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[cherry-pick] Fix indices (#47190) #47226

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Oct 25, 2022
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6 changes: 5 additions & 1 deletion paddle/phi/infermeta/sparse/unary.cc
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,11 @@ namespace phi {
namespace sparse {

void IndicesInferMeta(const MetaTensor& x, MetaTensor* out) {
out->set_dims({-1});
// TODO(zhangkaihuo) Currently, we cannot get sparse_dim from tensor.
// correct shape is: shape[0] = x.sparse_dim()
// In the 3D point cloud model:
// the input x is 5-D tensor, non_zero_elements is 1-D tensor
out->set_dims({x.dims().size() - 1, -1});
out->set_dtype(DataType::INT32);
out->set_layout(DataLayout::NCHW);
}
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