Zyphra ships ZYFA: FP8 attention on AMD MI355X at 1.16-1.76x AITER throughput

bclavie · x · 2026-11-06

Zyphra introduced Zyphra FlashAttention (ZYFA), delivering faster and more accurate FP8 attention on AMD MI355X. Its prefill kernels achieve 1.16–1.76x the throughput of AMD's inference kernel library AITER on real model inputs at 16K tokens under sustained load.

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