Added initial memory pool support.

src/crypto/common/VirtualMemory_hwloc.cpp

@@ -0,0 +1,56 @@
+/* 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/>.
+ */
+
+
+#include "crypto/common/VirtualMemory.h"
+#include "backend/cpu/Cpu.h"
+#include "backend/cpu/platform/HwlocCpuInfo.h"
+#include "base/io/log/Log.h"
+
+
+#include <hwloc.h>
+
+
+uint32_t xmrig::VirtualMemory::bindToNUMANode(int64_t affinity)
+{
+    if (affinity < 0 || Cpu::info()->nodes() < 2) {
+        return 0;
+    }
+
+    auto cpu       = static_cast<HwlocCpuInfo *>(Cpu::info());
+    hwloc_obj_t pu = hwloc_get_pu_obj_by_os_index(cpu->topology(), static_cast<unsigned>(affinity));
+
+    char *buffer;
+    hwloc_bitmap_asprintf(&buffer, pu->cpuset);
+
+    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);
+}