avoid synced copy in tensor pool #2514
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Summary: index select will implicitly move the indices to device if it was in CPU. However, this copy would be blocking. An additional improvement we could do is to make sure indices tensor is on pinned memory. Differential Revision: D64840859
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Summary:
index select will implicitly move the indices to device if it was in CPU. However, this copy would be blocking.
An additional improvement we could do is to make sure indices tensor is on pinned memory.
Differential Revision: D64840859