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1   /**
2    * Copyright (c) 2004-2011 QOS.ch
3    * All rights reserved.
4    *
5    * Permission is hereby granted, free  of charge, to any person obtaining
6    * a  copy  of this  software  and  associated  documentation files  (the
7    * "Software"), to  deal in  the Software without  restriction, including
8    * without limitation  the rights to  use, copy, modify,  merge, publish,
9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
10   * permit persons to whom the Software  is furnished to do so, subject to
11   * the following conditions:
12   *
13   * The  above  copyright  notice  and  this permission  notice  shall  be
14   * included in all copies or substantial portions of the Software.
15   *
16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23   *
24   */
25  package org.slf4j.helpers;
26  
27  import java.text.MessageFormat;
28  
29  import org.junit.Ignore;
30  import org.junit.Test;
31  
32  @Ignore
33  public class MessageFormatterPerfTest { // extends TestCase {
34  
35      Integer i1 = new Integer(1);
36      Integer i2 = new Integer(2);
37      static long RUN_LENGTH = 100 * 1000;
38      //
39      static long REFERENCE_BIPS = 48416;
40  
41      public void XtestJDKFormatterPerf() {
42          jdkMessageFormatter(RUN_LENGTH);
43          double duration = jdkMessageFormatter(RUN_LENGTH);
44          System.out.println("jdk duration = " + duration + " nanos");
45      }
46  
47      @Test
48      public void testSLF4JPerf_OneArg() {
49          slf4jMessageFormatter_OneArg(RUN_LENGTH);
50          double duration = slf4jMessageFormatter_OneArg(RUN_LENGTH);
51          System.out.println("duration=" + duration);
52          long referencePerf = 36;
53          BogoPerf.assertDuration(duration, referencePerf, REFERENCE_BIPS);
54      }
55  
56      @Test
57      public void testSLF4JPerf_TwoArg() {
58          slf4jMessageFormatter_TwoArg(RUN_LENGTH);
59          double duration = slf4jMessageFormatter_TwoArg(RUN_LENGTH);
60          long referencePerf = 60;
61          BogoPerf.assertDuration(duration, referencePerf, REFERENCE_BIPS);
62      }
63  
64      public double slf4jMessageFormatter_OneArg(long len) {
65          long start = System.nanoTime();
66          for (int i = 0; i < len; i++) {
67              final FormattingTuple tp = MessageFormatter.format("This is some rather short message {} ", i1);
68              tp.getMessage();
69              tp.getArgArray();
70              tp.getThrowable();
71  
72              MessageFormatter.format("This is some rather short message {} ", i1);
73          }
74          long end = System.nanoTime();
75          return (end - start) / (1000 * 1000.0);
76      }
77  
78      public double slf4jMessageFormatter_TwoArg(long len) {
79          long start = System.nanoTime();
80          for (int i = 0; i < len; i++) {
81              final FormattingTuple tp = MessageFormatter.format("This is some {} short message {} ", i1, i2);
82              tp.getMessage();
83              tp.getArgArray();
84              tp.getThrowable();
85          }
86          long end = System.nanoTime();
87          return (end - start) / (1000 * 1000.0);
88      }
89  
90      public double jdkMessageFormatter(long len) {
91          @SuppressWarnings("unused")
92          String s = "";
93          s += ""; // keep compiler happy
94          long start = System.currentTimeMillis();
95          Object[] oa = new Object[] { i1 };
96          for (int i = 0; i < len; i++) {
97              s = MessageFormat.format("This is some rather short message {0}", oa);
98          }
99          long end = System.currentTimeMillis();
100         return (1.0 * end - start);
101     }
102 
103 }