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updating with main #9

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Merged
visorcraft merged 6 commits into from
Mar 2, 2026
Merged

updating with main #9

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3191462
vulkan: improve partial offloading performance on AMD (#19976)
0cc4m Mar 1, 2026
2afcdb9
ggml-cpu: optimise s390x multiply extend instructions (#20032)
taronaeo Mar 2, 2026
ec88c3c
scripts : improve get-wikitext-2.sh (#19952)
angt Mar 2, 2026
feefb92
vulkan: tune MMVQ for Intel Windows (#19988)
0cc4m Mar 2, 2026
36a7a65
ggml-webgpu: Support non-contiguous `src0` and overlapping `src0/src1…
yomaytk Mar 2, 2026
4d828bd
ggml webgpu: Clean up per-thread parameter buffer pool and job submis…
nikhilJain17 Mar 2, 2026
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18 changes: 8 additions & 10 deletions ggml/src/ggml-cpu/arch/s390/quants.c
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Original file line number Diff line number Diff line change
Expand Up @@ -181,11 +181,11 @@ void ggml_vec_dot_q4_0_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const voi
const int8x16_t v_yh = vec_xl(QK8_0/2, y[ib].qs);

const int16x8_t v_xylso = vec_mulo(v_xls, v_yl);
const int16x8_t v_xylse = vec_mule(v_xls, v_yl);
const int16x8_t v_xyl = vec_meadd(v_xls, v_yl, v_xylso);
const int16x8_t v_xyhso = vec_mulo(v_xhs, v_yh);
const int16x8_t v_xyhse = vec_mule(v_xhs, v_yh);
const int16x8_t v_xyh = vec_meadd(v_xhs, v_yh, v_xyhso);

int16x8_t v_xy_ = v_xylso + v_xylse + v_xyhso + v_xyhse; v_xy_ += vec_reve(v_xy_);
int16x8_t v_xy_ = v_xyl + v_xyh; v_xy_ += vec_reve(v_xy_);

const float32x4_t v_xy = vec_float(vec_unpackh(v_xy_));
const float32x4_t v_d = vec_splats(GGML_CPU_FP16_TO_FP32(x[ib].d) * GGML_CPU_FP16_TO_FP32(y[ib].d));
Expand Down Expand Up @@ -890,8 +890,7 @@ void ggml_vec_dot_q4_K_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const voi
const int16x8_t v_minsh = (int16x8_t)vec_unpackh((uint8x16_t)v_mins8);

const int32x4_t v_minso = vec_mulo(v_ysums, v_minsh);
const int32x4_t v_minse = vec_mule(v_ysums, v_minsh);
const int32x4_t v_mins = v_minso + v_minse;
const int32x4_t v_mins = vec_meadd(v_ysums, v_minsh, v_minso);
sumf -= dmin * (v_mins[0] + v_mins[1] + v_mins[2] + v_mins[3]);

const uint8_t * scales = (const uint8_t *)utmp;
Expand Down Expand Up @@ -1004,8 +1003,7 @@ void ggml_vec_dot_q5_K_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const voi
const int16x8_t v_minsh = (int16x8_t)vec_unpackh(v_mins8);

const int32x4_t v_minsho = vec_mulo(v_ysums, v_minsh);
const int32x4_t v_minshe = vec_mule(v_ysums, v_minsh);
const int32x4_t v_mins = vec_add(v_minsho, v_minshe);
const int32x4_t v_mins = vec_meadd(v_ysums, v_minsh, v_minsho);
const int32_t mins = vec_hsum_i32x4(v_mins);

const uint8_t * scales = (const uint8_t *)utmp;
Expand Down Expand Up @@ -1110,10 +1108,10 @@ void ggml_vec_dot_q6_K_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const voi
const int16x8_t v_scaleh = vec_unpackl(v_scale);

const int32x4_t v_minslo = vec_mulo(v_ysumsl, v_scalel);
const int32x4_t v_minsle = vec_mule(v_ysumsl, v_scalel);
const int32x4_t v_minsl = vec_meadd(v_ysumsl, v_scalel, v_minslo);
const int32x4_t v_minsho = vec_mulo(v_ysumsh, v_scaleh);
const int32x4_t v_minshe = vec_mule(v_ysumsh, v_scaleh);
const int32x4_t v_mins = v_minslo + v_minsle + v_minsho + v_minshe;
const int32x4_t v_minsh = vec_meadd(v_ysumsh, v_scaleh, v_minsho);
const int32x4_t v_mins = vec_add(v_minsl, v_minsh);

const int32_t mins = vec_hsum_i32x4(v_mins);

Expand Down
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