cjolivier01 commented on a change in pull request #10090: [MXNET-86] Revert to 
pre-profile-changes copy code
URL: https://github.com/apache/incubator-mxnet/pull/10090#discussion_r174300231
 
 

 ##########
 File path: src/ndarray/ndarray_function.cc
 ##########
 @@ -26,35 +26,24 @@
 #include "./ndarray_function.h"
 #include "./ndarray_function-inl.h"
 #include "../common/utils.h"
-#include "../operator/mxnet_op.h"
 
 namespace mxnet {
 namespace ndarray {
 template<>
 void Copy<cpu, cpu>(const TBlob &from, TBlob *to,
                     Context from_ctx, Context to_ctx,
                     RunContext ctx) {
-  using namespace mxnet::op;
   MSHADOW_TYPE_SWITCH(to->type_flag_, DType, {
     if (to->type_flag_ == from.type_flag_) {
-      TBlob dest = to->FlatTo1D<cpu, DType>();
-      TBlob src = from.FlatTo1D<cpu, DType>();
-      const size_t size = src.Size();
-      if (dest.CheckContiguous() && src.CheckContiguous() && size >= 20000 /* 
non-trivial size */) {
-        CHECK_EQ(dest.shape_, src.shape_)
-          << "Copy:shape mismatch:" << dest.shape_ << " vs " << src.shape_;
-          mxnet_op::Kernel<mxnet_op::op_with_req<mshadow_op::identity, 
kWriteTo>, cpu>::Launch(
-            ctx.get_stream<cpu>(), src.Size(), dest.dptr<DType>(), 
src.dptr<DType>());
 
 Review comment:
   I think the fork doesn't play nicely with libgomp in this codepath because 
it works fine when linked against mkl, which uses libiomp5.  Or if you build 
with cmake, which builds and links against Intel omp (in 3rdparty), it works 
fine.

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


With regards,
Apache Git Services

Reply via email to