Merge remote-tracking branch 'origin/task/JAL-2662' into develop

[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
new file mode 100644 (file)
index 0000000..2518494
--- /dev/null
+++ b/benchmarking/src/main/java/org/jalview/HiddenColumnsBenchmark.java
@@ -0,0 +1,78 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview 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.
+ *  
+ * Jalview 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 Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+
+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;
+
+/*
+ * A class to benchmark hidden columns performance
+ */
+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()
+               {
+                       
+               }
+    }
+       
+       /*
+        * isVisible benchmarking
+        */
+    @Benchmark
+    public boolean benchIsVisibleLastCol(ThreadState tstate) 
+    {
+       return tstate.h.isVisible(tstate.MAXCOLS - 3); 
+    }
+    
+    @Benchmark
+    public boolean benchIsVisibleFirstCol(ThreadState tstate)
+    {
+       return tstate.h.isVisible(1);
+    }
+
+}