MessageFormatterPerfTest xref

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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 junit.framework.TestCase;
    30
    31  public class MessageFormatterPerfTest extends TestCase {
    32
    33    Integer i1 = new Integer(1);
    34    Integer i2 = new Integer(2);
    35    static long RUN_LENGTH = 100 * 1000;
    36    //
    37    static long REFERENCE_BIPS = 48416;
    38
    39    public MessageFormatterPerfTest(String name) {
    40      super(name);
    41    }
    42
    43    protected void setUp() throws Exception {
    44    }
    45
    46    protected void tearDown() throws Exception {
    47    }
    48
    49    public void XtestJDKFormatterPerf() {
    50      jdkMessageFormatter(RUN_LENGTH);
    51      double duration = jdkMessageFormatter(RUN_LENGTH);
    52      System.out.println("jdk duration = " + duration + " nanos");
    53    }
    54
    55    public void testSLF4JPerf_OneArg() {
    56      slf4jMessageFormatter_OneArg(RUN_LENGTH);
    57      double duration = slf4jMessageFormatter_OneArg(RUN_LENGTH);
    58      System.out.println("duration=" + duration);
    59      long referencePerf = 36;
    60      BogoPerf.assertDuration(duration, referencePerf, REFERENCE_BIPS);
    61    }
    62
    63    public void testSLF4JPerf_TwoArg() {
    64      slf4jMessageFormatter_TwoArg(RUN_LENGTH);
    65      double duration = slf4jMessageFormatter_TwoArg(RUN_LENGTH);
    66      long referencePerf = 60;
    67      BogoPerf.assertDuration(duration, referencePerf, REFERENCE_BIPS);
    68    }
    69
    70
    71    public double slf4jMessageFormatter_OneArg(long len) {
    72      long start = System.nanoTime();
    73      for (int i = 0; i < len; i++) {
    74        final FormattingTuple tp = MessageFormatter.format("This is some rather short message {} ", i1);
    75        tp.getMessage();
    76        tp.getArgArray();
    77        tp.getThrowable();
    78
    79        MessageFormatter.format("This is some rather short message {} ", i1);
    80      }
    81      long end = System.nanoTime();
    82      return (end - start)/(1000*1000.0);
    83    }
    84
    85    public double slf4jMessageFormatter_TwoArg(long len) {
    86      long start = System.nanoTime();
    87      for (int i = 0; i < len; i++) {
    88        final FormattingTuple tp = MessageFormatter.format(
    89            "This is some {} short message {} ", i1, i2);
    90        tp.getMessage();
    91        tp.getArgArray();
    92        tp.getThrowable();
    93      }
    94      long end = System.nanoTime();
    95      return (end - start)/(1000*1000.0);
    96    }
    97
    98
    99
    100   public double jdkMessageFormatter(long len) {
    101     String s = "";
    102     s += ""; // keep compiler happy
    103     long start = System.currentTimeMillis();
    104     Object[] oa = new Object[] { i1 };
    105     for (int i = 0; i < len; i++) {
    106       s = MessageFormat.format("This is some rather short message {0}", oa);
    107     }
    108     long end = System.currentTimeMillis();
    109     return (1.0 * end - start);
    110   }
    111
    112 }