86 lines
No EOL
2.8 KiB
C++
86 lines
No EOL
2.8 KiB
C++
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2016-2017 XMRig <support@xmrig.com>
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <memory.h>
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#include "crypto/CryptoNight.h"
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#include "Mem.h"
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bool Mem::m_useHugePages = true;
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size_t Mem::m_hashFactor = 1;
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int Mem::m_flags = 0;
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int Mem::m_totalPages = 0;
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int Mem::m_totalHugepages = 0;
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Options::Algo Mem::m_algo = Options::ALGO_CRYPTONIGHT;
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Mem::ThreadBitSet Mem::m_multiHashThreadMask = Mem::ThreadBitSet(-1L);
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ScratchPadMem Mem::create(ScratchPad** scratchPads, int threadId)
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{
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size_t scratchPadSize;
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switch (m_algo) {
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case Options::ALGO_CRYPTONIGHT_LITE:
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scratchPadSize = MEMORY_LITE;
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break;
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case Options::ALGO_CRYPTONIGHT_HEAVY:
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scratchPadSize = MEMORY_HEAVY;
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break;
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case Options::ALGO_CRYPTONIGHT:
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default:
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scratchPadSize = MEMORY;
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break;
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}
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ScratchPadMem scratchPadMem;
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scratchPadMem.realSize = scratchPadSize * getThreadHashFactor(threadId);
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scratchPadMem.size = scratchPadSize * getThreadHashFactor(threadId);
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scratchPadMem.size += scratchPadMem.size % MEMORY;
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scratchPadMem.pages = scratchPadMem.size / MEMORY;
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allocate(scratchPadMem, m_useHugePages);
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for (size_t i = 0; i < getThreadHashFactor(threadId); ++i) {
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ScratchPad* scratchPad = static_cast<ScratchPad *>(_mm_malloc(sizeof(ScratchPad), 4096));
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scratchPad->memory = scratchPadMem.memory + (i * scratchPadSize);
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scratchPads[i] = scratchPad;
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}
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m_totalPages += scratchPadMem.pages;
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m_totalHugepages += scratchPadMem.hugePages;
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return scratchPadMem;
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}
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void Mem::release(ScratchPad** scratchPads, ScratchPadMem& scratchPadMem, int threadId)
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{
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m_totalPages -= scratchPadMem.pages;
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m_totalHugepages -= scratchPadMem.hugePages;
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release(scratchPadMem);
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for (size_t i = 0; i < getThreadHashFactor(threadId); ++i) {
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_mm_free(scratchPads[i]);
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}
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} |