1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 7196199
  28  * @summary java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
  29  *
  30  * @run main/othervm/timeout=400 -Xmx32m -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:-TieredCompilation -XX:CompileCommand=exclude,Test7196199.test -XX:+SafepointALot -XX:GuaranteedSafepointInterval=100 Test7196199
  31  */
  32 
  33 
  34 public class Test7196199 {
  35   private static final int ARRLEN = 97;
  36   private static final int ITERS  = 5000;
  37   private static final int INI_ITERS  = 1000;
  38   private static final int SFP_ITERS  = 10000;
  39   private static final float SFP_ITERS_F  = 10000.f;
  40   private static final float VALUE = 15.f;
  41   public static void main(String args[]) {
  42     int errn = test();
  43     if (errn > 0) {
  44       System.err.println("FAILED: " + errn + " errors");
  45       System.exit(97);
  46     }
  47     System.out.println("PASSED");
  48   }
  49 
  50   static int test() {
  51     float[] a0 = new float[ARRLEN];
  52     float[] a1 = new float[ARRLEN];
  53     // Initialize
  54     for (int i=0; i<ARRLEN; i++) {
  55       a0[i] = 0.f;
  56       a1[i] = (float)i;
  57     }
  58     System.out.println("Warmup");
  59     for (int i=0; i<INI_ITERS; i++) {
  60       test_incrc(a0);
  61       test_incrv(a0, VALUE);
  62       test_addc(a0, a1);
  63       test_addv(a0, a1, VALUE);
  64     }
  65     // Test and verify results
  66     System.out.println("Verification");
  67     int errn = 0;
  68     for (int i=0; i<ARRLEN; i++)
  69       a0[i] = 0.f;
  70 
  71     System.out.println("  test_incrc");
  72     for (int j=0; j<ITERS; j++) {
  73       test_incrc(a0);
  74       for (int i=0; i<ARRLEN; i++) {
  75         errn += verify("test_incrc: ", i, a0[i], VALUE*SFP_ITERS_F);
  76         a0[i] = 0.f; // Reset
  77       }
  78     }
  79 
  80     System.out.println("  test_incrv");
  81     for (int j=0; j<ITERS; j++) {
  82       test_incrv(a0, VALUE);
  83       for (int i=0; i<ARRLEN; i++) {
  84         errn += verify("test_incrv: ", i, a0[i], VALUE*SFP_ITERS_F);
  85         a0[i] = 0.f; // Reset
  86       }
  87     }
  88 
  89     System.out.println("  test_addc");
  90     for (int j=0; j<ITERS; j++) {
  91       test_addc(a0, a1);
  92       for (int i=0; i<ARRLEN; i++) {
  93         errn += verify("test_addc: ", i, a0[i], ((float)i + VALUE)*SFP_ITERS_F);
  94         a0[i] = 0.f; // Reset
  95       }
  96     }
  97 
  98     System.out.println("  test_addv");
  99     for (int j=0; j<ITERS; j++) {
 100       test_addv(a0, a1, VALUE);
 101       for (int i=0; i<ARRLEN; i++) {
 102         errn += verify("test_addv: ", i, a0[i], ((float)i + VALUE)*SFP_ITERS_F);
 103         a0[i] = 0.f; // Reset
 104       }
 105     }
 106 
 107     if (errn > 0)
 108       return errn;
 109 
 110     System.out.println("Time");
 111     long start, end;
 112 
 113     start = System.currentTimeMillis();
 114     for (int i=0; i<INI_ITERS; i++) {
 115       test_incrc(a0);
 116     }
 117     end = System.currentTimeMillis();
 118     System.out.println("test_incrc: " + (end - start));
 119 
 120     start = System.currentTimeMillis();
 121     for (int i=0; i<INI_ITERS; i++) {
 122       test_incrv(a0, VALUE);
 123     }
 124     end = System.currentTimeMillis();
 125     System.out.println("test_incrv: " + (end - start));
 126 
 127     start = System.currentTimeMillis();
 128     for (int i=0; i<INI_ITERS; i++) {
 129       test_addc(a0, a1);
 130     }
 131     end = System.currentTimeMillis();
 132     System.out.println("test_addc: " + (end - start));
 133 
 134     start = System.currentTimeMillis();
 135     for (int i=0; i<INI_ITERS; i++) {
 136       test_addv(a0, a1, VALUE);
 137     }
 138     end = System.currentTimeMillis();
 139     System.out.println("test_addv: " + (end - start));
 140 
 141     return errn;
 142   }
 143 
 144   static void test_incrc(float[] a0) {
 145     // Non-counted loop with safepoint.
 146     for (long l = 0; l < SFP_ITERS; l++) {
 147       // Counted and vectorized loop.
 148       for (int i = 0; i < a0.length; i+=1) {
 149         a0[i] += VALUE;
 150       }
 151     }
 152   }
 153   static void test_incrv(float[] a0, float b) {
 154     // Non-counted loop with safepoint.
 155     for (long l = 0; l < SFP_ITERS; l++) {
 156       // Counted and vectorized loop.
 157       for (int i = 0; i < a0.length; i+=1) {
 158         a0[i] += b;
 159       }
 160     }
 161   }
 162   static void test_addc(float[] a0, float[] a1) {
 163     // Non-counted loop with safepoint.
 164     for (long l = 0; l < SFP_ITERS; l++) {
 165       // Counted and vectorized loop.
 166       for (int i = 0; i < a0.length; i+=1) {
 167         a0[i] += a1[i]+VALUE;
 168       }
 169     }
 170   }
 171   static void test_addv(float[] a0, float[] a1, float b) {
 172     // Non-counted loop with safepoint.
 173     for (long l = 0; l < SFP_ITERS; l++) {
 174       // Counted and vectorized loop.
 175       for (int i = 0; i < a0.length; i+=1) {
 176         a0[i] += a1[i]+b;
 177       }
 178     }
 179   }
 180 
 181   static int verify(String text, int i, float elem, float val) {
 182     if (elem != val) {
 183       System.err.println(text + "[" + i + "] = " + elem + " != " + val);
 184       return 1;
 185     }
 186     return 0;
 187   }
 188 }
 189