Always avoid CPU blocking D2H in JaggedIndexSelect2dOp backward #2510
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Summary: Since the value of `num_dense_output_rows` has been computed in forward. Directly save this number (not optional) in context and reuse it to avoid D2H syncs in backward. Differential Revision: D56212536
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This pull request was exported from Phabricator. Differential Revision: D56212536 |
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This pull request has been merged in f052e98. |
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Summary: Since the value of
num_dense_output_rowshas been computed in forward. Directly save this number (not optional) in context and reuse it to avoid D2H syncs in backward.Differential Revision: D56212536