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[AMP] Add use_warning check by GPU Compute Capability of amp #38086

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Dec 15, 2021
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[AMP] Add use_warning check by GPU Compute Capability of amp #38086

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7 changes: 7 additions & 0 deletions python/paddle/fluid/dygraph/amp/auto_cast.py
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Original file line number Diff line number Diff line change
Expand Up @@ -218,6 +218,13 @@ def amp_guard(enable=True,
% tracer._expected_place)
enable = False

if tracer._expected_place.is_gpu_place():
prop = paddle.device.cuda.get_device_capability()
if prop[0] < 7:
warnings.warn(
"AMP only support NVIDIA GPU with Compute Capability 7.0 or higher, current GPU is: %s, with Compute Capability: %d.%d."
% (paddle.device.cuda.get_device_name(), prop[0], prop[1]))

if level == 'O1':
amp_level = AMP_LEVEL.O1
_white_list = WHITE_LIST
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