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