134 lines
3.2 KiB
C++
134 lines
3.2 KiB
C++
/* XMRig
|
|
* Copyright (c) 2018-2020 tevador <tevador@gmail.com>
|
|
* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
|
|
* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include "crypto/common/VirtualMemory.h"
|
|
#include "backend/cpu/Cpu.h"
|
|
#include "base/io/log/Log.h"
|
|
#include "crypto/common/MemoryPool.h"
|
|
#include "crypto/common/portable/mm_malloc.h"
|
|
|
|
|
|
#ifdef XMRIG_FEATURE_HWLOC
|
|
# include "crypto/common/NUMAMemoryPool.h"
|
|
#endif
|
|
|
|
|
|
#include <cinttypes>
|
|
#include <mutex>
|
|
|
|
|
|
namespace xmrig {
|
|
|
|
|
|
size_t VirtualMemory::m_hugePageSize = VirtualMemory::kDefaultHugePageSize;
|
|
static std::shared_ptr<IMemoryPool> pool;
|
|
static std::mutex mutex;
|
|
|
|
|
|
} // namespace xmrig
|
|
|
|
|
|
xmrig::VirtualMemory::VirtualMemory(size_t size, bool hugePages, bool oneGbPages, bool usePool, uint32_t node, size_t alignSize) :
|
|
m_size(alignToHugePageSize(size)),
|
|
m_node(node),
|
|
m_capacity(m_size)
|
|
{
|
|
if (usePool) {
|
|
std::lock_guard<std::mutex> lock(mutex);
|
|
if (hugePages && !pool->isHugePages(node) && allocateLargePagesMemory()) {
|
|
return;
|
|
}
|
|
|
|
m_scratchpad = pool->get(m_size, node);
|
|
if (m_scratchpad) {
|
|
m_flags.set(FLAG_HUGEPAGES, pool->isHugePages(node));
|
|
m_flags.set(FLAG_EXTERNAL, true);
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (oneGbPages && allocateOneGbPagesMemory()) {
|
|
m_capacity = align(size, 1ULL << 30);
|
|
return;
|
|
}
|
|
|
|
if (hugePages && allocateLargePagesMemory()) {
|
|
return;
|
|
}
|
|
|
|
m_scratchpad = static_cast<uint8_t*>(_mm_malloc(m_size, alignSize));
|
|
}
|
|
|
|
|
|
xmrig::VirtualMemory::~VirtualMemory()
|
|
{
|
|
if (!m_scratchpad) {
|
|
return;
|
|
}
|
|
|
|
if (m_flags.test(FLAG_EXTERNAL)) {
|
|
std::lock_guard<std::mutex> lock(mutex);
|
|
pool->release(m_node);
|
|
}
|
|
else if (isHugePages() || isOneGbPages()) {
|
|
freeLargePagesMemory();
|
|
}
|
|
else {
|
|
_mm_free(m_scratchpad);
|
|
}
|
|
}
|
|
|
|
|
|
xmrig::HugePagesInfo xmrig::VirtualMemory::hugePages() const
|
|
{
|
|
return { this };
|
|
}
|
|
|
|
|
|
#ifndef XMRIG_FEATURE_HWLOC
|
|
uint32_t xmrig::VirtualMemory::bindToNUMANode(int64_t)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
|
|
void xmrig::VirtualMemory::destroy()
|
|
{
|
|
pool.reset();
|
|
}
|
|
|
|
|
|
void xmrig::VirtualMemory::init(size_t poolSize, size_t hugePageSize)
|
|
{
|
|
if (!pool) {
|
|
osInit(hugePageSize);
|
|
}
|
|
|
|
# ifdef XMRIG_FEATURE_HWLOC
|
|
if (Cpu::info()->nodes() > 1) {
|
|
pool = std::make_shared<NUMAMemoryPool>(align(poolSize, Cpu::info()->nodes()), hugePageSize > 0);
|
|
} else
|
|
# endif
|
|
{
|
|
pool = std::make_shared<MemoryPool>(poolSize, hugePageSize > 0);
|
|
}
|
|
}
|