diff options
Diffstat (limited to 'examples/train-text-from-scratch/convert-train-checkpoint-to-gguf.py')
| -rw-r--r-- | examples/train-text-from-scratch/convert-train-checkpoint-to-gguf.py | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/examples/train-text-from-scratch/convert-train-checkpoint-to-gguf.py b/examples/train-text-from-scratch/convert-train-checkpoint-to-gguf.py new file mode 100644 index 00000000..01b3ee92 --- /dev/null +++ b/examples/train-text-from-scratch/convert-train-checkpoint-to-gguf.py @@ -0,0 +1,492 @@ +#!/usr/bin/env python3 +# train-text-from-scratch checkpoint --> gguf conversion + +import argparse +import gguf +import os +import struct +import sys +import numpy as np +from pathlib import Path + +# gguf constants +LLM_KV_OPTIMIZER_TYPE = "optimizer.type" +LLM_KV_OPTIMIZER_TYPE_ADAM = "adam" +LLM_KV_OPTIMIZER_TYPE_LBFGS = "lbfgs" +LLM_KV_OPTIMIZER_FILE_VERSION = "optimizer.file_version" +LLM_KV_OPTIMIZER_CONVERGENCE_PAST_COUNT = "optimizer.convergence_past_count" +LLM_KV_OPTIMIZER_PARAMETER_COUNT = "optimizer.parameter_count" +LLM_KV_OPTIMIZER_ITERATION_COUNT = "optimizer.iteration_count" +LLM_KV_OPTIMIZER_JUST_INITIALIZED = "optimizer.just_initialized" +LLM_KV_OPTIMIZER_ADAM_BEST_LOSS = "optimizer.adam.best_loss" +LLM_KV_OPTIMIZER_ADAM_PREVIOUS_LOSS = "optimizer.adam.previous_loss" +LLM_KV_OPTIMIZER_ADAM_NO_IMPROVEMENT_COUNT = "optimizer.adam.no_improvement_count" +LLM_KV_OPTIMIZER_LBFGS_APPROX_HESSIAN_COUNT = "optimizer.lbfgs.approx_hessian_count" +LLM_KV_OPTIMIZER_LBFGS_BEST_LOSS = "optimizer.lbfgs.best_loss" +LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_STEP = "optimizer.lbfgs.line_search_step" +LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_J = "optimizer.lbfgs.line_search_j" +LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_K = "optimizer.lbfgs.line_search_k" +LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_END = "optimizer.lbfgs.line_search_end" +LLM_KV_OPTIMIZER_LBFGS_NO_IMPROVEMENT_COUNT = "optimizer.lbfgs.no_improvement_count" + +LLM_TENSOR_OPTIMIZER_ADAM_FIRST_MOMENTS = "optimizer.adam.first_moments" +LLM_TENSOR_OPTIMIZER_ADAM_SECOND_MOMENTS = "optimizer.adam.second_moments" +LLM_TENSOR_OPTIMIZER_ADAM_PAST_LOSS_VALUES = "optimizer.adam.past_loss_values" + +LLM_TENSOR_OPTIMIZER_LBFGS_CURRENT_PARAMETERS = "optimizer.lbfgs.current_parameters" +LLM_TENSOR_OPTIMIZER_LBFGS_PREVIOUS_PARAMETERS = "optimizer.lbfgs.previous_parameters" +LLM_TENSOR_OPTIMIZER_LBFGS_CURRENT_GRADIENTS = "optimizer.lbfgs.current_gradients" +LLM_TENSOR_OPTIMIZER_LBFGS_PREVIOUS_GRADIENTS = "optimizer.lbfgs.previous_gradients" +LLM_TENSOR_OPTIMIZER_LBFGS_SEARCH_DIRECTION = "optimizer.lbfgs.search_direction" +LLM_TENSOR_OPTIMIZER_LBFGS_PAST_LOSS_VALUES = "optimizer.lbfgs.past_loss_values" +LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_ALPHA = "optimizer.lbfgs.memory_alpha" +LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_YS = "optimizer.lbfgs.memory_ys" +LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_S = "optimizer.lbfgs.memory_s" +LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_Y = "optimizer.lbfgs.memory_y" + +LLM_KV_TRAINING_FILE_VERSION = "training.file_version" +LLM_KV_TRAINING_ITERATION_COUNT = "training.iteration_count" +LLM_KV_TRAINING_SAMPLE_COUNT = "training.sample_count" +LLM_KV_TRAINING_TOKEN_COUNT = "training.token_count" + +class Tensor: + def __init__(self, dtype='f', ne=None): + if ne is None: + ne = [] + self.dtype = dtype + self.ne = ne + self.nbytes = 0 + if self.dtype == 'f': + if len(self.ne) == 0: + self.nbytes = 0 + else: + self.nbytes = int(np.product(self.ne)) * 4 + else: + raise ValueError(f"Unhandled data type '{self.dtype}'") + + def load(self, data, offset): + nd = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + namelen = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + dtype = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + + assert(nd == len(self.ne)) + ne = [] + for d in range(nd): + n = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + ne.append(n) + + assert(tuple(ne) == tuple(self.ne)) + + if self.dtype == 'f': + assert(dtype == 0) + else: + raise ValueError(f"Unhandled data type '{self.dtype}'") + + self.name = bytes(data[offset:offset+namelen]); offset += namelen + # 32-byte alignment + offset += (0 - offset) & 31 + self.data = data[offset:offset+self.nbytes] + offset += self.nbytes + return offset + + def max_storage_size(self): + result = 0 + result += 4 # nd + result += 4 # namelen + result += 4 # dtype + result += len(self.ne)*8 # ne + result += 48 # name (maximum as of commit 3b5515bbe0e2224425986ba24f1f5d84aa38dce9) + result += 31 # 32-byte alignment + result += self.nbytes + return result + + def save_gguf(self, gguf_writer, name): + gguf_writer.add_tensor( + name=name, + tensor=self.data, + raw_shape=np.array(list(reversed(self.ne))), + raw_dtype=gguf.GGMLQuantizationType.F32) + +class OptimizationParamsV0: + def __init__(self): + pass + + def load(self, data, offset): + self.type = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.n_threads = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.past = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.delta = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.print_forward_graph = struct.unpack('<?', bytes(data[offset:offset + 1]))[0]; offset += 4 # 32bit-aligned + self.print_backward_graph = struct.unpack('<?', bytes(data[offset:offset + 1]))[0]; offset += 4 # 32bit-aligned + self.adam_n_iter = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_sched = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_decay = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_alpha = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_beta1 = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_beta2 = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_eps = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_eps_f = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_eps_g = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_m = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_n_iter = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_max_linesearch = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_eps = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_ftol = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_wolfe = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_min_step = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_max_step = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_linesearch = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + return offset + +class OptimizationContext: + def __init__(self): + pass + + def load(self, data, offset): + self.version = struct.unpack('<I', bytes(data[offset:offset + 4]))[0] + offset += 4 + + if self.version == 0: + params = OptimizationParamsV0() + offset = params.load(data, offset) + self.past = params.past + self.lbfgs_m = params.lbfgs_m + self.nx = struct.unpack('N', bytes(data[offset:offset + 8]))[0]; offset += 8 + self.iter = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.just_initialized = bool(struct.unpack('<i', bytes(data[offset:offset + 4]))[0]); offset += 4 + self.type = params.type + + self.adam_m = Tensor('f', [self.nx]) + self.adam_v = Tensor('f', [self.nx]) + self.adam_pf = Tensor('f', [self.past] if self.past > 0 else []) + + self.lbfgs_x = Tensor('f', [self.nx]) + self.lbfgs_xp = Tensor('f', [self.nx]) + self.lbfgs_g = Tensor('f', [self.nx]) + self.lbfgs_gp = Tensor('f', [self.nx]) + self.lbfgs_d = Tensor('f', [self.nx]) + self.lbfgs_pf = Tensor('f', [self.past] if self.past > 0 else []) + self.lbfgs_lmal = Tensor('f', [self.lbfgs_m]) + self.lbfgs_lmys = Tensor('f', [self.lbfgs_m]) + self.lbfgs_lms = Tensor('f', [self.nx, self.lbfgs_m]) + self.lbfgs_lmy = Tensor('f', [self.nx, self.lbfgs_m]) + + if self.type == 0: + # these tensors are stored, but we don't need their data + x = Tensor('f', [self.nx]) + g = Tensor('f', [self.nx]) + g2 = Tensor('f', [self.nx]) + mh = Tensor('f', [self.nx]) + vh = Tensor('f', [self.nx]) + + offset = x.load(data, offset) + offset = g.load(data, offset) + offset = g2.load(data, offset) + offset = self.adam_m.load(data, offset) + offset = self.adam_v.load(data, offset) + offset = mh.load(data, offset) + offset = vh.load(data, offset) + offset = self.adam_pf.load(data, offset) + + self.adam_fx_best = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_fx_prev = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_n_no_improvement = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + + elif self.type == 1: + offset = self.lbfgs_x.load(data, offset) + offset = self.lbfgs_xp.load(data, offset) + offset = self.lbfgs_g.load(data, offset) + offset = self.lbfgs_gp.load(data, offset) + offset = self.lbfgs_d.load(data, offset) + offset = self.lbfgs_pf.load(data, offset) + offset = self.lbfgs_lmal.load(data, offset) + offset = self.lbfgs_lmys.load(data, offset) + offset = self.lbfgs_lms.load(data, offset) + offset = self.lbfgs_lmy.load(data, offset) + + self.lbfgs_fx_best = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_step = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_j = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_k = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_end = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_n_no_improvement = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + + else: + raise ValueError('Unknown optimizer type') + + + elif self.version == 1: + self.past = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_m = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.nx = struct.unpack('N', bytes(data[offset:offset + 8]))[0]; offset += 8 + self.iter = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.just_initialized = bool(struct.unpack('<i', bytes(data[offset:offset + 4]))[0]); offset += 4 + + self.adam_m = Tensor('f', [self.nx]) + self.adam_v = Tensor('f', [self.nx]) + self.adam_pf = Tensor('f', [self.past] if self.past > 0 else []) + + self.lbfgs_x = Tensor('f', [self.nx]) + self.lbfgs_xp = Tensor('f', [self.nx]) + self.lbfgs_g = Tensor('f', [self.nx]) + self.lbfgs_gp = Tensor('f', [self.nx]) + self.lbfgs_d = Tensor('f', [self.nx]) + self.lbfgs_pf = Tensor('f', [self.past] if self.past > 0 else []) + self.lbfgs_lmal = Tensor('f', [self.lbfgs_m]) + self.lbfgs_lmys = Tensor('f', [self.lbfgs_m]) + self.lbfgs_lms = Tensor('f', [self.nx, self.lbfgs_m]) + self.lbfgs_lmy = Tensor('f', [self.nx, self.lbfgs_m]) + + # forgot to save type in version 1: + # guess self.type from number of remaining bytes + size_type_0 = 12 + sum([t.max_storage_size() for t in + [self.adam_m, self.adam_v] + +([self.adam_pf] if (self.past > 0) else [])]) + size_type_1 = 24 + sum([t.max_storage_size() for t in + [self.lbfgs_x, self.lbfgs_xp, self.lbfgs_g, + self.lbfgs_gp, self.lbfgs_d, self.lbfgs_pf, + self.lbfgs_lmal, self.lbfgs_lmys, + self.lbfgs_lms, self.lbfgs_lmy] + +([self.lbfgs_pf] if (self.past > 0) else [])]) + # due to alignment padding the size might not by exact + # but the difference in size for both types is significant, + # so we can just use whichever is closest + remaining = len(data) - offset + if abs(remaining - size_type_0) < abs(remaining - size_type_1): + self.type = 0 + else: + self.type = 1 + + if self.type == 0: + offset = self.adam_m.load(data, offset) + offset = self.adam_v.load(data, offset) + offset = self.adam_pf.load(data,offset) + + self.adam_fx_best = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_fx_prev = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.adam_n_no_improvement = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + + elif self.type == 1: + offset = self.lbfgs_x.load(data, offset) + offset = self.lbfgs_xp.load(data, offset) + offset = self.lbfgs_g.load(data, offset) + offset = self.lbfgs_gp.load(data, offset) + offset = self.lbfgs_d.load(data, offset) + offset = self.lbfgs_pf.load(data, offset) + offset = self.lbfgs_lmal.load(data, offset) + offset = self.lbfgs_lmys.load(data, offset) + offset = self.lbfgs_lms.load(data, offset) + offset = self.lbfgs_lmy.load(data, offset) + + self.lbfgs_fx_best = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_step = struct.unpack('<f', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_j = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_k = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_end = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.lbfgs_n_no_improvement = struct.unpack('<i', bytes(data[offset:offset + 4]))[0]; offset += 4 + + else: + raise ValueError('Invalid version of checkpoint file') + + return offset + + def save_gguf(self, gguf_writer): + gguf_writer.add_uint32(LLM_KV_OPTIMIZER_FILE_VERSION, 0) + gguf_writer.add_uint32(LLM_KV_OPTIMIZER_CONVERGENCE_PAST_COUNT, self.past) + gguf_writer.add_uint64(LLM_KV_OPTIMIZER_PARAMETER_COUNT, self.nx) + gguf_writer.add_uint32(LLM_KV_OPTIMIZER_ITERATION_COUNT, self.iter) + gguf_writer.add_bool(LLM_KV_OPTIMIZER_JUST_INITIALIZED, self.just_initialized) + + if self.type == 0: + gguf_writer.add_string(LLM_KV_OPTIMIZER_TYPE, LLM_KV_OPTIMIZER_TYPE_ADAM) + gguf_writer.add_float32(LLM_KV_OPTIMIZER_ADAM_BEST_LOSS, self.adam_fx_best) + gguf_writer.add_float32(LLM_KV_OPTIMIZER_ADAM_PREVIOUS_LOSS, self.adam_fx_prev) + gguf_writer.add_uint32(LLM_KV_OPTIMIZER_ADAM_NO_IMPROVEMENT_COUNT, self.adam_n_no_improvement) + + self.adam_m.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_ADAM_FIRST_MOMENTS) + self.adam_v.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_ADAM_SECOND_MOMENTS) + if self.past > 0: + self.adam_pf.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_ADAM_PAST_LOSS_VALUES) + + elif self.type == 1: + gguf_writer.add_string(LLM_KV_OPTIMIZER_TYPE, LLM_KV_OPTIMIZER_TYPE_LBFGS) + gguf_writer.add_uint32(LLM_KV_OPTIMIZER_LBFGS_APPROX_HESSIAN_COUNT, self.lbfgs_m) + gguf_writer.add_float32(LLM_KV_OPTIMIZER_LBFGS_BEST_LOSS, self.lbfgs_fx_best) + gguf_writer.add_float32(LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_STEP, self.lbfgs_step) + gguf_writer.add_int32(LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_J, self.lbfgs_j) + gguf_writer.add_int32(LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_K, self.lbfgs_k) + gguf_writer.add_int32(LLM_KV_OPTIMIZER_LBFGS_LINE_SEARCH_END, self.lbfgs_end) + gguf_writer.add_uint32(LLM_KV_OPTIMIZER_LBFGS_NO_IMPROVEMENT_COUNT, self.lbfgs_n_no_improvement) + + self.lbfgs_x.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_CURRENT_PARAMETERS) + self.lbfgs_xp.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_PREVIOUS_PARAMETERS) + self.lbfgs_g.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_CURRENT_GRADIENTS) + self.lbfgs_gp.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_PREVIOUS_GRADIENTS) + self.lbfgs_d.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_SEARCH_DIRECTION) + if self.past > 0: + self.lbfgs_pf.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_PAST_LOSS_VALUES) + self.lbfgs_lmal.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_ALPHA) + self.lbfgs_lmys.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_YS) + self.lbfgs_lms.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_S) + self.lbfgs_lmy.save_gguf(gguf_writer, name=LLM_TENSOR_OPTIMIZER_LBFGS_MEMORY_Y) + else: + raise ValueError('Unknown optimizer type') + +class ModelParams: + def __init__(self): + pass + + def load(self, data, offset): + self.n_vocab = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.n_embd = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.n_mult = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.n_head = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.n_layer = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.n_rot = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + return offset + + def get_n_ff(self): + # struct my_llama_model::get_n_ff in train-text-from-scratch.cpp commit 3b5515bbe0e2224425986ba24f1f5d84aa38dce9 + return ((2*(4*self.n_embd)//3 + self.n_mult - 1)//self.n_mult)*self.n_mult + + def save_gguf(self, gguf_writer): + # self.n_vocab not saved + gguf_writer.add_embedding_length(self.n_embd) + gguf_writer.add_head_count(self.n_head) + gguf_writer.add_block_count(self.n_layer) + gguf_writer.add_rope_dimension_count(self.n_rot) + gguf_writer.add_feed_forward_length(self.get_n_ff()) + +def tensor_name(key, bid=None): + return gguf.MODEL_TENSOR_NAMES[gguf.MODEL_ARCH.LLAMA][key].format(bid=bid) + ".weight" + +class Layer: + def __init__(self, params, bid): + self.bid = bid + self.att_norm = Tensor('f', [params.n_embd]) + self.wq = Tensor('f', [params.n_embd, params.n_embd]) + self.wk = Tensor('f', [params.n_embd, params.n_embd]) + self.wv = Tensor('f', [params.n_embd, params.n_embd]) + self.wo = Tensor('f', [params.n_embd, params.n_embd]) + self.ffn_norm = Tensor('f', [params.n_embd]) + self.w1 = Tensor('f', [params.n_embd, params.get_n_ff()]) + self.w2 = Tensor('f', [params.get_n_ff(), params.n_embd]) + self.w3 = Tensor('f', [params.n_embd, params.get_n_ff()]) + + def load(self, data, offset): + offset = self.att_norm.load(data, offset) + offset = self.wq.load(data, offset) + offset = self.wk.load(data, offset) + offset = self.wv.load(data, offset) + offset = self.wo.load(data, offset) + offset = self.ffn_norm.load(data, offset) + offset = self.w1.load(data, offset) + offset = self.w2.load(data, offset) + offset = self.w3.load(data, offset) + return offset + + def save_gguf(self, gguf_writer): + self.att_norm.save_gguf(gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.ATTN_NORM, self.bid)) + self.wq.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.ATTN_Q, self.bid)) + self.wk.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.ATTN_K, self.bid)) + self.wv.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.ATTN_V, self.bid)) + self.wo.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.ATTN_OUT, self.bid)) + self.ffn_norm.save_gguf(gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.FFN_NORM, self.bid)) + self.w1.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.FFN_GATE, self.bid)) + self.w2.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.FFN_DOWN, self.bid)) + self.w3.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.FFN_UP, self.bid)) + +class Model: + def __init__(self): + self.params = ModelParams() + self.layers = [] + + def load(self, data, offset): + offset = self.params.load(data, offset) + + self.tok_embd = Tensor('f', [self.params.n_embd, self.params.n_vocab]) + self.norm = Tensor('f', [self.params.n_embd]) + self.output = Tensor('f', [self.params.n_embd, self.params.n_vocab]) + + offset = self.tok_embd.load(data, offset) + offset = self.norm.load(data, offset) + offset = self.output.load(data, offset) + + self.layers.clear() + for bid in range(self.params.n_layer): + layer = Layer(self.params, bid) + offset = layer.load(data, offset) + self.layers.append(layer) + + return offset + + def save_gguf(self, gguf_writer): + self.params.save_gguf(gguf_writer) + + self.tok_embd.save_gguf(gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.TOKEN_EMBD)) + self.norm.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.OUTPUT_NORM)) + self.output.save_gguf (gguf_writer, name=tensor_name(gguf.MODEL_TENSOR.OUTPUT)) + + for layer in self.layers: + layer.save_gguf(gguf_writer) + +class Checkpoint: + def __init__(self): + self.model = Model() + self.opt_ctx = OptimizationContext() + + def load(self, data, offset): + magic = bytes(reversed(data[offset:offset + 4])); offset += 4 + if magic != b'ggcp': + raise ValueError(f"File header magic indicates, that this is no checkpoint file. Expected 'ggcp', Got '{str(magic)}'") + + self.version = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + if self.version != 0: + raise ValueError('Invalid version of checkpoint file') + + self.train_its = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.train_samples = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + self.train_tokens = struct.unpack('<I', bytes(data[offset:offset + 4]))[0]; offset += 4 + + offset = self.model.load(data, offset) + offset = self.opt_ctx.load(data, offset) + + return offset + + def save_gguf(self, gguf_writer): + gguf_writer.add_file_type(gguf.GGMLQuantizationType.F32) + gguf_writer.add_layer_norm_rms_eps(1e-5) + gguf_writer.add_uint32(LLM_KV_TRAINING_FILE_VERSION, 0) + gguf_writer.add_uint32(LLM_KV_TRAINING_ITERATION_COUNT, self.train_its) + gguf_writer.add_uint32(LLM_KV_TRAINING_SAMPLE_COUNT, self.train_samples) + gguf_writer.add_uint32(LLM_KV_TRAINING_TOKEN_COUNT, self.train_tokens) + self.model.save_gguf(gguf_writer) + self.opt_ctx.save_gguf(gguf_writer) + +def handle_args(): + parser = argparse.ArgumentParser(description = 'Convert train-text-from-scratch checkpoints to GGUF') + parser.add_argument('--input', '-i', type = Path, help = 'Input train checkpoint filename', required=True) + parser.add_argument('--output', '-o', type = Path, help ='Output GGUF filename', required=True) + return parser.parse_args() + +def main(): + cfg = handle_args() + data = np.memmap(cfg.input, mode = 'r') + chk = Checkpoint() + offset = 0 + offset = chk.load(data, offset) + # we should have read all available data + assert(offset == len(data)) + + gguf_writer = gguf.GGUFWriter(cfg.output, gguf.MODEL_ARCH_NAMES[gguf.MODEL_ARCH.LLAMA], use_temp_file = False) + chk.save_gguf(gguf_writer) + print(" gguf: write header") + gguf_writer.write_header_to_file() + print(" gguf: write metadata") + gguf_writer.write_kv_data_to_file() + print(" gguf: write tensors") + gguf_writer.write_tensors_to_file() + gguf_writer.close() + +if __name__ == '__main__': + main() |