Introduce torch_xla.launch() #7648
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will-cromar
reviewed
Jul 11, 2024
will-cromar
reviewed
Jul 11, 2024
will-cromar
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Jul 12, 2024
| dist.init_process_group('xla', init_method='xla://') | ||
| super().__init__() |
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nit: should the super init stay at the top?
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No, super().__init__() will call some functions from runtime, which needs init the TPU backend first.
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Draft of using
torch_xla.launch()fortorchrunandxmp.spawn()Unify
_mp_fn(xu.getenv_as(xenv.LOCAL_RANK, int), FLAGS)(call with torchrun) orxmp.spawn(_mp_fn, args=(FLAGS,), nprocs=FLAGS.num_cores)with