Brandon Potter
100 строки
3.7 KiB
C++
100 строки
3.7 KiB
C++
/********************************************************************************
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* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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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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*
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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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*
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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 "HIPHelper.h"
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#include <cstring>
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#include <string>
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#include <iostream>
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int HIPHelper::Init(const std::string &filename, InputFlags &in_flags)
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{
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int device = 0;
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hipSetDevice(device);
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hipDeviceProp_t props;
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hipGetDeviceProperties(&props, device /*deviceID*/);
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printf("info: running on device %s\n", props.name);
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printf("info: architecture on AMD GPU device is: %d\n", props.gcnArch);
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return 0;
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}
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void HIPHelper::checkStatus(gpuError status, const std::string errString)
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{
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if (status != HIP_SUCCESS)
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{
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std::cerr << errString << " : " << hipGetErrorString(status) << std::endl;
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exit(-1);
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}
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}
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memPointer HIPHelper::AllocateMem(const std::string name,
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size_t size,
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memPointer_flags flags,
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void *hostBuffer)
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{
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void* buf;
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std::string errString = "HIP error allocating " + name + " !";
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checkStatus(hipMalloc(&buf, size), errString);
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printf("Allocating %s of size %zu at buf %p\n", name.c_str(), size, buf);
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return buf;
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}
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void HIPHelper::CopyToDevice(memPointer devBuffer,
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void *hostBuffer,
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size_t size,
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size_t offset,
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gpuBool blocking,
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gpuEvent *ev)
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{
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assert(offset == 0);
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memcpy(devBuffer, hostBuffer, size);
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/*
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if (blocking == GPU_TRUE) {
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checkStatus(hipMemcpy(devBuffer, hostBuffer, size, hipMemcpyHostToDevice),
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"HIP error copying data to device !");
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} else {
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checkStatus(hipMemcpyAsync(devBuffer, hostBuffer, size, hipMemcpyHostToDevice),
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"HIP error copying data to device !");
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}
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*/
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}
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void HIPHelper::CopyToHost(memPointer devBuffer,
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void *hostBuffer,
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size_t size,
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size_t offset,
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gpuBool blocking,
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gpuEvent *ev)
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{
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assert(offset == 0);
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memcpy(hostBuffer, devBuffer, size);
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/*
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if (blocking == GPU_TRUE) {
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checkStatus(hipMemcpy(hostBuffer, devBuffer, size, hipMemcpyDeviceToHost),
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"HIP error copying data to device !");
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} else {
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checkStatus(hipMemcpyAsync(hostBuffer, devBuffer, size, hipMemcpyDeviceToHost),
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"HIP error copying data to device !");
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}
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*/
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}
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