1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package benchmarks.regression; 18 19 public class RealToStringBenchmark { 20 21 private static final float SMALL = -123.45f; 22 private static final float MEDIUM = -123.45e8f; 23 private static final float LARGE = -123.45e36f; 24 25 public void timeFloat_toString_NaN(int reps) { 26 for (int rep = 0; rep < reps; ++rep) { 27 Float.toString(Float.NaN); 28 } 29 } 30 31 public void timeFloat_toString_NEGATIVE_INFINITY(int reps) { 32 for (int rep = 0; rep < reps; ++rep) { 33 Float.toString(Float.NEGATIVE_INFINITY); 34 } 35 } 36 37 public void timeFloat_toString_POSITIVE_INFINITY(int reps) { 38 for (int rep = 0; rep < reps; ++rep) { 39 Float.toString(Float.POSITIVE_INFINITY); 40 } 41 } 42 43 public void timeFloat_toString_zero(int reps) { 44 for (int rep = 0; rep < reps; ++rep) { 45 Float.toString(0.0f); 46 } 47 } 48 49 public void timeFloat_toString_minusZero(int reps) { 50 for (int rep = 0; rep < reps; ++rep) { 51 Float.toString(-0.0f); 52 } 53 } 54 55 public void timeFloat_toString_small(int reps) { 56 for (int rep = 0; rep < reps; ++rep) { 57 Float.toString(SMALL); 58 } 59 } 60 61 public void timeFloat_toString_medium(int reps) { 62 for (int rep = 0; rep < reps; ++rep) { 63 Float.toString(MEDIUM); 64 } 65 } 66 67 public void timeFloat_toString_large(int reps) { 68 for (int rep = 0; rep < reps; ++rep) { 69 Float.toString(LARGE); 70 } 71 } 72 73 public void timeStringBuilder_small(int reps) { 74 for (int rep = 0; rep < reps; ++rep) { 75 new StringBuilder().append(SMALL); 76 } 77 } 78 79 public void timeStringBuilder_medium(int reps) { 80 for (int rep = 0; rep < reps; ++rep) { 81 new StringBuilder().append(MEDIUM); 82 } 83 } 84 85 public void timeStringBuilder_large(int reps) { 86 for (int rep = 0; rep < reps; ++rep) { 87 new StringBuilder().append(LARGE); 88 } 89 } 90 91 public void timeFormatter_small(int reps) { 92 for (int rep = 0; rep < reps; ++rep) { 93 String.format("%f", SMALL); 94 } 95 } 96 97 public void timeFormatter_medium(int reps) { 98 for (int rep = 0; rep < reps; ++rep) { 99 String.format("%f", MEDIUM); 100 } 101 } 102 103 public void timeFormatter_large(int reps) { 104 for (int rep = 0; rep < reps; ++rep) { 105 String.format("%f", LARGE); 106 } 107 } 108 109 public void timeFormatter_dot2f_small(int reps) { 110 for (int rep = 0; rep < reps; ++rep) { 111 String.format("%.2f", SMALL); 112 } 113 } 114 115 public void timeFormatter_dot2f_medium(int reps) { 116 for (int rep = 0; rep < reps; ++rep) { 117 String.format("%.2f", MEDIUM); 118 } 119 } 120 121 public void timeFormatter_dot2f_large(int reps) { 122 for (int rep = 0; rep < reps; ++rep) { 123 String.format("%.2f", LARGE); 124 } 125 } 126 } 127
