Files
foxhunt/crates
jgrusewski e32afd62fb cleanup: remove all H100 diagnostic eprintln and step-0 syncs
Removed 19 diagnostic eprintln + 7 stream.synchronize() calls that were
added during H100 hang debugging. All hang root causes are now fixed:
- grad_norm atomicAdd → two-phase reduction
- vaccine dot+norm atomicAdd → two-phase reduction
- C51 mixup spin-wait barrier → split into two kernels

Zero diagnostic overhead in the training hot loop.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-06 22:30:08 +02:00
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