torch.fx.experimental.symbolic_shapes.guard_size_oblivious¶
- torch.fx.experimental.symbolic_shapes.guard_size_oblivious(expr)[source]¶
Perform a guard on a symbolic boolean expression in a size oblivious way. This is typically used when a non-oblivious test would result in a guard on a data dependent value of which we don’t know the value of at compile time. When a guard is tested this way, we may diverge in behavior from how regular PyTorch semantics would treat it. For more information, see https://github.com/pytorch/pytorch/pull/118579
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