15 lines
574 B
Python
15 lines
574 B
Python
# Copyright (c) ModelScope Contributors. All rights reserved.
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import os
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def try_use_single_device_mode():
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if os.environ.get('SWIFT_SINGLE_DEVICE_MODE', '0') == '1':
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visible_devices = os.environ.get('CUDA_VISIBLE_DEVICES')
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local_rank = os.environ.get('LOCAL_RANK')
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if local_rank is None or not visible_devices:
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return
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visible_devices = visible_devices.split(',')
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visible_device = visible_devices[int(local_rank)]
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os.environ['CUDA_VISIBLE_DEVICES'] = str(visible_device)
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os.environ['LOCAL_RANK'] = '0'
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