Files
whisper.cpp/ggml
Foad Abo Dahood 5b98494948 metal : fix idle threads in mul_mv_iq3_xxs for ne00 < 1024 (llama/28086)
* metal : fix half-idle simdgroup in kernel_mul_mv_iq3_xxs_f32 for ne00 < 1024

* metal : keep N_R0_IQ3_XXS = 4, dispatch a separate 8-row split kernel for ne00/32 < 32

The plain kernel is unchanged from master (4 rows per simdgroup, one thread per
chunk). The row-split mapping now lives in a separate kernel_mul_mv_iq3_xxs_f32_split
instantiation with N_R0_IQ3_XXS_SPLIT = 8, and the host selects it only when
ne00/32 < 32 and divides 32, so wide matrices keep the master kernel bit for bit.

* metal : select the iq3_xxs row split with a function constant instead of a separate kernel
2026-09-14 20:45:06 +03:00
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