DragGAN / stylegan2 /op /fused_bias_act.cpp
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Duplicate from aaronb/DragGAN
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#include <ATen/ATen.h>
#include <torch/extension.h>
torch::Tensor fused_bias_act_op(const torch::Tensor &input,
const torch::Tensor &bias,
const torch::Tensor &refer, int act, int grad,
float alpha, float scale);
#define CHECK_CUDA(x) \
TORCH_CHECK(x.type().is_cuda(), #x " must be a CUDA tensor")
#define CHECK_CONTIGUOUS(x) \
TORCH_CHECK(x.is_contiguous(), #x " must be contiguous")
#define CHECK_INPUT(x) \
CHECK_CUDA(x); \
CHECK_CONTIGUOUS(x)
torch::Tensor fused_bias_act(const torch::Tensor &input,
const torch::Tensor &bias,
const torch::Tensor &refer, int act, int grad,
float alpha, float scale) {
CHECK_INPUT(input);
CHECK_INPUT(bias);
at::DeviceGuard guard(input.device());
return fused_bias_act_op(input, bias, refer, act, grad, alpha, scale);
}
PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
m.def("fused_bias_act", &fused_bias_act, "fused bias act (CUDA)");
}