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AutoBatch protect from negative batch sizes #9048

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Merged
merged 5 commits into from
Aug 20, 2022
Merged

AutoBatch protect from negative batch sizes #9048

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818bacf
AutoBatch protect from negative batch sizes
glenn-jocher Aug 20, 2022
dced7c0
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 20, 2022
7d2e3a7
cleanup
glenn-jocher Aug 20, 2022
9cac33d
Merge remote-tracking branch 'origin/glenn-jocher-patch-1' into glenn…
glenn-jocher Aug 20, 2022
d978477
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 20, 2022
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3 changes: 3 additions & 0 deletions utils/autobatch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,9 @@ def autobatch(model, imgsz=640, fraction=0.9, batch_size=16):
i = results.index(None) # first fail index
if b >= batch_sizes[i]: # y intercept above failure point
b = batch_sizes[max(i - 1, 0)] # select prior safe point
if b < 1: # zero or negative batch size
b = 16
LOGGER.warning(f'{prefix}WARNING: ⚠️ CUDA anomaly detected, recommend restart environment and retry command.')

fraction = np.polyval(p, b) / t # actual fraction predicted
LOGGER.info(f'{prefix}Using batch-size {b} for {d} {t * fraction:.2f}G/{t:.2f}G ({fraction * 100:.0f}%) ✅')
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