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3 Commits

Author SHA1 Message Date
jgrusewski
782633a47e refactor(F6/D7): contrarian Q-gap uses sign-flipped Q for consistent conviction 2026-04-20 21:10:44 +02:00
jgrusewski
56c5458008 fix: null pointer crash in increment_step_counters + wire PER rng_step 
Root cause: rng_step was passed as 0u64 (null) to increment_step_counters
kernel, causing atomicAdd on address 0 → CUDA_ERROR_ILLEGAL_ADDRESS →
cascading CUBLAS_STATUS_EXECUTION_FAILED on all subsequent operations.

Fixes:
- Replace all atomicAdd with plain writes (single-thread kernel)
- Add null guards for optional pointers (iqn_t, attn_t, rng_step)
- Allocate pinned device-mapped rng_step in GpuReplayBuffer
- Wire rng_step_dev_ptr from replay buffer to FusedTrainingCtx
- Remove stale atomicAdd comment

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-19 01:36:37 +02:00
jgrusewski
11b1a1ca9f fix: zen precommit — 2 criticals + 3 lows resolved 
CRITICAL: ISV+plan heads wired into submit_forward_ops_main (training).
CRITICAL: backtest single-step 3-branch→4-branch action encoding.
LOW: Remove dead bar_start_ns/bar_duration_ns from MicrostructureState.
LOW: Pre-allocated eps_host_buf replaces Vec allocation in hot path.
LOW: training_sharpe + val_loss added to metrics additional_metrics.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-17 02:05:20 +02:00