Files
foxhunt/crates
jgrusewski fde5511338 feat(per-horizon-cfc): add heads_block_diagonal_fwd.cu (compact ragged w_skip)
Per spec §5.4 point 2. heads_w_skip storage 5× reduced (640→128 floats).
Each horizon reads only its bucket via offset lookup. Block-tree reduction
(padded to 32 lanes for clean halving stride), no atomicAdd.

GPU oracle test matches naive per-horizon computation (tol 1e-5) on sm_86.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 16:04:29 +02:00
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