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Avoid memory copy for dropout inference #15521

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Jul 15, 2019
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Avoid memory copy for dropout inference #15521

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27ff1af
fix dropout for inference
TaoLv May 22, 2019
a2a61a4
Merge branch 'master' of https://github.com/apache/incubator-mxnet in…
TaoLv Jul 12, 2019
5966fdc
retrigger ci
wkcn Jul 13, 2019
8565fb2
retrigger CI
wkcn Jul 14, 2019
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2 changes: 2 additions & 0 deletions src/operator/nn/dropout-inl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -398,6 +398,8 @@ class DropoutOp {
}
}
} else {
if (req[dropout::kOut] == kWriteInplace) return;

MXNET_ASSIGN_REQ_SWITCH(req[dropout::kOut], Req, {
mxnet_op::Kernel<mxnet_op::op_with_req<mshadow_op::identity, Req>, xpu>::Launch(
s, out.Size(), out.dptr<DType>(), in.dptr<DType>());
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