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foxhunt/docs
jgrusewski 995c473ad9 docs: GPU-resident PER sum-tree design
Approved design for moving Prioritized Experience Replay entirely to
GPU — flat priority array with parallel prefix-sum sampling, GPU-resident
ring buffer for experiences, async loss readback. Eliminates the last
major CPU bottleneck in the DQN training loop.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-02 23:40:57 +01:00
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