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solve slice inplace illegal memory address bug #34265

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Merged
wzzju merged 1 commit into from
Jul 21, 2021
Merged

solve slice inplace illegal memory address bug #34265

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12 changes: 1 addition & 11 deletions paddle/fluid/operators/slice_op.h
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Original file line number Diff line number Diff line change
Expand Up @@ -391,17 +391,7 @@ class SliceGradKernel : public framework::OpKernel<T> {
}
}

if (need_pad_num == 0) {
// do not need padding, pass if data address same, else copy
if (d_input->mutable_data<T>(context.GetPlace()) == d_out->data<T>()) {
// inplace, do not any operator, pass
} else {
framework::TensorCopy(
*d_out, context.GetPlace(),
context.template device_context<platform::DeviceContext>(),
d_input);
}
} else if (need_pad_num == 1) {
if (need_pad_num == 1) {
// only need padding one dimension, we can reduce dimension.
// only the padding dimension is available for us.
// How to reduce dimension(5 to 3 for example):
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