Aditya Atluri
129 строки
3.1 KiB
C++
129 строки
3.1 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<hip_runtime.h>
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#include<iostream>
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#include<assert.h>
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#include"test_common.h"
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#define len 1024*1024
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#define size len * sizeof(float)
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template<typename T>
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void hmemset(T *ptr, T value)
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{
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for(int i=0;i<len;i++){
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ptr[i] = value;
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}
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}
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int main(){
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int num;
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hipGetDeviceCount(&num);
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if(num < 2)
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{
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return 0;
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}
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float *h0, *h1;
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float *ph0, *ph1;
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float *d0, *d1;
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h0 = new float[len];
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h1 = new float[len];
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hmemset(h0, 1.0f);
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int gpu0 = 0, gpu1 = 1;
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hipSetDevice(gpu0);
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hipHostMalloc((void**)&ph0, size);
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hipMalloc(&d0, size);
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hipSetDevice(gpu1);
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hipHostMalloc((void**)&ph1, size);
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hipMalloc(&d1, size);
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hipSetDevice(gpu0);
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hipMemcpy(h1, h0, size, hipMemcpyDefault);
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hipMemcpy(ph0, h1, size, hipMemcpyDefault);
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hipMemcpy(ph1, ph0, size, hipMemcpyDefault);
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assert(h0[0] == ph1[0]);
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hmemset(ph1, 0.0f);
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hipMemcpy(h0, ph1, size, hipMemcpyDefault);
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assert(h0[0] == 0.0f);
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hipSetDevice(gpu0);
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hmemset(ph0, 2.0f);
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hipMemcpy(d0, ph0, size, hipMemcpyDefault);
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hipMemcpy(h0, d0, size, hipMemcpyDefault);
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assert(h0[0] == ph0[0]);
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hmemset(h0, 3.0f);
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hipMemcpy(d0, h0, size, hipMemcpyDefault);
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hipMemcpy(ph0, d0, size, hipMemcpyDefault);
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assert(h0[0] == ph0[0]);
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hipSetDevice(gpu1);
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hmemset(ph1, 2.0f);
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hipMemcpy(d1, ph1, size, hipMemcpyDefault);
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hipMemcpy(h1, d1, size, hipMemcpyDefault);
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assert(h1[0] == ph1[0]);
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hmemset(h1, 3.0f);
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hipMemcpy(d1, h1, size, hipMemcpyDefault);
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hipMemcpy(ph1, d1, size, hipMemcpyDefault);
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assert(h1[0] == ph1[0]);
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hipSetDevice(gpu0);
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hmemset(ph0, 4.0f);
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hipMemcpy(d0, ph0, size, hipMemcpyDefault);
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hipMemcpy(ph0, d0, size, hipMemcpyDefault);
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hipMemcpy(h0, d0, size, hipMemcpyDefault);
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assert(ph0[0] == 4.0f);
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assert(h0[0] == 4.0f);
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hipSetDevice(gpu1);
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hmemset(ph1, 5.0f);
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hipMemcpy(d1, ph1, size, hipMemcpyDefault);
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hipMemcpy(ph1, d1, size, hipMemcpyDefault);
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hipMemcpy(h1, d1, size, hipMemcpyDefault);
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assert(ph1[0] == 5.0f);
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assert(h1[0] == 5.0f);
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hipSetDevice(gpu0);
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hipMemcpy(d0, ph1, size, hipMemcpyDefault);
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hipMemcpy(d1, d0, size, hipMemcpyDefault);
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passed();
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}
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