Open source · 7 November 2026
Available now

Zyphra releases ZYFA FP8 FlashAttention kernels, up to 1.76× faster on AMD MI355X

ZYFA provides open‑source FP8 and BF16 prefill attention kernels for AMD Instinct MI355X, running 1.16‑1.76× faster than AMD’s AITER and delivering 62‑78% lower error at head dimension 128.

Benchmarks are the company's own; not independently verified.

Why it matters

Incorporate ZYFA’s FP8 speedup (up to 1.76×) into product roadmaps for AMD‑based inference services to meet performance targets.

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