JAL-2662 First attempt to set up JMH hidden columns benchmark

[jalview.git] / benchmarking / src / main / java / org / jalview / HiddenColumnsBenchmark.java

diff --git a/benchmarking/src/main/java/org/jalview/HiddenColumnsBenchmark.java b/benchmarking/src/main/java/org/jalview/HiddenColumnsBenchmark.java
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+/*
+ * Copyright (c) 2014, Oracle America, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ *  * Neither the name of Oracle nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.jalview;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Scope;
+import java.util.Random;
+
+import jalview.datamodel.HiddenColumns;
+
+public class HiddenColumnsBenchmark 
+{
+       @State(Scope.Thread)
+       public static class ThreadState
+       {
+               HiddenColumns h = new HiddenColumns();
+               int MAXCOLS = 100000;
+               Random rand = new Random();
+       
+               @Setup
+               public void setup()
+               {
+                       rand.setSeed(1234);
+               for (int i=0; i<MAXCOLS; ++i)
+               {
+                       int col = rand.nextInt(MAXCOLS); 
+                       h.hideColumns(col, col+1);
+               }
+               }
+       
+               @TearDown
+               public void tearDown()
+               {
+                       
+               }
+    }
+       
+       
+    @Benchmark
+    public boolean benchIsVisibleLastCol(ThreadState tstate) 
+    {
+       return tstate.h.isVisible(tstate.MAXCOLS - 3); 
+    }
+    
+    @Benchmark
+    public boolean benchIsVisibleFirstCol(ThreadState tstate)
+    {
+       return tstate.h.isVisible(1);
+    }
+
+}