1 /* 2 * Copyright (c) 2025, 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 package org.openjdk.bench.valhalla.array.fill; 24 25 import jdk.internal.value.ValueClass; 26 import jdk.internal.vm.annotation.LooselyConsistentValue; 27 import jdk.internal.vm.annotation.NullRestricted; 28 import jdk.internal.vm.annotation.Strict; 29 import org.openjdk.jmh.annotations.Benchmark; 30 import org.openjdk.jmh.annotations.CompilerControl; 31 import org.openjdk.jmh.annotations.Fork; 32 import org.openjdk.jmh.annotations.Scope; 33 import org.openjdk.jmh.annotations.Setup; 34 import org.openjdk.jmh.annotations.State; 35 36 import java.util.Arrays; 37 38 @Fork(value = 3, jvmArgsAppend = {"--enable-preview", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"}) 39 public class Value128NullFreeNonAtomic extends FillBase { 40 41 public interface InterfaceInt { 42 public int value(); 43 } 44 45 @LooselyConsistentValue 46 public static value class ValueInt4 implements InterfaceInt { 47 48 public final int prevalue0; 49 public final int prevalue1; 50 public final int prevalue2; 51 52 public final int value; 53 54 public ValueInt4(int value) { 55 this.prevalue0 = value; 56 this.prevalue1 = value; 57 this.prevalue2 = value; 58 this.value = value; 59 } 60 61 public int value() { 62 return value; 63 } 64 65 } 66 67 public static class ValState extends SizeState { 68 public ValueInt4[] arr; 69 70 @Setup 71 public void setup() { 72 arr = (ValueInt4[]) ValueClass.newNullRestrictedNonAtomicArray(ValueInt4.class, size, new ValueInt4(0)); 73 for (int i = 0; i < size; i++) { 74 arr[i] = new ValueInt4(i); 75 } 76 } 77 } 78 79 public static class StaticHolder { 80 @Strict 81 @NullRestricted 82 public static ValueInt4 VALUE = new ValueInt4(42); 83 } 84 85 @State(Scope.Thread) 86 public static class InstanceHolder { 87 @Strict 88 @NullRestricted 89 public ValueInt4 VALUE = new ValueInt4(42); 90 } 91 92 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 93 public ValueInt4 get_val(int i) { 94 return new ValueInt4(i); 95 } 96 97 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 98 public void fill_new_val(ValueInt4[] dst) { 99 for (int i = 0; i < dst.length; i++) { 100 dst[i] = new ValueInt4(42); 101 } 102 } 103 104 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 105 public void arrayfill_new_val(ValueInt4[] dst) { 106 Arrays.fill(dst, new ValueInt4(42)); 107 } 108 109 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 110 public void fill_local_val(ValueInt4[] dst) { 111 ValueInt4 local = get_val(42); 112 for (int i = 0; i < dst.length; i++) { 113 dst[i] = local; 114 } 115 } 116 117 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 118 public void arrayfill_local_val(ValueInt4[] dst) { 119 Arrays.fill(dst, get_val(42)); 120 } 121 122 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 123 public void fill_static_val(ValueInt4[] dst) { 124 for (int i = 0; i < dst.length; i++) { 125 dst[i] = StaticHolder.VALUE; 126 } 127 } 128 129 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 130 public void arrayfill_static_val(ValueInt4[] dst) { 131 Arrays.fill(dst, StaticHolder.VALUE); 132 } 133 134 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 135 public void fill_instance_val(ValueInt4[] dst, InstanceHolder ih) { 136 for (int i = 0; i < dst.length; i++) { 137 dst[i] = ih.VALUE; 138 } 139 } 140 141 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 142 public void arrayfill_instance_val(ValueInt4[] dst, InstanceHolder ih) { 143 Arrays.fill(dst, ih.VALUE); 144 } 145 146 @Benchmark 147 public void fill_new(ValState st1) { 148 fill_new_val(st1.arr); 149 } 150 151 @Benchmark 152 public void arrayfill_new(ValState st1) { 153 arrayfill_new_val(st1.arr); 154 } 155 156 @Benchmark 157 public void fill_local(ValState st1) { 158 fill_local_val(st1.arr); 159 } 160 161 @Benchmark 162 public void arrayfill_local(ValState st1) { 163 arrayfill_local_val(st1.arr); 164 } 165 166 @Benchmark 167 public void fill_static(ValState st1) { 168 fill_static_val(st1.arr); 169 } 170 171 @Benchmark 172 public void arrayfill_static(ValState st1) { 173 arrayfill_static_val(st1.arr); 174 } 175 176 @Benchmark 177 public void fill_instance(ValState st1, InstanceHolder ih) { 178 fill_instance_val(st1.arr, ih); 179 } 180 181 @Benchmark 182 public void arrayfill_instance(ValState st1, InstanceHolder ih) { 183 arrayfill_instance_val(st1.arr, ih); 184 } 185 186 }