提交 af3ff422 编写于 作者: W Wojciech Uss 提交者: Tao Luo

Fix dst memory allocation in elementwise_add (#21059)

test=develop
上级 26a6e27a
......@@ -43,7 +43,6 @@ class EltwiseAddMKLDNNKernel : public framework::OpKernel<T> {
auto* z = ctx.Output<Tensor>("Out");
const T* x_data = x->data<T>();
const T* y_data = y->data<T>();
T* z_data = z->mutable_data<T>(ctx.GetPlace());
int axis = ctx.Attr<int>("axis");
......@@ -92,6 +91,7 @@ class EltwiseAddMKLDNNKernel : public framework::OpKernel<T> {
_x.ShareDataWith(*x);
}
z->mutable_data<T>(ctx.GetPlace());
auto sum_func = [](T a, T b) -> T { return a + b; };
TransformFunctor<decltype(sum_func), T,
......@@ -155,6 +155,9 @@ class EltwiseAddMKLDNNKernel : public framework::OpKernel<T> {
auto sum_pd = handler.AcquireSumPrimitiveDescriptor(
{src_x_memory, src_y_memory}, scales, dst_md);
T* z_data = z->mutable_data<T>(ctx.GetPlace(),
sum_pd->dst_primitive_desc().get_size());
auto dst_memory = handler.AcquireDstMemoryFromPrimitive(z_data);
std::vector<primitive::at> inputs({*src_x_memory, *src_y_memory});
......
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