uniform deepspeed overflow check #5424
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Why not using tensor.isnan() and tensor.isinf()? |
tjruwase
reviewed
May 4, 2024
| '''Checks for overflow in gradient across parallel process''' | ||
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| def __init__(self, param_groups=None, mpu=None, zero_reduce_scatter=False, deepspeed=None): | ||
| def __init__(self, param_groups=None, mpu=None, zero_reduce_scatter=False, deepspeed=None, partition_grads=False): |
Contributor
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Passing deepseed engine into a submodule is not a good design and create all sorts of cyclic reference issues. It is better to pass the specific attributes that are needed, such as enable_backward_allreduce
tjruwase
reviewed
May 4, 2024
| timers = self.timers if self.wall_clock_breakdown() else NoopTimer() | ||
| optimizer = BF16_Optimizer(optimizer, | ||
| self.param_names, | ||
| deepspeed=self, |
Contributor
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Don't pass self into submodules.
tjruwase
reviewed
May 4, 2024
| self._setup_for_real_optimizer() | ||
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| # Overflow check init | ||
| self.overflow = False |
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Should self.overflow be a class member since it seems to be only used once?
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Before: Overflow check is scattered and duplicated in all places.
This PR:
cc @tjruwase