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src/jdk.internal.vm.compiler/share/classes/org.graalvm.micro.benchmarks/src/micro/benchmarks/StringBenchmark.java

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rev 52509 : [mq]: graal2


  43         char ch1 = 'Q';
  44         String ch1string = "Q";
  45         char ch2 = 'X';
  46         String s1 = "Qu";
  47         String s2 = "ne";
  48 
  49         String longString;
  50 
  51         public BenchState() {
  52             String str = "ab";
  53             for (int i = 0; i < 15; i++) {
  54                 str = str + str;
  55             }
  56             longString = str + "xx";
  57         }
  58 
  59         // Checkstyle: stop
  60         String lorem = "Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
  61         String loremLastChar = "Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum?";
  62         // Checkstyle: resume






  63     }
  64 
  65     @Benchmark
  66     @Warmup(iterations = 5)
  67     public int indexOfChar(BenchState state) {
  68         return state.lorem.indexOf(state.ch1);
  69     }
  70 
  71     @Benchmark
  72     @Warmup(iterations = 5)
  73     public int indexOfSingleCharString(BenchState state) {
  74         return state.lorem.indexOf(state.ch1string);
  75     }
  76 
  77     @Benchmark
  78     @Warmup(iterations = 5)
  79     public int indexOfSingleCharStringLong(BenchState state) {
  80         return state.longString.indexOf('x');
  81     }
  82 


  85     public int indexOfCharNotFound(BenchState state) {
  86         return state.lorem.indexOf(state.ch2);
  87     }
  88 
  89     @Benchmark
  90     @Warmup(iterations = 5)
  91     public int indexOfString(BenchState state) {
  92         return state.lorem.indexOf(state.s1);
  93     }
  94 
  95     @Benchmark
  96     @Warmup(iterations = 5)
  97     public int indexOfStringNotFound(BenchState state) {
  98         return state.lorem.indexOf(state.s2);
  99     }
 100 
 101     @Benchmark
 102     @Warmup(iterations = 5)
 103     public int compareTo(BenchState state) {
 104         return state.lorem.compareTo(state.loremLastChar);
























 105     }
 106 }


  43         char ch1 = 'Q';
  44         String ch1string = "Q";
  45         char ch2 = 'X';
  46         String s1 = "Qu";
  47         String s2 = "ne";
  48 
  49         String longString;
  50 
  51         public BenchState() {
  52             String str = "ab";
  53             for (int i = 0; i < 15; i++) {
  54                 str = str + str;
  55             }
  56             longString = str + "xx";
  57         }
  58 
  59         // Checkstyle: stop
  60         String lorem = "Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
  61         String loremLastChar = "Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum?";
  62         // Checkstyle: resume
  63 
  64         String smallLorem = lorem.substring(0, 13);
  65         String largeLorem = lorem.concat(lorem);
  66 
  67         char[] smallCharArray = lorem.substring(0, 13).toCharArray();
  68         char[] largeCharArray = lorem.concat(lorem).toCharArray();
  69     }
  70 
  71     @Benchmark
  72     @Warmup(iterations = 5)
  73     public int indexOfChar(BenchState state) {
  74         return state.lorem.indexOf(state.ch1);
  75     }
  76 
  77     @Benchmark
  78     @Warmup(iterations = 5)
  79     public int indexOfSingleCharString(BenchState state) {
  80         return state.lorem.indexOf(state.ch1string);
  81     }
  82 
  83     @Benchmark
  84     @Warmup(iterations = 5)
  85     public int indexOfSingleCharStringLong(BenchState state) {
  86         return state.longString.indexOf('x');
  87     }
  88 


  91     public int indexOfCharNotFound(BenchState state) {
  92         return state.lorem.indexOf(state.ch2);
  93     }
  94 
  95     @Benchmark
  96     @Warmup(iterations = 5)
  97     public int indexOfString(BenchState state) {
  98         return state.lorem.indexOf(state.s1);
  99     }
 100 
 101     @Benchmark
 102     @Warmup(iterations = 5)
 103     public int indexOfStringNotFound(BenchState state) {
 104         return state.lorem.indexOf(state.s2);
 105     }
 106 
 107     @Benchmark
 108     @Warmup(iterations = 5)
 109     public int compareTo(BenchState state) {
 110         return state.lorem.compareTo(state.loremLastChar);
 111     }
 112 
 113     @Benchmark
 114     @Warmup(iterations = 5)
 115     public String compressSmallString(BenchState state) {
 116         return new String(state.smallCharArray);
 117     }
 118 
 119     @Benchmark
 120     @Warmup(iterations = 5)
 121     public String compressLargeString(BenchState state) {
 122         return new String(state.largeCharArray);
 123     }
 124 
 125     @Benchmark
 126     @Warmup(iterations = 5)
 127     public char[] inflateSmallString(BenchState state) {
 128         return state.smallLorem.toCharArray();
 129     }
 130 
 131     @Benchmark
 132     @Warmup(iterations = 5)
 133     public char[] inflateLargeString(BenchState state) {
 134         return state.largeLorem.toCharArray();
 135     }
 136 }
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