Added benchmark support

src/core/Benchmark.h

@@ -0,0 +1,81 @@
+/* XMRig
+ * Copyright 2018-2019 MoneroOcean <https://github.com/MoneroOcean>, <support@moneroocean.stream>
+ *
+ *   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/>.
+ */
+
+#pragma once
+
+#include "net/interfaces/IJobResultListener.h"
+#include "crypto/common/Algorithm.h"
+#include "rapidjson/fwd.h"
+
+namespace xmrig {
+
+class Controller;
+class Miner;
+
+class Benchmark : public IJobResultListener {
+
+        enum BenchAlgo : int {
+            CN_R,          // "cn/r"             CryptoNightR (Monero's variant 4).
+            CN_GPU,        // "cn/gpu"           CryptoNight-GPU (Ryo).
+            CN_LITE_1,     // "cn-lite/1"        CryptoNight-Lite variant 1.
+            CN_HEAVY_TUBE, // "cn-heavy/tube"    CryptoNight-Heavy (modified, TUBE only).
+            CN_PICO_0,     // "cn-pico"          CryptoNight Turtle (TRTL)
+            RX_0,          // "rx/0"             RandomX (reference configuration).
+            RX_WOW,        // "rx/wow"           RandomWOW (Wownero).
+            MAX,
+            MIN = 0,
+            INVALID = -1,
+        };
+
+        const Algorithm::Id ba2a[BenchAlgo::MAX] = {
+            Algorithm::CN_R,
+            Algorithm::CN_GPU,
+            Algorithm::CN_LITE_1,
+            Algorithm::CN_HEAVY_TUBE,
+            Algorithm::CN_PICO_0,
+            Algorithm::RX_0,
+            Algorithm::RX_WOW,
+        };
+
+        float m_bench_algo_perf[BenchAlgo::MAX];
+
+        Controller* m_controller;          // to get access to config and network
+        bool m_isNewBenchRun;
+        Benchmark::BenchAlgo m_bench_algo; // current perf algo we benchmark
+        uint64_t m_hash_count;             // number of hashes calculated for current perf algo
+        uint64_t m_time_start;             // time of measurements start for current perf algo (in ms)
+
+        uint64_t get_now() const;                      // get current time in ms
+        float get_algo_perf(Algorithm::Id algo) const; // get algo perf based on m_bench_algo_perf
+        void start(const Benchmark::BenchAlgo);        // start benchmark for specified perf algo
+        void finish();                                 // end of benchmarks, switch to jobs from the pool (network), fill algo_perf
+        void onJobResult(const JobResult&) override;   // onJobResult is called after each computed benchmark hash
+
+    public:
+        Benchmark() : m_controller(nullptr), m_isNewBenchRun(true) {}
+        virtual ~Benchmark() {}
+
+        void start(Controller* controller); // start benchmarks
+
+        bool isNewBenchRun() const { return m_isNewBenchRun; }
+        float algo_perf[Algorithm::MAX];
+
+        rapidjson::Value toJSON(rapidjson::Document &doc) const;
+        void read(const rapidjson::Value &value);
+};
+
+} // namespace xmrig