Program Listing for File HipPinnedAllocator.hpp¶
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//////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016-20, Lawrence Livermore National Security, LLC and Umpire
// project contributors. See the COPYRIGHT file for details.
//
// SPDX-License-Identifier: (MIT)
//////////////////////////////////////////////////////////////////////////////
#ifndef UMPIRE_HipPinnedAllocator_HPP
#define UMPIRE_HipPinnedAllocator_HPP
#include <hip/hip_runtime.h>
#include "umpire/util/Macros.hpp"
namespace umpire {
namespace alloc {
struct HipPinnedAllocator {
void* allocate(std::size_t bytes)
{
void* ptr = nullptr;
hipError_t error = ::hipHostMalloc(&ptr, bytes);
UMPIRE_LOG(Debug, "(bytes=" << bytes << ") returning " << ptr);
if (error != hipSuccess) {
UMPIRE_ERROR("hipMallocHost( bytes = " << bytes
<< " ) failed with error: "
<< hipGetErrorString(error));
} else {
return ptr;
}
}
void deallocate(void* ptr)
{
UMPIRE_LOG(Debug, "(ptr=" << ptr << ")");
hipError_t error = ::hipHostFree(ptr);
if (error != hipSuccess) {
UMPIRE_ERROR("hipFreeHost( ptr = " << ptr << " ) failed with error: "
<< hipGetErrorString(error));
}
}
};
} // end of namespace alloc
} // end of namespace umpire
#endif // UMPIRE_HipPinnedAllocator_HPP