#108 [WIP] Created new ThreadPool class with a static ScheduledThreadExecutor that is now shared by all components. Removed ThreadPoolManager from all classes. Consolidating into 1 pool seems to have reduced CPU usage by ~15-20%. Overall memory usage is also reduced.

src/util/ThreadPool.java

@@ -0,0 +1,54 @@
+/*******************************************************************************
+ * sdrtrunk
+ * Copyright (C) 2014-2017 Dennis Sheirer
+ *
+ * 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/>
+ *
+ ******************************************************************************/
+package util;
+
+import controller.NamingThreadFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+
+public class ThreadPool
+{
+    private final static Logger mLog = LoggerFactory.getLogger(ThreadPool.class);
+
+    private static int CORES = Runtime.getRuntime().availableProcessors();
+    public static ScheduledExecutorService SCHEDULED;
+
+    static
+    {
+        //Create a scheduled thread pool sized according to the available processors/cores, minimum 2
+        CORES = (CORES < 2 ? 2 : CORES);
+
+        SCHEDULED = Executors.newScheduledThreadPool(CORES, new NamingThreadFactory("sdrtrunk"));
+    }
+
+    /**
+     * Application-wide shared thread pools and scheduled executor service.
+     */
+    public ThreadPool()
+    {
+    }
+
+    public static void logSettings()
+    {
+        mLog.info("Application thread pool created with [" + CORES + "] threads");
+    }
+}