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fix pybind11 errors in cuda extension example #113

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Jun 13, 2025
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fix pybind11 errors in cuda extension example #113

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8 changes: 5 additions & 3 deletions extension_cpp/csrc/cuda/muladd.cu
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
#include <torch/extension.h>
#include <ATen/Operators.h>
#include <torch/all.h>
#include <torch/library.h>

#include <cuda.h>
#include <cuda_runtime.h>
Expand All @@ -18,7 +20,7 @@ at::Tensor mymuladd_cuda(const at::Tensor& a, const at::Tensor& b, double c) {
TORCH_INTERNAL_ASSERT(b.device().type() == at::DeviceType::CUDA);
at::Tensor a_contig = a.contiguous();
at::Tensor b_contig = b.contiguous();
at::Tensor result = torch::empty(a_contig.sizes(), a_contig.options());
at::Tensor result = at::empty(a_contig.sizes(), a_contig.options());
const float* a_ptr = a_contig.data_ptr<float>();
const float* b_ptr = b_contig.data_ptr<float>();
float* result_ptr = result.data_ptr<float>();
Expand All @@ -41,7 +43,7 @@ at::Tensor mymul_cuda(const at::Tensor& a, const at::Tensor& b) {
TORCH_INTERNAL_ASSERT(b.device().type() == at::DeviceType::CUDA);
at::Tensor a_contig = a.contiguous();
at::Tensor b_contig = b.contiguous();
at::Tensor result = torch::empty(a_contig.sizes(), a_contig.options());
at::Tensor result = at::empty(a_contig.sizes(), a_contig.options());
const float* a_ptr = a_contig.data_ptr<float>();
const float* b_ptr = b_contig.data_ptr<float>();
float* result_ptr = result.data_ptr<float>();
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