ggml-cpu: arm64: Q4_K repack (i8mm) scale unroll and vectorization#19108
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ggerganov merged 1 commit intoggml-org:masterfrom Jan 28, 2026
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ggml-cpu: arm64: Q4_K repack (i8mm) scale unroll and vectorization#19108ggerganov merged 1 commit intoggml-org:masterfrom
ggerganov merged 1 commit intoggml-org:masterfrom
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While working on #18860 I found out a small perf optimization when loading the subblock scales.
Behavior unchanged, it's a manual unroll + vectorization.
Llama-bench:
No changes observed in the perplexities for Qwen3 8B 128K Q4_K_M and lfm2 1.2B Q4_K_M
cc: @tdakhran