/* XMRig * Copyright 2010 Jeff Garzik * Copyright 2012-2014 pooler * Copyright 2014 Lucas Jones * Copyright 2014-2016 Wolf9466 * Copyright 2016 Jay D Dee * Copyright 2017-2018 XMR-Stak , * Copyright 2018 Lee Clagett * Copyright 2018-2019 SChernykh * Copyright 2018-2019 tevador * Copyright 2016-2019 XMRig , * * 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 . */ #include "crypto/common/VirtualMemory.h" #include "backend/cpu/Cpu.h" #include "backend/cpu/platform/HwlocCpuInfo.h" #include "base/io/log/Log.h" #include uint32_t xmrig::VirtualMemory::bindToNUMANode(int64_t affinity) { if (affinity < 0 || Cpu::info()->nodes() < 2) { return 0; } auto cpu = static_cast(Cpu::info()); hwloc_obj_t pu = hwloc_get_pu_obj_by_os_index(cpu->topology(), static_cast(affinity)); if (pu == nullptr || !cpu->membind(pu->nodeset)) { LOG_WARN("CPU #%02" PRId64 " warning: \"can't bind memory\"", affinity); return 0; } return hwloc_bitmap_first(pu->nodeset); }