Lazy import tensorboard #15762
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Lazy import tensorboard #15762
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carmocca
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justusschock and
williamFalcon
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Borda
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Nov 22, 2022
Borda
reviewed
Nov 22, 2022
| if _TENSORBOARD_AVAILABLE: | ||
| from torch.utils.tensorboard.summary import hparams | ||
| else: | ||
| from tensorboardX.summary import hparams # type: ignore[no-redef] |
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how many times is this called per epoch?
Borda
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Nov 22, 2022
awaelchli
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Nov 22, 2022
akihironitta
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Nov 23, 2022
Borda
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Nov 23, 2022
| _TENSORBOARDX_AVAILABLE = RequirementCache("tensorboardX") | ||
| if TYPE_CHECKING: | ||
| # assumes at least one will be installed when type checking | ||
| if _TENSORBOARD_AVAILABLE: |
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this is opposite what @lantiga said in #15728 (comment) 🦦
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Nov 23, 2022
| sub_dir: Optional[_PATH] = None, | ||
| **kwargs: Any, | ||
| ): | ||
| if not _TENSORBOARD_AVAILABLE and not _TENSORBOARDX_AVAILABLE: |
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this won't happen as TBX is mandatory depenency
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What does this PR do?
Avoids importing tensorboard unless the logger is used.
Part of #12786
Part of #15662
Does your PR introduce any breaking changes? If yes, please list them.
None
cc @awaelchli @Borda @akihironitta