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[ROCm] Extend the gfx950 extend-attention tile to head_dim <= 128: -43% kernel, -14% TTFT, bit-identical - #34461

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alexnails merged 1 commit into
sgl-project:mainfrom
alexnails:perf/gfx950-extend-attn-headdim64
Aug 24, 2026
Merged

alexnails merged 1 commit into
sgl-project:mainfrom
alexnails:perf/gfx950-extend-attn-headdim64

[ROCm] Extend the gfx950 extend-attention tile tuning to head_dim <= 128

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succeeded Aug 24, 2026 in 6s