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ggml-cpu: add RVV repack GEMM and GEMV for quantization types (#19121)

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* ggml-cpu: add rvv ggml_quantize_mat_4x8 for q8_0

Co-authored-by: Rehan Qasim <rehan.qasim@10xengineers.ai>

* ggml-cpu: add rvv repacking for iq4_nl

* ggml-cpu: add generic impl for iq4_nl gemm/gemv

* ggml-cpu: add rvv repacking for q8_0

* ggml-cpu: refactor; add rvv repacking for q4_0, q4_K

* ggml-cpu: refactor; add rvv repacking for q2_K

Co-authored-by: Rehan Qasim <rehan.qasim@10xengineers.ai>

* ggml-cpu: refactor rvv repack

---------

Co-authored-by: Rehan Qasim <rehan.qasim@10xengineers.ai>
This commit is contained in:
Taimur Ahmad
2026-03-10 08:49:52 +02:00
committed by GitHub
co-authored by Rehan Qasim
parent 1a5631beaa
commit af237f3026
4 changed files with 2651 additions and 9 deletions
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ggml/src/ggml-cpu/arch-fallback.h
+2 -1
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@@ -202,8 +202,9 @@
#define ggml_vec_dot_iq4_xs_q8_K_generic ggml_vec_dot_iq4_xs_q8_K
#define ggml_vec_dot_mxfp4_q8_0_generic ggml_vec_dot_mxfp4_q8_0
// repack.cpp
#define ggml_quantize_mat_q8_0_4x1_generic ggml_quantize_mat_q8_0_4x1
#define ggml_quantize_mat_q8_0_4x4_generic ggml_quantize_mat_q8_0_4x4
#define ggml_quantize_mat_q8_0_4x8_generic ggml_quantize_mat_q8_0_4x8
#define ggml_quantize_mat_q8_K_4x1_generic ggml_quantize_mat_q8_K_4x1
#define ggml_quantize_mat_q8_K_4x4_generic ggml_quantize_mat_q8_K_4x4
#define ggml_quantize_mat_q8_K_4x8_generic ggml_quantize_mat_q8_K_4x8
#define ggml_gemv_q4_0_4x4_q8_0_generic ggml_gemv_q4_0_4x4_q8_0