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feat(attention): 2D Ulysses+Ring custom attention with fixed-m (pre-a2a norm reduction, unpadded ring K/V) - #478

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feat/ring-attention

Oct 26, 2026

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feat(attention): 2D Ulysses+Ring custom attention with fixed-m (pre-a2a norm reduction, unpadded ring K/V)#478
copybara-service[bot] merged 2 commits into
mainfrom
feat/ring-attention

Commits on Oct 26, 2026
- fix(attention): dot-product fallback layout for 4-D inputs; tile_size_grid_search iters/bkv_compute guards
  Perseus14
  committed
  7a9d3c3
- feat(attention): 2D Ulysses+Ring custom attention with fixed-m (pre-a2a norm reduction, unpadded ring K/V)
  Perseus14
  committed
  0632af1