Files
LocalAI/backend/cpp
Ettore Di Giacinto be65438eac docs(paged): record MoE-prefill engine-gap decomposition + GEMM-port negatives (default-off)
nsys cross-engine decomposition: the MoE prefill 64% gap vs vLLM is engine plumbing, not the kernel (GPU 97% busy, 443 vs 197 us/tok). Three buckets: per-expert W4A4 M-fragmentation (58%), GDN scan (24%), f32<->bf16 casts (15%). Offline-repack (0045) and verbatim vLLM-marlin port both trail FP4-MMQ via wrapper overhead, kept default-off as recorded negatives.

Assisted-by: Claude:opus-4.8 [Claude Code]
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
2026-06-29 17:20:07 +00:00
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