Aditya Atluri
62 baris
2.0 KiB
C++
62 baris
2.0 KiB
C++
/*
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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"test_common.h"
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#include<iostream>
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#include<time.h>
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#define NUM_SIZE 8
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#define NUM_ITER 1 << 30
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static size_t size[NUM_SIZE];
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void setup(){
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for(int i=0;i<NUM_SIZE;i++){
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size[i] = 1<<(i+6); // start at 8 bytes
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}
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}
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void valSet(int *A, int val, size_t size){
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size_t len = size/sizeof(int);
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for(int i=0;i<len;i++){
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A[i] = val;
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}
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}
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int main(){
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setup();
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int *A, *Ad;
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for(int i=0;i<NUM_SIZE;i++){
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std::cout<<size[i]<<std::endl;
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A = (int*)malloc(size[i]);
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valSet(A, 1, size[i]);
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hipMalloc(&Ad, size[i]);
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std::cout<<"Malloc success at size: "<<size[i]<<std::endl;
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clock_t start ,end;
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start = clock();
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for(int j=0;j<NUM_ITER;j++){
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// std::cout<<"At iter: "<<j<<std::endl;
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hipMemcpy(Ad, A, size[i], hipMemcpyHostToDevice);
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}
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hipDeviceSynchronize();
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end = clock();
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double uS = (double)(end - start)*1000/(NUM_ITER*CLOCKS_PER_SEC);
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std::cout<<uS<<std::endl;
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}
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}
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