REDACTED-rig/src/Cpu_unix.cpp
Ben Gräf 90699d58ec
Features of 1.6.5 (#140)
* 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
2018-06-26 20:25:38 +02:00

83 lines
2.1 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 2016-2017 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/>.
*/
#ifdef __FreeBSD__
# include <sys/types.h>
# include <sys/param.h>
# include <sys/cpuset.h>
# include <pthread_np.h>
#endif
#include <pthread.h>
#include <sched.h>
#include <unistd.h>
#include <string.h>
#include "CpuImpl.h"
#include "Cpu.h"
#ifdef __FreeBSD__
typedef cpuset_t cpu_set_t;
#endif
void CpuImpl::init()
{
# ifdef XMRIG_NO_LIBCPUID
m_totalThreads = sysconf(_SC_NPROCESSORS_CONF);
# endif
initCommon();
}
int CpuImpl::setThreadAffinity(size_t threadId, int64_t affinityMask)
{
int cpuId = -1;
if (affinityMask != -1L) {
cpuId = Cpu::getAssignedCpuId(threadId, affinityMask);
} else {
cpuId = static_cast<int>(threadId);
}
if (cpuId > -1) {
cpu_set_t mn;
CPU_ZERO(&mn);
CPU_SET(cpuId, &mn);
# ifndef __ANDROID__
if (pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &mn) != 0) {
cpuId = -1;
}
# else
if (sched_setaffinity(gettid(), sizeof(cpu_set_t), &mn) == -1) {
cpuId = -1;
}
# endif
}
return cpuId;
}