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#include <cuda.h>
#include <cuda_runtime.h>
#include <c10/cuda/CUDAException.h>
#include <ATen/ATen.h>
#include "cuda_dlink_extension_add.cuh"
__global__ void add_kernel(const float* a, const float* b, float* output, int size) {
int i = blockIdx.x * blockDim.x + threadIdx.x;
if (i < size) {
add(a + i, b + i, output + i);
}
}
// output = a * b + c
void add_cuda(const float* a, const float* b, float* output, int size) {
const int threads = 1024;
const int blocks = (size + threads - 1) / threads;
add_kernel<<<blocks, threads>>>(a, b, output, size);
C10_CUDA_KERNEL_LAUNCH_CHECK();
}
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