[Autotuner] Add crash recovery bash script for unrecoverable CUDA errors#1922
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yf225 wants to merge 1 commit intoyf225/stack/90from
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[Autotuner] Add crash recovery bash script for unrecoverable CUDA errors#1922yf225 wants to merge 1 commit intoyf225/stack/90from
yf225 wants to merge 1 commit intoyf225/stack/90from
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Add scripts/autotune_with_crash_recovery.sh — a bash wrapper that
automatically recovers from CUDA errors (illegal memory access,
misaligned address, etc.) that poison the GPU context and kill the
autotuning process.
How it works:
- Before each benchmark, the autotuner writes the current config to a
pending file (_pending_config.txt) in the checkpoint directory
- If a CUDA error kills the process, the pending file survives on disk
- The bash script detects it, appends the poison config to
_bad_configs.txt, and re-launches the command from scratch
- On re-launch, the autotuner loads its checkpoint + bad configs list,
skips the poison config, and continues searching
Usage:
scripts/autotune_with_crash_recovery.sh \
--checkpoint-dir /tmp/ckpt -- python train.py
stack-info: PR: #1922, branch: yf225/stack/92
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Stacked PRs:
[Autotuner] Add crash recovery bash script for unrecoverable CUDA errors
Add scripts/autotune_with_crash_recovery.sh — a bash wrapper that
automatically recovers from CUDA errors (illegal memory access,
misaligned address, etc.) that poison the GPU context and kill the
autotuning process.
How it works:
pending file (_pending_config.txt) in the checkpoint directory
_bad_configs.txt, and re-launches the command from scratch
skips the poison config, and continues searching
Usage:
scripts/autotune_with_crash_recovery.sh
--checkpoint-dir /tmp/ckpt -- python train.py