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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

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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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tools/quantize/quantize.cpp
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@@ -29,6 +29,7 @@ struct quant_option {
};
static const std::vector<quant_option> QUANT_OPTIONS = {
{ "Q1_0", LLAMA_FTYPE_MOSTLY_Q1_0, " 1.125 bpw quantization", },
{ "Q4_0", LLAMA_FTYPE_MOSTLY_Q4_0, " 4.34G, +0.4685 ppl @ Llama-3-8B", },
{ "Q4_1", LLAMA_FTYPE_MOSTLY_Q4_1, " 4.78G, +0.4511 ppl @ Llama-3-8B", },
{ "MXFP4_MOE",LLAMA_FTYPE_MOSTLY_MXFP4_MOE," MXFP4 MoE", },