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annotate test/compiler/8005419/Test8005419.java @ 18377:ed0fce2e999a
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author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Fri, 14 Nov 2014 09:32:59 -0800 |
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1 /* |
17524 | 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8005419 |
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27 * @summary Improve intrinsics code performance on x86 by using AVX2 |
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28 * @run main/othervm -Xbatch -Xmx64m Test8005419 |
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29 * |
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30 */ |
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31 |
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32 public class Test8005419 { |
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33 public static int SIZE = 64; |
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34 |
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35 public static void main(String[] args) { |
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36 char[] a = new char[SIZE]; |
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37 char[] b = new char[SIZE]; |
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38 |
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39 for (int i = 16; i < SIZE; i++) { |
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40 a[i] = (char)i; |
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41 b[i] = (char)i; |
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42 } |
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43 String s1 = new String(a); |
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44 String s2 = new String(b); |
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45 |
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46 // Warm up |
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47 boolean failed = false; |
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48 int result = 0; |
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49 for (int i = 0; i < 10000; i++) { |
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50 result += test(s1, s2); |
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51 } |
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52 for (int i = 0; i < 10000; i++) { |
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53 result += test(s1, s2); |
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54 } |
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55 for (int i = 0; i < 10000; i++) { |
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56 result += test(s1, s2); |
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57 } |
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58 if (result != 0) failed = true; |
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59 |
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60 System.out.println("Start testing"); |
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61 // Compare same string |
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62 result = test(s1, s1); |
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63 if (result != 0) { |
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64 failed = true; |
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65 System.out.println("Failed same: result = " + result + ", expected 0"); |
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66 } |
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67 // Compare equal strings |
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68 for (int i = 1; i <= SIZE; i++) { |
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69 s1 = new String(a, 0, i); |
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70 s2 = new String(b, 0, i); |
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71 result = test(s1, s2); |
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72 if (result != 0) { |
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73 failed = true; |
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74 System.out.println("Failed equals s1[" + i + "], s2[" + i + "]: result = " + result + ", expected 0"); |
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75 } |
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76 } |
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77 // Compare equal strings but different sizes |
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78 for (int i = 1; i <= SIZE; i++) { |
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79 s1 = new String(a, 0, i); |
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80 for (int j = 1; j <= SIZE; j++) { |
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81 s2 = new String(b, 0, j); |
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82 result = test(s1, s2); |
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83 if (result != (i-j)) { |
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84 failed = true; |
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85 System.out.println("Failed diff size s1[" + i + "], s2[" + j + "]: result = " + result + ", expected " + (i-j)); |
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86 } |
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87 } |
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88 } |
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89 // Compare strings with one char different and different sizes |
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90 for (int i = 1; i <= SIZE; i++) { |
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91 s1 = new String(a, 0, i); |
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92 for (int j = 0; j < i; j++) { |
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93 b[j] -= 3; // change char |
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94 s2 = new String(b, 0, i); |
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95 result = test(s1, s2); |
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96 int chdiff = a[j] - b[j]; |
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97 if (result != chdiff) { |
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98 failed = true; |
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99 System.out.println("Failed diff char s1[" + i + "], s2[" + i + "]: result = " + result + ", expected " + chdiff); |
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100 } |
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101 result = test(s2, s1); |
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102 chdiff = b[j] - a[j]; |
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103 if (result != chdiff) { |
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104 failed = true; |
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105 System.out.println("Failed diff char s2[" + i + "], s1[" + i + "]: result = " + result + ", expected " + chdiff); |
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106 } |
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107 b[j] += 3; // restore |
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108 } |
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109 } |
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110 if (failed) { |
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111 System.out.println("FAILED"); |
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112 System.exit(97); |
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113 } |
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114 System.out.println("PASSED"); |
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115 } |
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116 |
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117 private static int test(String str1, String str2) { |
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118 return str1.compareTo(str2); |
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119 } |
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120 } |