Files
foxhunt/crates/ml/src
jgrusewski 3dde6d285c feat(cuda): GPU-resident action routing in select_actions_batch_gpu
Wire route_exposure_to_factored() into both select_actions_batch_gpu
and select_actions_batch GPU paths, eliminating per-item CPU routing.
Previously, exposure indices (0-4) were downloaded from GPU and routed
to factored indices (0-44) one-by-one on CPU via route_action(). Now
the exposure→factored mapping runs entirely on GPU via the routing
kernel, with a single batch readback of the final factored indices.

Branching DQN path unchanged (already produces factored indices 0-44).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-10 15:49:40 +01:00
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