sleepy/llama.cpp
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ggml: add Q1_0 1-bit quantization support (CPU) (#21273)

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* ggml: add Q1_0 and Q1_0_g128 1-bit quantization support (CPU)

* add generic fallback for x86

* remove Q1_0 (group size 32)

* rename Q1_0_g128 => Q1_0

* fix Q1_0 LlamaFileType Enum

* Fix trailing spaces; add generic fallback for othre backends

* Apply suggestions from code review

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* fix /r/n spacing + arch-fallback

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
This commit is contained in:
Pasha Khosravi
2026-04-06 11:55:21 -07:00
committed by GitHub
parent 506200cf8b
commit 2e1f0a889e
21 changed files with 285 additions and 5 deletions
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src/llama-quant.cpp
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@@ -799,6 +799,7 @@ ggml_type llama_ftype_get_default_type(llama_ftype ftype) {
case LLAMA_FTYPE_MOSTLY_F16: return GGML_TYPE_F16;
case LLAMA_FTYPE_MOSTLY_BF16: return GGML_TYPE_BF16;
case LLAMA_FTYPE_ALL_F32: return GGML_TYPE_F32;
case LLAMA_FTYPE_MOSTLY_Q1_0: return GGML_TYPE_Q1_0;
case LLAMA_FTYPE_MOSTLY_MXFP4_MOE: return GGML_TYPE_MXFP4;