function"] == "swiglu" - # this doesn't do anything in the HF version - assert self.hparams["causal"] is False - # no bias tensors - assert self.hparams["qkv_proj_bias"] is False - assert self.hparams["mlp_fc1_bias"] is False - assert self.hparams["mlp_fc2_bias"] is False - # norm at end of layer - assert self.hparams["prenorm"] is False - # standard RoPE - assert self.hparams["rotary_emb_fraction"] == 1.0 - assert self.hparams["rotary_emb_interleaved"] is False - assert self.hparams["rotary_emb_scale_base"] is None - - def set_gguf_parameters(self): - super().set_gguf_parameters() - self.gguf_writer.add_rope_freq_base(self.hparams["rotary_emb_base"]) - - -@Model.register("GemmaForCausalLM") -class GemmaModel(Model): - model_arch = gguf.MODEL_ARCH.GEMMA - - def set_vocab(self): - self._set_vocab_sentencepiece() - - # TODO: these special tokens should be exported only for the CodeGemma family - special_vocab = gguf.SpecialVocab(self.dir_model, load_merges=False, - special_token_types = ['prefix', 'suffix', 'middle', 'fsep', 'eot']) - special_vocab._set_special_token("prefix", 67) - special_vocab._set_special_token("suffix", 69) - special_vocab._set_special_token("middle", 68) - special_vocab._set_special_token("fsep", 70) - special_vocab._set_special_token("eot", 107) - special_vocab.add_to_gguf(self.gguf_writer) - - def set_gguf_parameters(self): - hparams = self.hparams - block_count = hparams["num_hidden_layers"] - - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_context_length(hparams["max_position_embeddings"]) - self.gguf_writer.add_embedding_length(hparams["hidden_size"]) - self.gguf_writer.add_block_count(block_count) - self.gguf_writer.add_feed_forward_length(hparams["intermediate_size"]) - self.gguf_writer.add_head_count(hparams["num_attention_heads"]) - self.gguf_writer.add_head_count_kv(self.hparams["num_key_value_heads"] if "num_key_value_heads" in hparams else hparams["num_attention_heads"]) - self.gguf_writer.add_layer_norm_rms_eps(self.hparams["rms_norm_eps"]) - self.gguf_writer.add_key_length(hparams["head_dim"]) - self.gguf_writer.add_value_length(hparams["head_dim"]) - self.gguf_writer.add_file_type(self.ftype) - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - # lm_head is not used in llama.cpp, while autoawq will include this tensor in model - # To prevent errors, skip loading lm_head.weight. - if name == "lm_head.weight": - logger.debug(f"Skipping get tensor {name!r} in safetensors so that convert can end normally.") - return [] - - # ref: https://github.com/huggingface/transformers/blob/fc37f38915372c15992b540dfcbbe00a916d4fc6/src/transformers/models/gemma/modeling_gemma.py#L89 - if name.endswith("norm.weight"): - data_torch = data_torch + 1 - - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("Starcoder2ForCausalLM") -class StarCoder2Model(Model): - model_arch = gguf.MODEL_ARCH.STARCODER2 - - -@Model.register("MambaForCausalLM", "MambaLMHeadModel") -class MambaModel(Model): - model_arch = gguf.MODEL_ARCH.MAMBA - - def set_vocab(self): - vocab_size = self.hparams["vocab_size"] - # Round vocab size to next multiple of 8 - pad_vocab = self.hparams.get("pad_vocab_size_multiple", 8) - # pad using ceiling division - # ref: https://stackoverflow.com/a/17511341/22827863 - vocab_size = -(vocab_size // -pad_vocab) * pad_vocab - self.hparams["vocab_size"] = vocab_size - - if (self.dir_model / "tokenizer.json").is_file(): - self._set_vocab_gpt2() - elif (self.dir_model / "tokenizer.model").is_file(): - self._set_vocab_sentencepiece() - else: - # Use the GPT-NeoX tokenizer when no tokenizer files are present - tokenizer_path = Path(sys.path[0]) / "models" / "ggml-vocab-gpt-neox.gguf" - logger.warning(f"Using tokenizer from '{os.path.relpath(tokenizer_path, os.getcwd())}'") - neox_reader = gguf.GGUFReader(tokenizer_path, "r") - - field = neox_reader.get_field(gguf.Keys.Tokenizer.MODEL) - self.gguf_writer.add_tokenizer_model(bytes(field.parts[-1]).decode("utf-8") if field else "gpt2") - - field = neox_reader.get_field(gguf.Keys.Tokenizer.PRE) - self.gguf_writer.add_tokenizer_pre(bytes(field.parts[-1]).decode("utf-8") if field else "mpt") - - field = neox_reader.get_field(gguf.Keys.Tokenizer.LIST) - assert field - self.gguf_writer.add_token_list([bytes(field.parts[i]) for i in field.data][:vocab_size]) - - field = neox_reader.get_field(gguf.Keys.Tokenizer.TOKEN_TYPE) - assert field - self.gguf_writer.add_token_types([field.parts[i].tolist()[0] for i in field.data][:vocab_size]) - - field = neox_reader.get_field(gguf.Keys.Tokenizer.MERGES) - assert field - self.gguf_writer.add_token_merges([bytes(field.parts[i]) for i in field.data]) - - field = neox_reader.get_field(gguf.Keys.Tokenizer.BOS_ID) - self.gguf_writer.add_bos_token_id(field.parts[-1].tolist()[0] if field else 1) - - field = neox_reader.get_field(gguf.Keys.Tokenizer.EOS_ID) - self.gguf_writer.add_eos_token_id(field.parts[-1].tolist()[0] if field else 0) - - field = neox_reader.get_field(gguf.Keys.Tokenizer.UNK_ID) - self.gguf_writer.add_unk_token_id(field.parts[-1].tolist()[0] if field else 0) - - field = neox_reader.get_field(gguf.Keys.Tokenizer.PAD_ID) - self.gguf_writer.add_pad_token_id(field.parts[-1].tolist()[0] if field else 0) - - def set_gguf_parameters(self): - d_model = self.find_hparam(["hidden_size", "d_model"]) - d_conv = self.find_hparam(["conv_kernel", "d_conv"], optional=True) or 4 - d_inner = self.find_hparam(["intermediate_size", "d_inner"], optional=True) or 2 * d_model - d_state = self.find_hparam(["state_size", "d_state"], optional=True) or 16 - # ceiling division - # ref: https://stackoverflow.com/a/17511341/22827863 - # ref: https://github.com/state-spaces/mamba/blob/ce59daea3a090d011d6476c6e5b97f6d58ddad8b/mamba_ssm/modules/mamba_simple.py#L58 - dt_rank = self.find_hparam(["time_step_rank", "dt_rank"], optional=True) or -(d_model // -16) - rms_norm_eps = self.find_hparam(["layer_norm_epsilon", "rms_norm_eps"], optional=True) or 1e-5 - - # Fail early for models which don't have a block expansion factor of 2 - assert d_inner == 2 * d_model - - self.gguf_writer.add_name(self.dir_model.name if self.model_name is None else self.model_name) - self.gguf_writer.add_context_length(2**20) # arbitrary value; for those who use the default - self.gguf_writer.add_embedding_length(d_model) - self.gguf_writer.add_feed_forward_length(0) # unused, but seemingly required when loading - self.gguf_writer.add_head_count(0) # unused, but seemingly required when loading - self.gguf_writer.add_block_count(self.hparams["n_layer"]) - self.gguf_writer.add_ssm_conv_kernel(d_conv) - self.gguf_writer.add_ssm_inner_size(d_inner) - self.gguf_writer.add_ssm_state_size(d_state) - self.gguf_writer.add_ssm_time_step_rank(dt_rank) - self.gguf_writer.add_layer_norm_rms_eps(rms_norm_eps) - self.gguf_writer.add_file_type(self.ftype) - - _tok_embd = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - output_name = self.format_tensor_name(gguf.MODEL_TENSOR.OUTPUT) - tok_embd_name = self.format_tensor_name(gguf.MODEL_TENSOR.TOKEN_EMBD) - - new_name = self.map_tensor_name(name) - - if name.endswith(".A_log"): - logger.debug("A_log --> A ==> " + new_name) - data_torch = -torch.exp(data_torch) - - # assuming token_embd.weight is seen before output.weight - if self._tok_embd is not None and new_name == output_name: - if torch.equal(self._tok_embd, data_torch): - logger.debug(f"{output_name} is equivalent to {tok_embd_name}, omitting") - return [] - elif new_name == tok_embd_name: - self._tok_embd = data_torch - - return [(new_name, data_torch)] - - def extra_f32_tensors(self, name: str, new_name: str, bid: int | None, n_dims: int) -> bool: - del n_dims # unused - - return bid is not None and new_name in ( - self.format_tensor_name(n, bid, ".weight" if name.endswith(".weight") else "") for n in [ - gguf.MODEL_TENSOR.SSM_CONV1D, - gguf.MODEL_TENSOR.SSM_X, - gguf.MODEL_TENSOR.SSM_DT, - gguf.MODEL_TENSOR.SSM_A, - gguf.MODEL_TENSOR.SSM_D, - ] - ) - - -@Model.register("CohereForCausalLM") -class CommandR2Model(Model): - model_arch = gguf.MODEL_ARCH.COMMAND_R - - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - - # max_position_embeddings = 8192 in config.json but model was actually - # trained on 128k context length - # aya-23 models don't have model_max_length specified - self.hparams["max_position_embeddings"] = self.find_hparam(["model_max_length", "max_position_embeddings"]) - - def set_gguf_parameters(self): - super().set_gguf_parameters() - self.gguf_writer.add_logit_scale(self.hparams["logit_scale"]) - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.NONE) - - -@Model.register("OlmoForCausalLM") -@Model.register("OLMoForCausalLM") -class OlmoModel(Model): - model_arch = gguf.MODEL_ARCH.OLMO - - def set_gguf_parameters(self): - super().set_gguf_parameters() - self.gguf_writer.add_layer_norm_eps(1e-5) - clip_qkv = self.hparams.get("clip_qkv") - if clip_qkv is not None: - self.gguf_writer.add_clamp_kqv(clip_qkv) - - # Same as super class, but permuting q_proj, k_proj - # Copied from: LlamaModel - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - del bid # unused - - n_head = self.hparams["num_attention_heads"] - n_kv_head = self.hparams.get("num_key_value_heads") - - if name.endswith("q_proj.weight"): - data_torch = LlamaModel.permute(data_torch, n_head, n_head) - if name.endswith("k_proj.weight"): - data_torch = LlamaModel.permute(data_torch, n_head, n_kv_head) - - return [(self.map_tensor_name(name), data_torch)] - - -@Model.register("JinaBertModel", "JinaBertForMaskedLM") -class JinaBertV2Model(BertModel): - model_arch = gguf.MODEL_ARCH.JINA_BERT_V2 - - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - self.intermediate_size = self.hparams["intermediate_size"] - - def get_tensors(self): - for name, data in super().get_tensors(): - if 'gated_layer' in name: - d1 = data[:self.intermediate_size, :] - name1 = name.replace('gated_layers', 'gated_layers_w') - name1 = name1.replace('up_gated_layer', 'gated_layers_v') - d2 = data[self.intermediate_size:, :] - name2 = name.replace('gated_layers', 'gated_layers_v') - name2 = name2.replace('up_gated_layer', 'gated_layers_w') - yield name1, d1 - yield name2, d2 - continue - - yield name, data - - def set_vocab(self, *args, **kwargs): - tokenizer_class = 'BertTokenizer' - with open(self.dir_model / "tokenizer_config.json", "r", encoding="utf-8") as f: - tokenizer_class = json.load(f)['tokenizer_class'] - - if tokenizer_class == 'BertTokenizer': - super().set_vocab() - elif tokenizer_class == 'RobertaTokenizer': - self._set_vocab_gpt2() - self.gguf_writer.add_token_type_count(2) - else: - raise NotImplementedError(f'Tokenizer {tokenizer_class} is not supported for JinaBertModel') - self.gguf_writer.add_add_bos_token(True) - self.gguf_writer.add_add_eos_token(True) - - -@Model.register("ArcticForCausalLM") -class ArcticModel(Model): - model_arch = gguf.MODEL_ARCH.ARCTIC - - def set_vocab(self): - # The reason for using a custom implementation here is that the - # snowflake-arctic-instruct model redefined tokens 31998 and 31999 from - # tokenizer.model and used them as BOS and EOS instead of adding new tokens. - from sentencepiece import SentencePieceProcessor - - tokenizer_path = self.dir_model / 'tokenizer.model' - - if not tokenizer_path.is_file(): - logger.error(f'Error: Missing {tokenizer_path}') - sys.exit(1) - - # Read the whole vocabulary from the tokenizer.model file - tokenizer = SentencePieceProcessor() - tokenizer.LoadFromFile(str(tokenizer_path)) - - vocab_size = self.hparams.get('vocab_size', tokenizer.vocab_size()) - - tokens: list[bytes] = [f"[PAD{i}]".encode("utf-8") for i in range(vocab_size)] - scores: list[float] = [-10000.0] * vocab_size - toktypes: list[int] = [SentencePieceTokenTypes.UNKNOWN] * vocab_size - - for token_id in range(tokenizer.vocab_size()): - - piece = tokenizer.IdToPiece(token_id) - text = piece.encode("utf-8") - score = tokenizer.GetScore(token_id) - - toktype = SentencePieceTokenTypes.NORMAL - if tokenizer.IsUnknown(token_id): - toktype = SentencePieceTokenTypes.UNKNOWN - elif tokenizer.IsControl(token_id): - toktype = SentencePieceTokenTypes.CONTROL - elif tokenizer.IsUnused(token_id): - toktype = SentencePieceTokenTypes.UNUSED - elif tokenizer.IsByte(token_id): - toktype = SentencePieceTokenTypes.BYTE - - tokens[token_id] = text - scores[token_id] = score - toktypes[token_id] = toktype - - # Use the added_tokens_decoder field from tokeniser_config.json as the source - # of information about added/redefined tokens and modify them accordingly. - tokenizer_config_file = self.dir_model / 'tokenizer_config.json' - if tokenizer_config_file.is_file(): - with open(tokenizer_config_file, "r", encoding="utf-8") as f: - tokenizer_config_json = json.load(f) - - if "added_tokens_decoder" in tokenizer_config_json: - added_tokens_decoder = tokenizer_config_json["added_tokens_decoder"] - for token_id, token_json in added_tokens_decoder.items(): - token_id = int(token_id) - if (token_id >= vocab_size): - logger.debug(f'ignore token {token_id}: id is out of range, max={vocab_size - 1}') - continue - - token_content = token_json["content"] - token_type = SentencePieceTokenTypes.USER_DEFINED - token_score = -10000.0 - - # Map unk_token to UNKNOWN, other special tokens to CONTROL - # Set the score to 0.0 as in the original tokenizer.model - if ("special" in token_json) and token_json["special"]: - if token_content == tokenizer_config_json["unk_token"]: - token_type = SentencePieceTokenTypes.UNKNOWN - else: - token_type = SentencePieceTokenTypes.CONTROL - token_score = 0.0 - - logger.info(f"Setting added token {token_id} to '{token_content}' (type: {token_type}, score: {token_score:.2f})") - tokens[token_id] = token_content.encode("utf-8") - toktypes[token_id] = token_type - scores[token_id] = token_score - - self.gguf_writer.add_tokenizer_model("llama") - self.gguf_writer.add_tokenizer_pre("default") - self.gguf_writer.add_token_list(tokens) - self.gguf_writer.add_token_scores(scores) - self.gguf_writer.add_token_types(toktypes) - - special_vocab = gguf.SpecialVocab(self.dir_model, n_vocab=len(tokens)) - special_vocab.add_to_gguf(self.gguf_writer) - - def set_gguf_parameters(self): - super().set_gguf_parameters() - hparams = self.hparams - self.gguf_writer.add_vocab_size(hparams["vocab_size"]) - self.gguf_writer.add_rope_dimension_count(hparams["hidden_size"] // hparams["num_attention_heads"]) - - _experts: list[dict[str, Tensor]] | None = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - n_head = self.hparams["num_attention_heads"] - n_kv_head = self.hparams.get("num_key_value_heads") - - if name.endswith("q_proj.weight"): - data_torch = LlamaModel.permute(data_torch, n_head, n_head) - if name.endswith("k_proj.weight"): - data_torch = LlamaModel.permute(data_torch, n_head, n_kv_head) - - # process the experts separately - if name.find("block_sparse_moe.experts") != -1: - n_experts = self.hparams["num_local_experts"] - - assert bid is not None - - if self._experts is None: - self._experts = [{} for _ in range(self.block_count)] - - self._experts[bid][name] = data_torch - - if len(self._experts[bid]) >= n_experts * 3: - tensors: list[tuple[str, Tensor]] = [] - - # merge the experts into a single 3d tensor - for wid in ["w1", "w2", "w3"]: - datas: list[Tensor] = [] - - for xid in range(n_experts): - ename = f"model.layers.{bid}.block_sparse_moe.experts.{xid}.{wid}.weight" - datas.append(self._experts[bid][ename]) - del self._experts[bid][ename] - - data_torch = torch.stack(datas, dim=0) - - merged_name = f"layers.{bid}.feed_forward.experts.{wid}.weight" - - new_name = self.map_tensor_name(merged_name) - - tensors.append((new_name, data_torch)) - return tensors - else: - return [] - - return [(self.map_tensor_name(name), data_torch)] - - def write_tensors(self): - super().write_tensors() - - if self._experts is not None: - # flatten `list[dict[str, Tensor]]` into `list[str]` - experts = [k for d in self._experts for k in d.keys()] - if len(experts) > 0: - raise ValueError(f"Unprocessed experts: {experts}") - - -@Model.register("DeepseekV2ForCausalLM") -class DeepseekV2Model(Model): - model_arch = gguf.MODEL_ARCH.DEEPSEEK2 - - def set_vocab(self): - self._set_vocab_gpt2() - - def set_gguf_parameters(self): - super().set_gguf_parameters() - hparams = self.hparams - - self.gguf_writer.add_leading_dense_block_count(hparams["first_k_dense_replace"]) - self.gguf_writer.add_vocab_size(hparams["vocab_size"]) - if "q_lora_rank" in hparams and hparams["q_lora_rank"] is not None: - self.gguf_writer.add_q_lora_rank(hparams["q_lora_rank"]) - self.gguf_writer.add_kv_lora_rank(hparams["kv_lora_rank"]) - self.gguf_writer.add_key_length(hparams["qk_nope_head_dim"] + hparams["qk_rope_head_dim"]) - self.gguf_writer.add_value_length(hparams["v_head_dim"]) - self.gguf_writer.add_expert_feed_forward_length(hparams["moe_intermediate_size"]) - self.gguf_writer.add_expert_count(hparams["n_routed_experts"]) - self.gguf_writer.add_expert_shared_count(hparams["n_shared_experts"]) - self.gguf_writer.add_expert_weights_scale(hparams["routed_scaling_factor"]) - self.gguf_writer.add_rope_dimension_count(hparams["qk_rope_head_dim"]) - - if self.hparams.get("rope_scaling") is not None and "factor" in self.hparams["rope_scaling"]: - if self.hparams["rope_scaling"].get("type") == "yarn": - self.gguf_writer.add_rope_scaling_type(gguf.RopeScalingType.YARN) - self.gguf_writer.add_rope_scaling_factor(self.hparams["rope_scaling"]["factor"]) - self.gguf_writer.add_rope_scaling_orig_ctx_len(self.hparams["rope_scaling"]["original_max_position_embeddings"]) - self.gguf_writer.add_rope_scaling_yarn_log_mul(0.1 * hparams["rope_scaling"]["mscale_all_dim"]) - - _experts: list[dict[str, Tensor]] | None = None - - def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]: - # process the experts separately - if name.find("mlp.experts") != -1: - n_experts = self.hparams["n_routed_experts"] - assert bid is not None - - if self._experts is None: - self._experts = [{} for _ in range(self.block_count)] - - self._experts[bid][name] = data_torch - - if len(self._experts[bid]) >= n_experts * 3: - tensors: list[tuple[str, Tensor]] = [] - - # merge the experts into a single 3d tensor - for w_name in ["down_proj", "gate_proj", "up_proj"]: - datas: list[Tensor] = [] - - for xid in range(n_experts): - ename = f"model.layers.{bid}.mlp.experts.{xid}.{w_name}.weight" - datas.append(self._experts[bid][ename]) - del self._experts[bid][ename] - - data_torch = torch.stack(datas, dim=0) - - merged_name = f"model.layers.{bid}.mlp.experts.{w_name}.weight" - - new_name = self.map_tensor_name(merged_name) - - tensors.append((new_name, data_torch)) - return tensors - else: - return [] - - return [(self.map_tensor_name(name), data_torch)] - - def write_tensors(self): - super().write_tensors() - - if self._experts is not None: - # flatten `list[dict[str, Tensor]]` into `list[str]` - experts = [k for d in self._experts for k in d.keys()] - if len(experts) > 0: - raise ValueError(f"Unprocessed experts: {experts}") - - -###### CONVERSION LOGIC ###### - - -# tree of lazy tensors -class LazyTorchTensor(gguf.LazyBase): - _tensor_type = torch.Tensor - # to keep the type-checker happy - dtype: torch.dtype - shape: torch.Size - - # only used when converting a torch.Tensor to a np.ndarray - _dtype_map: dict[torch.dtype, type] = { - torch.float16: np.float16, - torch.float32: np.float32, - } - - def numpy(self) -> gguf.LazyNumpyTensor: - dtype = self._dtype_map[self.dtype] - return gguf.LazyNumpyTensor( - meta=gguf.LazyNumpyTensor.meta_with_dtype_and_shape(dtype, self.shape), - lazy=self._lazy, - args=(self,), - func=(lambda s: s[0].numpy()) - ) - - @classmethod - def meta_with_dtype_and_shape(cls, dtype: torch.dtype, shape: torch.Size) -> Tensor: - return torch.empty(size=shape, dtype=dtype, device="meta") - - @classmethod - def __torch_function__(cls, func, types, args=(), kwargs=None): - del types # unused - - if kwargs is None: - kwargs = {} - - if func is torch.Tensor.numpy: - return args[0].numpy() - - return LazyTorchTensor._wrap_fn(func)(*args, **kwargs) - - -def parse_args() -> argparse.Namespace: - parser = argparse.ArgumentParser( - description="Convert a huggingface model to a GGML compatible file") - parser.add_argument( - "--vocab-only", action="store_true", - help="extract only the vocab", - ) - parser.add_argument( - "--awq-path", type=Path, default=None, - help="Path to scale awq cache file", - ) - parser.add_argument( - "--outfile", type=Path, - help="path to write to; default: based on input. {ftype} will be replaced by the outtype.", - ) - parser.add_argument( - "--outtype", type=str, choices=["f32", "f16", "bf16", "q8_0", "auto"], default="f16", - help="output format - use f32 for float32, f16 for float16, bf16 for bfloat16, q8_0 for Q8_0, auto for the highest-fidelity 16-bit float type depending on the first loaded tensor type", - ) - parser.add_argument( - "--bigendian", action="store_true", - help="model is executed on big endian machine", - ) - parser.add_argument( - "model", type=Path, - help="directory containing model file", - ) - parser.add_argument( - "--use-temp-file", action="store_true", - help="use the tempfile library while processing (helpful when running out of memory, process killed)", - ) - parser.add_argument( - "--no-lazy", action="store_true", - help="use more RAM by computing all outputs before writing (use in case lazy evaluation is broken)", - ) - parser.add_argument( - "--model-name", type=str, default=None, - help="name of the model", - ) - parser.add_argument( - "--verbose", action="store_true", - help="increase output verbosity", - ) - - return parser.parse_args() - - -def main() -> None: - args = parse_args() - - logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO) - - dir_model = args.model - - if args.awq_path: - sys.path.insert(1, str(Path(__file__).parent / 'awq-py')) - from awq.apply_awq import add_scale_weights # type: ignore[import-not-found] - tmp_model_path = args.model / "weighted_model" - dir_model = tmp_model_path - if tmp_model_path.is_dir(): - logger.info(f"{tmp_model_path} exists as a weighted model.") - else: - tmp_model_path.mkdir(parents=True, exist_ok=True) - logger.info("Saving new weighted model ...") - add_scale_weights(str(args.model), str(args.awq_path), str(tmp_model_path)) - logger.info(f"Saved weighted model at {tmp_model_path}.") - - if not dir_model.is_dir(): - logger.error(f'Error: {args.model} is not a directory') - sys.exit(1) - - ftype_map: dict[str, gguf.LlamaFileType] = { - "f32": gguf.LlamaFileType.ALL_F32, - "f16": gguf.LlamaFileType.MOSTLY_F16, - "bf16": gguf.LlamaFileType.MOSTLY_BF16, - "q8_0": gguf.LlamaFileType.MOSTLY_Q8_0, - "auto": gguf.LlamaFileType.GUESSED, - } - - if args.outfile is not None: - fname_out = args.outfile - else: - # output in the same directory as the model by default - fname_out = dir_model / 'ggml-model-{ftype}.gguf' - - logger.info(f"Loading model: {dir_model.name}") - - hparams = Model.load_hparams(dir_model) - - with torch.inference_mode(): - try: - model_class = Model.from_model_architecture(hparams["architectures"][0]) - except NotImplementedError: - logger.error(f"Model {hparams['architectures'][0]} is not supported") - sys.exit(1) - - model_instance = model_class(dir_model, ftype_map[args.outtype], fname_out, args.bigendian, args.use_temp_file, args.no_lazy, args.model_name) - - logger.info("Set model parameters") - model_instance.set_gguf_parameters() - - logger.info("Set model tokenizer") - model_instance.set_vocab() - - model_instance.gguf_writer.add_quantization_version(gguf.GGML_QUANT_VERSION) - - if args.vocab_only: - logger.info(f"Exporting model vocab to '{model_instance.fname_out}'") - model_instance.write_vocab() - else: - logger.info(f"Exporting model to '{model_instance.fname_out}'") - model_instance.write() - - logger.info(f"Model successfully exported to '{model_instance.fname_out}'") - - -if __name__ == '__main__': - main() |