Lumpiasty/llama.cpp
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Add Q2_0 quantization: type definition and CPU backend (#24448)

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Pasha Khosravi
2026-07-07 12:05:47 -07:00
committed by GitHub
parent c198af4dc2
commit bec4772f6a
17 changed files with 262 additions and 3 deletions
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src/llama-model-loader.cpp
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@@ -37,6 +37,7 @@ const char * llama_ftype_name(llama_ftype ftype) {
case LLAMA_FTYPE_MOSTLY_F16: name = LLAMA_FTYPE_PREFIX "F16"; break;
case LLAMA_FTYPE_MOSTLY_BF16: name = LLAMA_FTYPE_PREFIX "BF16"; break;
case LLAMA_FTYPE_MOSTLY_Q1_0: name = LLAMA_FTYPE_PREFIX "Q1_0"; break;
case LLAMA_FTYPE_MOSTLY_Q2_0: name = LLAMA_FTYPE_PREFIX "Q2_0"; break;
case LLAMA_FTYPE_MOSTLY_Q4_0: name = LLAMA_FTYPE_PREFIX "Q4_0"; break;
case LLAMA_FTYPE_MOSTLY_Q4_1: name = LLAMA_FTYPE_PREFIX "Q4_1"; break;
case LLAMA_FTYPE_MOSTLY_Q5_0: name = LLAMA_FTYPE_PREFIX "Q5_0"; break;
@@ -767,6 +768,7 @@ llama_model_loader::llama_model_loader(
case GGML_TYPE_IQ3_S: ftype = LLAMA_FTYPE_MOSTLY_IQ3_S; break;
case GGML_TYPE_NVFP4: ftype = LLAMA_FTYPE_MOSTLY_NVFP4; break;
case GGML_TYPE_Q1_0: ftype = LLAMA_FTYPE_MOSTLY_Q1_0; break;
case GGML_TYPE_Q2_0: ftype = LLAMA_FTYPE_MOSTLY_Q2_0; break;
default:
{
LLAMA_LOG_WARN("%s: unknown type %s\n", __func__, ggml_type_name(type_max));