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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/profiles/FloatValueProfileTest.java @ 22501:a63bda98cfdb

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Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
author Christian Humer <christian.humer@oracle.com>
date Wed, 16 Dec 2015 16:38:13 +0100
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children 4ba1aa33fda4
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22501
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
Christian Humer <christian.humer@oracle.com>
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1 /*
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2 * Copyright (c) 2015, 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
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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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
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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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
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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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
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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16 * 2 along with this work; if not, write to the Free Software Foundation,
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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20 * or visit www.oracle.com if you need additional information or have any
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.profiles;
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24
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25 import static org.hamcrest.CoreMatchers.is;
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26 import static org.junit.Assert.assertEquals;
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27 import static org.junit.Assert.assertThat;
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28
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29 import org.junit.Before;
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30 import org.junit.Test;
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31 import org.junit.experimental.theories.DataPoint;
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32 import org.junit.experimental.theories.Theories;
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33 import org.junit.experimental.theories.Theory;
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34 import org.junit.runner.RunWith;
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35
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36 @RunWith(Theories.class)
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37 public class FloatValueProfileTest {
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38
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39 @DataPoint public static final float VALUE0 = Float.MIN_VALUE;
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40 @DataPoint public static final float VALUE1 = -0.0f;
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41 @DataPoint public static final float VALUE2 = +0.0f;
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42 @DataPoint public static final float VALUE3 = 14.5f;
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43 @DataPoint public static final float VALUE4 = Float.MAX_VALUE;
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44
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45 private static final float FLOAT_DELTA = 0.00001f;
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46
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47 private FloatValueProfile.Enabled profile;
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48
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49 @Before
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50 public void create() {
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51 profile = (FloatValueProfile.Enabled) FloatValueProfile.Enabled.create();
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52 }
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53
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54 @Test
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55 public void testInitial() {
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56 assertThat(profile.isGeneric(), is(false));
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57 assertThat(profile.isUninitialized(), is(true));
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58 profile.toString(); // test that it is not crashing
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59 }
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60
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61 @Theory
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62 public void testProfileOneFloat(float value) {
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63 float result = profile.profile(value);
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64
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65 assertThat(result, is(value));
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66 assertEquals(profile.getCachedValue(), value, FLOAT_DELTA);
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67 assertThat(profile.isUninitialized(), is(false));
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68 profile.toString(); // test that it is not crashing
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69 }
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70
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71 @SuppressWarnings("deprecation")
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72 @Theory
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73 public void testProfileTwoFloat(float value0, float value1) {
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74 float result0 = profile.profile(value0);
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75 float result1 = profile.profile(value1);
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76
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77 assertEquals(result0, value0, FLOAT_DELTA);
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78 assertEquals(result1, value1, FLOAT_DELTA);
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79
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80 if (PrimitiveValueProfile.exactCompare(value0, value1)) {
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81 assertEquals(profile.getCachedValue(), value0, FLOAT_DELTA);
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82 assertThat(profile.isGeneric(), is(false));
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83 } else {
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84 assertThat(profile.isGeneric(), is(true));
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85 }
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86 assertThat(profile.isUninitialized(), is(false));
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87 profile.toString(); // test that it is not crashing
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88 }
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89
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90 @SuppressWarnings("deprecation")
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91 @Theory
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92 public void testProfileThreeFloat(float value0, float value1, float value2) {
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93 float result0 = profile.profile(value0);
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94 float result1 = profile.profile(value1);
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95 float result2 = profile.profile(value2);
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96
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97 assertEquals(result0, value0, FLOAT_DELTA);
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98 assertEquals(result1, value1, FLOAT_DELTA);
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99 assertEquals(result2, value2, FLOAT_DELTA);
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100
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101 if (PrimitiveValueProfile.exactCompare(value0, value1) && PrimitiveValueProfile.exactCompare(value1, value2)) {
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102 assertEquals(profile.getCachedValue(), value0, FLOAT_DELTA);
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103 assertThat(profile.isGeneric(), is(false));
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104 } else {
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105 assertThat(profile.isGeneric(), is(true));
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106 }
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107 assertThat(profile.isUninitialized(), is(false));
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108 profile.toString(); // test that it is not crashing
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109 }
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110
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111 @Test
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112 public void testDisabled() {
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113 FloatValueProfile.Disabled p = (FloatValueProfile.Disabled) FloatValueProfile.Disabled.INSTANCE;
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114 assertThat(p.profile(VALUE0), is(VALUE0));
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115 assertThat(p.profile(VALUE1), is(VALUE1));
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116 assertThat(p.profile(VALUE2), is(VALUE2));
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117 assertThat(p.profile(VALUE3), is(VALUE3));
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118 assertThat(p.profile(VALUE4), is(VALUE4));
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119 p.toString(); // test that it is not crashing
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120 }
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121
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122 }