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20 lines
716 B
C++
20 lines
716 B
C++
#include <torch/torch.h>
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// Declare the function from cuda_extension.cu. It will be compiled
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// separately with nvcc and linked with the object file of cuda_extension.cpp
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// into one shared library.
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void sigmoid_add_cuda(const float* x, const float* y, float* output, int size);
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at::Tensor sigmoid_add(at::Tensor x, at::Tensor y) {
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AT_CHECK(x.type().is_cuda(), "x must be a CUDA tensor");
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AT_CHECK(y.type().is_cuda(), "y must be a CUDA tensor");
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auto output = at::zeros_like(x);
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sigmoid_add_cuda(
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x.data<float>(), y.data<float>(), output.data<float>(), output.numel());
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return output;
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}
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PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
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m.def("sigmoid_add", &sigmoid_add, "sigmoid(x) + sigmoid(y)");
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}
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