Added VirtualMemory::bindToNUMANode

2019-07-26 15:29:06 +07:00 · 2019-07-26 15:29:06 +07:00 · ffa6bda106
commit ffa6bda106
parent a5e8b31d55
7 changed files with 98 additions and 5 deletions
--- a/src/crypto/common/VirtualMemory.cpp
+++ b/src/crypto/common/VirtualMemory.cpp
@ -0,0 +1,66 @@
+/* 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/>.
+ */
+
+
+#ifdef XMRIG_FEATURE_HWLOC
+#   include <hwloc.h>
+#   include "backend/cpu/platform/HwlocCpuInfo.h"
+#endif
+
+
+#include "base/io/log/Log.h"
+#include "crypto/common/VirtualMemory.h"
+
+
+void xmrig::VirtualMemory::bindToNUMANode(int64_t affinity)
+{
+#   ifdef XMRIG_FEATURE_HWLOC
+    if (affinity < 0 || !HwlocCpuInfo::has(HwlocCpuInfo::SET_THISTHREAD_MEMBIND)) {
+        return;
+    }
+
+    hwloc_topology_t topology;
+    hwloc_topology_init(&topology);
+    hwloc_topology_load(topology);
+
+    const int depth     = hwloc_get_type_depth(topology, HWLOC_OBJ_PU);
+    const unsigned puId = static_cast<unsigned>(affinity);
+
+    for (unsigned i = 0; i < hwloc_get_nbobjs_by_depth(topology, depth); i++) {
+        hwloc_obj_t pu = hwloc_get_obj_by_depth(topology, depth, i);
+
+        if (pu->os_index == puId) {
+            if (hwloc_set_membind_nodeset(topology, pu->nodeset, HWLOC_MEMBIND_BIND, HWLOC_MEMBIND_THREAD) < 0) {
+                LOG_WARN("CPU #%02u warning: \"can't bind memory\"", puId);
+            }
+
+            break;
+        }
+    }
+
+    hwloc_topology_destroy(topology);
+#   endif
+}