| |
| #include <iostream> |
| |
| #include "file1.h" |
| #include "file2.h" |
| |
| result_type __device__ file1_func(int x); |
| result_type_dynamic __device__ file2_func(int x); |
| |
| static __global__ void file3_kernel(result_type* r, int x) |
| { |
| *r = file1_func(x); |
| result_type_dynamic rd = file2_func(x); |
| } |
| |
| int file3_launch_kernel(int x) |
| { |
| result_type* r; |
| cudaError_t err = cudaMallocManaged(&r, sizeof(result_type)); |
| if (err != cudaSuccess) { |
| std::cerr << "file3_launch_kernel: cudaMallocManaged failed: " |
| << cudaGetErrorString(err) << std::endl; |
| return x; |
| } |
| |
| file3_kernel<<<1, 1>>>(r, x); |
| err = cudaGetLastError(); |
| if (err != cudaSuccess) { |
| std::cerr << "file3_kernel [SYNC] failed: " << cudaGetErrorString(err) |
| << std::endl; |
| return x; |
| } |
| err = cudaDeviceSynchronize(); |
| if (err != cudaSuccess) { |
| std::cerr << "file3_kernel [ASYNC] failed: " |
| << cudaGetErrorString(cudaGetLastError()) << std::endl; |
| return x; |
| } |
| int result = r->sum; |
| err = cudaFree(r); |
| if (err != cudaSuccess) { |
| std::cerr << "file3_launch_kernel: cudaFree failed: " |
| << cudaGetErrorString(err) << std::endl; |
| return x; |
| } |
| |
| return result; |
| } |