Aditya Atluri
122 baris
3.3 KiB
C++
122 baris
3.3 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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#ifndef HIPSTREAM_H
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#define HIPSTREAM_H
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#include<hip_runtime.h>
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#define NUM_STREAMS 4
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/*
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* H2H - 1
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* H2D - 2
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* KER - 3
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* D2D - 4
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* D2H - 5
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*/
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template<typename T>
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void H2HAsync(T *Dst, T *Src, size_t size, hipStream_t stream){
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HIPCHECK(hipMemcpyAsync(Dst, Src, size, hipMemcpyHostToHost, stream));
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}
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template<typename T>
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void H2DAsync(T *Dst, T *Src, size_t size, hipStream_t stream){
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HIPCHECK(hipMemcpyAsync(Dst, Src, size, hipMemcpyHostToDevice, stream));
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}
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template<typename T>
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void D2DAsync(T *Dst, T *Src, size_t size, hipStream_t stream){
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HIPCHECK(hipMemcpyAsync(Dst, Src, size, hipMemcpyDeviceToDevice, stream));
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}
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template<typename T>
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void D2HAsync(T *Dst, T *Src, size_t size, hipStream_t stream){
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HIPCHECK(hipMemcpyAsync(Dst, Src, size, hipMemcpyDeviceToHost, stream));
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}
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template<typename T>
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void H2H(T *Dst, T *Src, size_t size){
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HIPCHECK(hipMemcpy(Dst, Src, size, hipMemcpyHostToHost));
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}
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template<typename T>
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void H2D(T *Dst, T *Src, size_t size){
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HIPCHECK(hipMemcpy(Dst, Src, size, hipMemcpyHostToDevice));
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}
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template<typename T>
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void D2D(T *Dst, T *Src, size_t size){
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HIPCHECK(hipMemcpy(Dst, Src, size, hipMemcpyDeviceToDevice));
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}
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template<typename T>
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void D2H(T *Dst, T *Src, size_t size){
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HIPCHECK(hipMemcpy(Dst, Src, size, hipMemcpyDeviceToHost));
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}
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template<typename T>
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__global__ void Inc(hipLaunchParm lp, T *In){
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int tx = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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In[tx] = In[tx] + 1;
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}
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template<typename T>
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void initArrays(T **Ad, T **Ah,
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size_t N, bool usePinnedHost=false){
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size_t NBytes = N * sizeof(T);
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if(Ad){
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HIPCHECK( hipMalloc(Ad, NBytes));
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}
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if(usePinnedHost){
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HIPCHECK( hipHostAlloc((void**)Ah, NBytes, hipHostAllocDefault));
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}
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else{
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*Ah = new T[N];
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HIPASSERT(*Ah != NULL);
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}
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}
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template<typename T>
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void initArrays(T **Ad, size_t N,
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bool deviceMemory = false,
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bool usePinnedHost = false){
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size_t NBytes = N * sizeof(T);
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if(deviceMemory){
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HIPCHECK( hipMalloc(Ad, NBytes));
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}else{
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if(usePinnedHost){
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HIPCHECK(hipHostAlloc((void**)Ad, NBytes, hipHostAllocDefault));
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}else{
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*Ad = new T[N];
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HIPASSERT(*Ad != NULL);
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}
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}
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}
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template<typename T>
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void setArray(T* Array, int N, T val){
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for(int i=0;i<N;i++){
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Array[i] = val;
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}
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}
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#endif
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