Flash attn backend seam - #16

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eric-tc-wong wants to merge 3 commits into

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flash-attn-backend-seam

Commits on Jul 31, 2026

Add a backend seam so ring attention can target FA2 or flash-attn-4

eric-tc-wong
and
claude
committed
e443eb4
Add a flash-attn-3 backend

eric-tc-wong
and
claude
committed
937c703
Fix the fa3 build-flag guard, and make the CPU tests actually run

eric-tc-wong
and
claude
committed
f86553e