Llama cpp metal moe optimization

Reddit r/LocalLLaMA Tools

Summary

A developer shared a Metal optimization for llama.cpp that improves decode speed for IQ3_XXS models on Apple Silicon, with a GitHub pull request and a request for community testing.

I made a llama.cpp Metal optimization that gives a nice decode speedup for IQ3_XXS models on Apple Silicon: https://github.com/ggml-org/llama.cpp/pull/28086 Basically on On my test workload I saw decode go from about 65.6 → 73.9 tok/s for tiel coder 35B A3B Would love if you guys could try it and share before/after numbers. I also have a follow-up coming soon that should improve prefill too.
Original Article

Similar Articles

Llama.cpp PR 8% speed boost

Reddit r/LocalLLaMA

A llama.cpp PR moves sampling from CPU to GPU, yielding 8% faster tokens on an RTX 5090 and ~4% on a Tesla P40 for Qwen3.6-35B inference.