pengzhao-intel commented on a change in pull request #15637: Fix _copy_to on
MKLDNN backend
URL: https://github.com/apache/incubator-mxnet/pull/15637#discussion_r306158978
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File path: src/imperative/imperative_utils.h
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@@ -419,7 +419,7 @@ inline void PushFCompute(const FCompute& fn,
// mapping from index in input_blobs to index in pre_temp_dst
std::unordered_map<uint32_t, uint32_t> in_temp_idx_map;
#if MXNET_USE_MKLDNN == 1
- InvalidateOutputs(outputs, req);
+ if (exec_type != ExecType::kCrossDeviceCopy) InvalidateOutputs(outputs,
req);
Review comment:
Any other types in here?
Could you add some comments?
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