REDACTED-rig/src/crypto/common/NUMAMemoryPool.cpp
2019-10-22 13:09:58 +07:00

97 lines
2.6 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018 Lee Clagett <https://github.com/vtnerd>
* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
* Copyright 2018-2019 tevador <tevador@gmail.com>
* Copyright 2016-2019 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/NUMAMemoryPool.h"
#include "crypto/common/VirtualMemory.h"
#include "backend/cpu/Cpu.h"
#include "crypto/common/MemoryPool.h"
#include <algorithm>
xmrig::NUMAMemoryPool::NUMAMemoryPool(size_t size, bool hugePages) :
m_hugePages(hugePages),
m_nodeSize(std::max<size_t>(size / Cpu::info()->nodes(), 1)),
m_size(size)
{
}
xmrig::NUMAMemoryPool::~NUMAMemoryPool()
{
for (auto kv : m_map) {
delete kv.second;
}
}
bool xmrig::NUMAMemoryPool::isHugePages(uint32_t node) const
{
if (!m_size) {
return false;
}
return getOrCreate(node)->isHugePages(node);
}
uint8_t *xmrig::NUMAMemoryPool::get(size_t size, uint32_t node)
{
if (!m_size) {
return nullptr;
}
return getOrCreate(node)->get(size, node);
}
void xmrig::NUMAMemoryPool::release(uint32_t node)
{
const auto pool = get(node);
if (pool) {
pool->release(node);
}
}
xmrig::IMemoryPool *xmrig::NUMAMemoryPool::get(uint32_t node) const
{
return m_map.count(node) ? m_map.at(node) : nullptr;
}
xmrig::IMemoryPool *xmrig::NUMAMemoryPool::getOrCreate(uint32_t node) const
{
auto pool = get(node);
if (!pool) {
pool = new MemoryPool(m_nodeSize, m_hugePages, node);
m_map.insert({ node, pool });
}
return pool;
}