diff options
| author | Kawrakow <iwankawrakow@gmail.com> | 2024-09-28 08:17:19 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-28 08:17:19 +0300 |
| commit | 1f61e91862dd0b077ccb60459f3cc03f364ee279 (patch) | |
| tree | dea91fadd7bb37077f04e10858732ac3903b632d /src/llama.cpp | |
| parent | 6dec4af4b6e65eb72e646a6f8b10d77c9d306281 (diff) | |
Better sub-3-bit quantization mixes with a qkv tensor (#64)
Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com>
Diffstat (limited to 'src/llama.cpp')
| -rw-r--r-- | src/llama.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/llama.cpp b/src/llama.cpp index df57c071..2cca5099 100644 --- a/src/llama.cpp +++ b/src/llama.cpp @@ -15665,6 +15665,9 @@ static ggml_type llama_tensor_get_type(quantize_state_internal & qs, ggml_type n else if (qs.model.hparams.n_expert == 8 && name.find("attn_k.weight") != std::string::npos) { new_type = GGML_TYPE_Q4_K; } + else if (name.find("attn_qkv.weight") != std::string::npos) { + new_type = ftype == LLAMA_FTYPE_MOSTLY_IQ2_S || ftype == LLAMA_FTYPE_MOSTLY_IQ2_M ? GGML_TYPE_IQ3_XXS : GGML_TYPE_IQ2_K; + } else if (name.find("ffn_down") != std::string::npos) { if (qs.i_ffn_down < qs.n_ffn_down/8) { new_type = ftype == LLAMA_FTYPE_MOSTLY_IQ2_S || ftype == LLAMA_FTYPE_MOSTLY_IQ2_M ? GGML_TYPE_IQ3_S : GGML_TYPE_Q2_K; @@ -15770,7 +15773,7 @@ static ggml_type llama_tensor_get_type(quantize_state_internal & qs, ggml_type n } else if (ftype == LLAMA_FTYPE_MOSTLY_IQ3_M && (i_layer < n_layer/8 || (qs.model.hparams.n_expert == 8 && use_more_bits(i_layer, n_layer)))) { - new_type = GGML_TYPE_Q4_K; + new_type = GGML_TYPE_IQ4_K; } else if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_L) { new_type = arch == LLM_ARCH_FALCON ? GGML_TYPE_Q4_K : GGML_TYPE_Q5_K; @@ -15821,9 +15824,10 @@ static ggml_type llama_tensor_get_type(quantize_state_internal & qs, ggml_type n } } else if (name.find("attn_qkv.weight") != std::string::npos) { - if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_M || ftype == LLAMA_FTYPE_MOSTLY_Q3_K_L || ftype == LLAMA_FTYPE_MOSTLY_IQ3_M) { + if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_M || ftype == LLAMA_FTYPE_MOSTLY_Q3_K_L) { new_type = GGML_TYPE_Q4_K; } + else if (ftype == LLAMA_FTYPE_MOSTLY_IQ3_M ) new_type = GGML_TYPE_IQ4_K; else if (ftype == LLAMA_FTYPE_MOSTLY_Q4_K_M) new_type = GGML_TYPE_Q5_K; else if (ftype == LLAMA_FTYPE_MOSTLY_Q5_K_M) new_type = GGML_TYPE_Q6_K; } |