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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 }