44 lines
1008 B
C++
44 lines
1008 B
C++
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#include"gxxHipApi.h"
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#include<vector>
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#include"hip_runtime.h"
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#define LEN 1024*1024
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#define SIZE LEN * sizeof(float)
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class memManager;
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template<typename T>
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__global__ void Add(hipLaunchParm lp, T* Ad, T* Bd, T* Cd, size_t Len)
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{
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int tx = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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if(tx < Len)
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{
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Cd[tx] = Ad[tx] + Bd[tx];
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}
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}
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int main()
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{
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std::vector<class memManager> Vec(3);
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for(int i=0;i<Vec.size();i++){
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Vec[i] = memManager(SIZE);
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}
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for(int i=0;i<3;i++)
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{
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Vec[i].setHstPtr(new float[LEN]);
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Vec[i].memAlloc<float>();
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}
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for(int i=0;i<Vec.size()-1;i++)
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{
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Vec[i].hostMemSet((i+1)*1.0f);
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Vec[i].H2D();
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}
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hipLaunchKernel(HIP_KERNEL_NAME(Add), dim3(LEN/1024), dim3(1024), 0, 0, Vec[0].getDevPtr<float>(), Vec[1].getDevPtr<float>(), Vec[2].getDevPtr<float>(), LEN);
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Vec[2].D2H();
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assert(Vec[0].getHstPtr<float>()[10] + Vec[1].getHstPtr<float>()[10] == Vec[2].getHstPtr<float>()[10]);
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}
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