Q3_K_XS now uses a mix of IQ3_XS and IQ3_XXS

This commit is contained in:
Iwan Kawrakow 2024-02-22 17:45:25 +02:00
parent b25f99607d
commit 272c7f7739

View file

@ -10584,13 +10584,17 @@ static ggml_type get_k_quant_type(quantize_state_internal & qs, ggml_type new_ty
new_type = GGML_TYPE_Q8_0; new_type = GGML_TYPE_Q8_0;
} }
else if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS) { else if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS) {
new_type = GGML_TYPE_Q2_K; new_type = GGML_TYPE_IQ3_XXS;
}
} else if (name.find("attn_q.weight") != std::string::npos) {
if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS) {
new_type = GGML_TYPE_IQ3_XXS;
} }
} else if (name.find("ffn_down") != std::string::npos) { } else if (name.find("ffn_down") != std::string::npos) {
auto info = layer_info(qs.i_ffn_down, qs.n_ffn_down, name.c_str()); auto info = layer_info(qs.i_ffn_down, qs.n_ffn_down, name.c_str());
int i_layer = info.first, n_layer = info.second; int i_layer = info.first, n_layer = info.second;
if (ftype == LLAMA_FTYPE_MOSTLY_Q2_K) new_type = GGML_TYPE_Q3_K; if (ftype == LLAMA_FTYPE_MOSTLY_Q2_K) new_type = GGML_TYPE_Q3_K;
else if (ftype == LLAMA_FTYPE_MOSTLY_Q2_K_S || ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS) { else if (ftype == LLAMA_FTYPE_MOSTLY_Q2_K_S) {
if (i_layer < n_layer/8) new_type = GGML_TYPE_Q4_K; if (i_layer < n_layer/8) new_type = GGML_TYPE_Q4_K;
} }
else if (ftype == LLAMA_FTYPE_MOSTLY_IQ3_XXS && !qs.has_imatrix) { else if (ftype == LLAMA_FTYPE_MOSTLY_IQ3_XXS && !qs.has_imatrix) {
@ -10659,18 +10663,14 @@ static ggml_type get_k_quant_type(quantize_state_internal & qs, ggml_type new_ty
else if (ftype == LLAMA_FTYPE_MOSTLY_Q5_K_M) new_type = GGML_TYPE_Q6_K; else if (ftype == LLAMA_FTYPE_MOSTLY_Q5_K_M) new_type = GGML_TYPE_Q6_K;
} }
else if (name.find("ffn_gate") != std::string::npos) { else if (name.find("ffn_gate") != std::string::npos) {
auto info = layer_info(qs.i_ffn_gate, qs.n_ffn_gate, name.c_str()); if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS) {
int i_layer = info.first, n_layer = info.second; new_type = GGML_TYPE_IQ3_XXS;
if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS && !use_more_bits(i_layer, n_layer)) {
new_type = GGML_TYPE_Q2_K;
} }
++qs.i_ffn_gate; ++qs.i_ffn_gate;
} }
else if (name.find("ffn_up") != std::string::npos) { else if (name.find("ffn_up") != std::string::npos) {
auto info = layer_info(qs.i_ffn_up, qs.n_ffn_up, name.c_str()); if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS) {
int i_layer = info.first, n_layer = info.second; new_type = GGML_TYPE_IQ3_XXS;
if (ftype == LLAMA_FTYPE_MOSTLY_Q3_K_XS && !use_more_bits(i_layer, n_layer)) {
new_type = GGML_TYPE_Q2_K;
} }
++qs.i_ffn_up; ++qs.i_ffn_up;
} }
@ -10737,7 +10737,7 @@ static void llama_model_quantize_internal(const std::string & fname_inp, const s
// K-quants // K-quants
case LLAMA_FTYPE_MOSTLY_Q2_K_S: case LLAMA_FTYPE_MOSTLY_Q2_K_S:
case LLAMA_FTYPE_MOSTLY_Q2_K: quantized_type = GGML_TYPE_Q2_K; break; case LLAMA_FTYPE_MOSTLY_Q2_K: quantized_type = GGML_TYPE_Q2_K; break;
case LLAMA_FTYPE_MOSTLY_Q3_K_XS: case LLAMA_FTYPE_MOSTLY_Q3_K_XS: quantized_type = GGML_TYPE_IQ3_XS; break;
case LLAMA_FTYPE_MOSTLY_Q3_K_S: case LLAMA_FTYPE_MOSTLY_Q3_K_S:
case LLAMA_FTYPE_MOSTLY_Q3_K_M: case LLAMA_FTYPE_MOSTLY_Q3_K_M:
case LLAMA_FTYPE_MOSTLY_Q3_K_L: quantized_type = GGML_TYPE_Q3_K; break; case LLAMA_FTYPE_MOSTLY_Q3_K_L: quantized_type = GGML_TYPE_Q3_K; break;