Optimize performance of advanced getitem #60254
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zoooo0820
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Wanglongzhi2001
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Jan 7, 2024
* replace broadcast_tensors to expand * static mode still use broadcast-tensors, since dynamic shape -1 cannot be compared * optimize bool index getting
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PR types
Performance optimization
PR changes
Others
Description
Pcard-66985
This PR optimize the advanced index
__getitem__performance.For int tensor case: replacing the slow
broadcast_tensorstobroadcast_shapeandexpand. It will be much faster in case no need broadcast, and faster thanbroadcast_tensors.For bool tensor case: replacing the
nonzero+gather_ndtomasked_selectsince the latter one is much faster. Moreover, the all-dtype support is added for kernelMaskedSelectandMaskedSelectedGrad