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fix trace offset out of shape #33922

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Merged
XiaoguangHu01 merged 1 commit into from
Jul 2, 2021
Merged

fix trace offset out of shape #33922

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4 changes: 4 additions & 0 deletions paddle/fluid/operators/trace_op.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

#include <thrust/device_vector.h>
#include <thrust/host_vector.h>
#include "paddle/fluid/operators/math/math_function.h"
#include "paddle/fluid/operators/reduce_ops/cub_reduce.h"
#include "paddle/fluid/operators/trace_op.h"

Expand Down Expand Up @@ -50,6 +51,9 @@ class TraceCUDAKernel : public framework::OpKernel<T> {
TensorReduce<T, T, cub::Sum, IdentityFunctor>(
diag, out, reduce_dims, static_cast<T>(0), cub::Sum(),
IdentityFunctor(), stream);
} else {
math::SetConstant<DeviceContext, T> functor;
functor(context.device_context<DeviceContext>(), out, static_cast<T>(0));
}
}
};
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4 changes: 3 additions & 1 deletion paddle/fluid/operators/trace_op.h
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Expand Up @@ -179,7 +179,7 @@ class TraceKernel : public framework::OpKernel<T> {

auto output_dims = out->dims();

out->mutable_data<T>(context.GetPlace());
T* out_data = out->mutable_data<T>(context.GetPlace());

const framework::Tensor diag =
Diagonal<DeviceContext, T>(context, input, offset, dim1, dim2);
Expand All @@ -191,6 +191,8 @@ class TraceKernel : public framework::OpKernel<T> {
auto reduce_dim = Eigen::array<int, 1>({1});
output.device(place) = x.sum(reduce_dim);
out->Resize(output_dims);
} else {
std::fill(out_data, out_data + out->numel(), static_cast<T>(0));
}
}
};
Expand Down