Created
May 20, 2020 14:13
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| import torch_xla.distributed.xla_multiprocessing as xmp | |
| SERIAL_EXEC = xmp.MpSerialExecutor() | |
| def _mp_fn(_): | |
| def _serial_fn(): | |
| import time | |
| print(f'rank {xm.get_ordinal()} start at {time.time()}') | |
| time.sleep(5) | |
| print(f'rank {xm.get_ordinal()} done at {time.time()}') | |
| SERIAL_EXEC.run(_serial_fn) | |
| xmp.spawn(_mp_fn, nprocs=8, start_method='fork') |
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