53 строки
1.9 KiB
C++
53 строки
1.9 KiB
C++
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/*
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Copyright (c) 2015-2016 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include<hip/hip_runtime.h>
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#include<hip/hip_runtime_api.h>
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#include<iostream>
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#define NUM 1024
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#define SIZE NUM * 8
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__global__ void Alloc(hipLaunchParm lp, uint64_t *Ptr) {
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int tid = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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Ptr[tid] = (uint64_t)malloc(128);
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}
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__global__ void Free(hipLaunchParm lp, uint64_t *Ptr) {
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int tid = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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free((void*)Ptr[tid]);
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}
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int main()
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{
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uint64_t *hPtr, *dPtr;
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hPtr = new uint64_t[NUM];
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for(uint32_t i=0;i<NUM;i++) {
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hPtr[i] = 1;
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}
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hipMalloc((void**)&dPtr, SIZE);
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hipMemcpy(dPtr, hPtr, SIZE, hipMemcpyHostToDevice);
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hipLaunchKernel(Alloc, dim3(1,1,1), dim3(NUM,1,1), 0, 0, dPtr);
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hipMemcpy(hPtr, dPtr, SIZE, hipMemcpyDeviceToHost);
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for(uint32_t i=1;i<NUM;i++) {
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assert(hPtr[i] == hPtr[i-1] + 4096);
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}
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}
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