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Fix AMP check tolerance #7937

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Merged
merged 1 commit into from
May 23, 2022
+3 −3
Merged

Fix AMP check tolerance #7937

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6 changes: 3 additions & 3 deletions utils/general.py
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Original file line number Diff line number Diff line change
Expand Up @@ -520,10 +520,10 @@ def check_amp(model):
LOGGER.warning(emojis(f'{prefix}checks skipped ⚠️, not online.'))
return True
m = AutoShape(model, verbose=False) # model
a = m(im).xyxy[0] # FP32 inference
a = m(im).xywhn[0] # FP32 inference
m.amp = True
b = m(im).xyxy[0] # AMP inference
if (a.shape == b.shape) and torch.allclose(a, b, atol=1.0): # close to 1.0 pixel bounding box
b = m(im).xywhn[0] # AMP inference
if (a.shape == b.shape) and torch.allclose(a, b, atol=0.05): # close to 5% absolute tolerance
LOGGER.info(emojis(f'{prefix}checks passed ✅'))
return True
else:
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