Added class NUMAMemoryPool.

src/crypto/common/NUMAMemoryPool.cpp

@@ -0,0 +1,106 @@
+/* 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/NUMAMemoryPool.h"
+#include "crypto/common/VirtualMemory.h"
+#include "backend/cpu/Cpu.h"
+#include "crypto/common/MemoryPool.h"
+
+
+#include <algorithm>
+
+
+namespace xmrig {
+
+
+constexpr size_t pageSize = 2 * 1024 * 1024;
+
+
+} // namespace xmrig
+
+
+xmrig::NUMAMemoryPool::NUMAMemoryPool(size_t size, bool hugePages) :
+    m_hugePages(hugePages),
+    m_nodeSize(std::max<size_t>(size / Cpu::info()->nodes(), 1)),
+    m_size(size)
+{
+}
+
+
+xmrig::NUMAMemoryPool::~NUMAMemoryPool()
+{
+    for (auto kv : m_map) {
+        delete kv.second;
+    }
+}
+
+
+bool xmrig::NUMAMemoryPool::isHugePages(uint32_t node) const
+{
+    if (!m_size) {
+        return false;
+    }
+
+    return getOrCreate(node)->isHugePages(node);
+}
+
+
+uint8_t *xmrig::NUMAMemoryPool::get(size_t size, uint32_t node)
+{
+    if (!m_size) {
+        return nullptr;
+    }
+
+    return getOrCreate(node)->get(size, node);
+}
+
+
+void xmrig::NUMAMemoryPool::release(uint32_t node)
+{
+    const auto pool = get(node);
+    if (pool) {
+        pool->release(node);
+    }
+}
+
+
+xmrig::IMemoryPool *xmrig::NUMAMemoryPool::get(uint32_t node) const
+{
+    return m_map.count(node) ? m_map.at(node) : nullptr;
+}
+
+
+xmrig::IMemoryPool *xmrig::NUMAMemoryPool::getOrCreate(uint32_t node) const
+{
+    auto pool = get(node);
+    if (!pool) {
+        pool = new MemoryPool(m_nodeSize, m_hugePages, node);
+        m_map.insert({ node, pool });
+    }
+
+    return pool;
+}