Restored OpenCL interleave.

src/backend/opencl/OclInterleave.h

@@ -0,0 +1,63 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * 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/>.
+ */
+
+#ifndef XMRIG_OCLINTERLEAVE_H
+#define XMRIG_OCLINTERLEAVE_H
+
+
+#include <memory>
+#include <mutex>
+
+
+namespace xmrig {
+
+
+class OclInterleave
+{
+public:
+    OclInterleave() = delete;
+    inline OclInterleave(size_t threads) : m_threads(threads) {}
+
+    uint64_t adjustDelay(size_t id);
+    uint64_t resumeDelay(size_t id);
+    void setResumeCounter(uint32_t value);
+    void setRunTime(uint64_t time);
+
+private:
+    const size_t m_threads;
+    double m_averageRunTime   = 0.0;
+    double m_threshold        = 0.95;
+    std::mutex m_mutex;
+    uint32_t m_resumeCounter  = 0;
+    uint64_t m_timestamp      = 0;
+};
+
+
+using OclInterleavePtr = std::shared_ptr<OclInterleave>;
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_OCLINTERLEAVE_H */