piiswrong commented on a change in pull request #10315: [MXNET-249] Add inplace
support to mkldnn sum
URL: https://github.com/apache/incubator-mxnet/pull/10315#discussion_r178621496
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File path: src/operator/nn/mkldnn/mkldnn_sum.cc
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@@ -49,23 +49,42 @@ void Sum(const mkldnn::memory &arr1, const mkldnn::memory
&arr2,
void MKLDNNSumForward(const nnvm::NodeAttrs& attrs, const OpContext &ctx,
const std::vector<NDArray> &inputs, const OpReqType &req,
const NDArray &out_data) {
+ if (req == kNullOp) {
+ return;
+ }
+
TmpMemMgr::Get()->Init(ctx.requested[0]);
std::vector<mkldnn::primitive::at> in_prims;
std::vector<mkldnn::memory::primitive_desc> in_pds(inputs.size());
std::vector<float> scales(inputs.size(), 1);
in_prims.reserve(inputs.size());
+ bool pd_same = true;
for (size_t i = 0; i < inputs.size(); i++) {
auto in_mem = inputs[i].GetMKLDNNData();
in_prims.push_back(*in_mem);
in_pds[i] = in_mem->get_primitive_desc();
+ // pd_same = pd_same && (in_pds[i] == in_pds[0]);
Review comment:
please remove the code instead of commenting it out
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