Make lengths_host_.CopyFrom synced in LengthsCosineCoherenceOp and LengthsTileOp #10360
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…ngthsTileOp (pytorch#10360) Summary: Pull Request resolved: pytorch#10360 It seems `lengths_host_.CopyFrom(lengthsInput, &context_);` is asynchronous w.r.t. the host while `lengths_host_.CopyFrom(lengthsInput);` is synchronous. However, according to jerryzh168, `lengths_host_.CopyFrom(lengths, &context_); context_.FinishDeviceComputation();` is the safest way to guarantee synchronization. Reviewed By: jerryzh168 Differential Revision: D9197923 fbshipit-source-id: 47523ddc05f9f4eb9e288a4f0cf2625070777e9d
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…ngthsTileOp (pytorch#10360) Summary: Pull Request resolved: pytorch#10360 It seems `lengths_host_.CopyFrom(lengthsInput, &context_);` is asynchronous w.r.t. the host while `lengths_host_.CopyFrom(lengthsInput);` is synchronous. However, according to jerryzh168, `lengths_host_.CopyFrom(lengths, &context_); context_.FinishDeviceComputation();` is the safest way to guarantee synchronization. Reviewed By: jerryzh168 Differential Revision: D9197923 fbshipit-source-id: 827eb63d9d15c1274851e8301a793aed39d4fa6b
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Summary:
It seems
lengths_host_.CopyFrom(lengthsInput, &context_);is asynchronous w.r.t. the host whilelengths_host_.CopyFrom(lengthsInput);is synchronous.However, according to jerryzh168,
lengths_host_.CopyFrom(lengths, &context_); context_.FinishDeviceComputation();is the safest way to guarantee synchronization.Differential Revision: D9197923