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提交 c4cf5967 编写于 作者: M minqiyang
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Change backward op infershape 

test=develop
上级 bc3e0d6e
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paddle/fluid/operators/expand_op.cc
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...@@ -115,7 +115,7 @@ class ExpandGradOp : public framework::OperatorWithKernel { ...@@ -115,7 +115,7 @@ class ExpandGradOp : public framework::OperatorWithKernel {
auto out_dims = ctx->GetInputDim(framework::GradVarName("Out")); auto out_dims = ctx->GetInputDim(framework::GradVarName("Out"));
size_t start_pos = 0u; size_t start_pos = 0u;
if (!ctx->IsRuntime()) { if (!ctx->IsRuntime() && x_dims[0] < 0) {
PADDLE_ENFORCE_EQ( PADDLE_ENFORCE_EQ(
x_dims[0], out_dims[0], x_dims[0], out_dims[0],
"The first dimension size of Input(Out@GRAD) should be " "The first dimension size of Input(Out@GRAD) should be "
......
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