90699d58ec
* Hashrate improve -> add autodetection mode for cpu-affinity * Hashrate improve, more stable hashrates -> refactor memory allocation * Add TubeV4 support (cn-heavy + ipbc mod + soft-aes mod) * Update ccp-httpd lib to fix stop/freeze of cc communication on some miners * Fix cn-heavy on arm processors
100 lines
2.8 KiB
C++
100 lines
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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* Copyright 2018 Sebastian Stolzenberg <https://github.com/sebastianstolzenberg>
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* Copyright 2018 BenDroid <ben@graef.in>
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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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#ifndef __MEM_H__
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#define __MEM_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <bitset>
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#include "Options.h"
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#ifdef _WIN32
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# ifdef __GNUC__
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# include <mm_malloc.h>
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# else
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# include <malloc.h>
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# endif
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#else
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# if defined(XMRIG_ARM) && !defined(__clang__)
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# include "aligned_malloc.h"
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# else
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# include <mm_malloc.h>
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# endif
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#endif
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struct ScratchPad;
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struct ScratchPadMem
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{
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alignas(16) uint8_t *memory;
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size_t hugePages;
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size_t pages;
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size_t size;
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size_t realSize;
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};
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class Mem
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{
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public:
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typedef std::bitset<128> ThreadBitSet;
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enum Flags {
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HugepagesAvailable = 1,
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HugepagesEnabled = 2,
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Lock = 4
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};
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static void init(const Options* option);
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static ScratchPadMem create(ScratchPad** scratchPads, int threadId);
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static void release(ScratchPad** scratchPads, ScratchPadMem& scratchPadMem, int threadId);
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static inline size_t hashFactor() { return m_hashFactor; }
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static inline size_t getThreadHashFactor(int threadId)
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{
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return (m_multiHashThreadMask.all() ||
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m_multiHashThreadMask.test(threadId)) ? m_hashFactor : 1;
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}
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static inline bool isHugepagesAvailable() { return (m_flags & HugepagesAvailable) != 0; }
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private:
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static void allocate(ScratchPadMem& scratchPadMem, bool useHugePages);
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static void release(ScratchPadMem& scratchPadMem);
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private:
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static bool m_useHugePages;
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static size_t m_hashFactor;
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static int m_flags;
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static Options::Algo m_algo;
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static ThreadBitSet m_multiHashThreadMask;
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};
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#endif /* __MEM_H__ */
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