cjolivier01 commented on a change in pull request #8340: Fill optimizations
URL: https://github.com/apache/incubator-mxnet/pull/8340#discussion_r146119887
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File path: src/operator/tensor/init_op.h
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@@ -164,19 +164,38 @@ inline bool InitStorageType(const nnvm::NodeAttrs& attrs,
return true;
}
+/*! \brief Fill output with a scalar integer value */
template<typename xpu, int value>
void FillCompute(const nnvm::NodeAttrs& attrs,
const OpContext& ctx,
const std::vector<TBlob>& inputs,
const std::vector<OpReqType>& req,
const std::vector<TBlob>& outputs) {
- using namespace mshadow;
- using namespace mshadow::expr;
- Stream<xpu> *s = ctx.get_stream<xpu>();
- MSHADOW_TYPE_SWITCH(outputs[0].type_flag_, DType, {
- Tensor<xpu, 1, DType> out = outputs[0].FlatTo1D<xpu, DType>(s);
- ASSIGN_DISPATCH(out, req[0], scalar<DType>(value));
- });
+ if (req[0] != kNullOp) {
+ mshadow::Stream<xpu> *s = ctx.get_stream<xpu>();
+ MSHADOW_TYPE_SWITCH(outputs[0].type_flag_, DType, {
+ mxnet_op::Kernel<mxnet_op::set_to<value>, xpu>::Launch(s,
Review comment:
op_with_req<> wrapper will handle this along with the other changes
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