szha commented on issue #9571: ACCURACY IS USING NUMPY, URGENT FIX URL: https://github.com/apache/incubator-mxnet/issues/9571#issuecomment-374394786 The blocking ensures that computation of next batch doesn't start before the computation of the current batch finishes. Without the blocking, in the current logic, imperative execution will continue by allocating new memory for new batch rather than reusing the memory.
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