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.NullRestricted; 27 import jdk.internal.vm.annotation.Strict; 28 import org.openjdk.jmh.annotations.Benchmark; 29 import org.openjdk.jmh.annotations.CompilerControl; 30 import org.openjdk.jmh.annotations.Fork; 31 import org.openjdk.jmh.annotations.Scope; 32 import org.openjdk.jmh.annotations.Setup; 33 import org.openjdk.jmh.annotations.State; 34 35 import java.util.Arrays; 36 37 @Fork(value = 3, jvmArgsAppend = {"--enable-preview", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"}) 38 public class Value128NullFree extends FillBase { 39 40 public interface InterfaceInt { 41 public int value(); 42 } 43 44 public static value class ValueInt4 implements InterfaceInt { 45 46 public final int prevalue0; 47 public final int prevalue1; 48 public final int prevalue2; 49 50 public final int value; 51 52 public ValueInt4(int value) { 53 this.prevalue0 = value; 54 this.prevalue1 = value; 55 this.prevalue2 = value; 56 this.value = value; 57 } 58 59 public int value() { 60 return value; 61 } 62 63 } 64 65 public static class ValState extends SizeState { 66 public ValueInt4[] arr; 67 68 @Setup 69 public void setup() { 70 arr = (ValueInt4[]) ValueClass.newNullRestrictedAtomicArray(ValueInt4.class, size, new ValueInt4(0)); 71 for (int i = 0; i < size; i++) { 72 arr[i] = new ValueInt4(i); 73 } 74 } 75 } 76 77 public static class StaticHolder { 78 @Strict 79 @NullRestricted 80 public static ValueInt4 VALUE = new ValueInt4(42); 81 } 82 83 @State(Scope.Thread) 84 public static class InstanceHolder { 85 @Strict 86 @NullRestricted 87 public ValueInt4 VALUE = new ValueInt4(42); 88 } 89 90 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 91 public ValueInt4 get_val(int i) { 92 return new ValueInt4(i); 93 } 94 95 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 96 public void fill_new_val(ValueInt4[] dst) { 97 for (int i = 0; i < dst.length; i++) { 98 dst[i] = new ValueInt4(42); 99 } 100 } 101 102 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 103 public void arrayfill_new_val(ValueInt4[] dst) { 104 Arrays.fill(dst, new ValueInt4(42)); 105 } 106 107 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 108 public void fill_local_val(ValueInt4[] dst) { 109 ValueInt4 local = get_val(42); 110 for (int i = 0; i < dst.length; i++) { 111 dst[i] = local; 112 } 113 } 114 115 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 116 public void arrayfill_local_val(ValueInt4[] dst) { 117 Arrays.fill(dst, get_val(42)); 118 } 119 120 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 121 public void fill_static_val(ValueInt4[] dst) { 122 for (int i = 0; i < dst.length; i++) { 123 dst[i] = StaticHolder.VALUE; 124 } 125 } 126 127 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 128 public void arrayfill_static_val(ValueInt4[] dst) { 129 Arrays.fill(dst, StaticHolder.VALUE); 130 } 131 132 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 133 public void fill_instance_val(ValueInt4[] dst, InstanceHolder ih) { 134 for (int i = 0; i < dst.length; i++) { 135 dst[i] = ih.VALUE; 136 } 137 } 138 139 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 140 public void arrayfill_instance_val(ValueInt4[] dst, InstanceHolder ih) { 141 Arrays.fill(dst, ih.VALUE); 142 } 143 144 @Benchmark 145 public void fill_new(ValState st1) { 146 fill_new_val(st1.arr); 147 } 148 149 @Benchmark 150 public void arrayfill_new(ValState st1) { 151 arrayfill_new_val(st1.arr); 152 } 153 154 @Benchmark 155 public void fill_local(ValState st1) { 156 fill_local_val(st1.arr); 157 } 158 159 @Benchmark 160 public void arrayfill_local(ValState st1) { 161 arrayfill_local_val(st1.arr); 162 } 163 164 @Benchmark 165 public void fill_static(ValState st1) { 166 fill_static_val(st1.arr); 167 } 168 169 @Benchmark 170 public void arrayfill_static(ValState st1) { 171 arrayfill_static_val(st1.arr); 172 } 173 174 @Benchmark 175 public void fill_instance(ValState st1, InstanceHolder ih) { 176 fill_instance_val(st1.arr, ih); 177 } 178 179 @Benchmark 180 public void arrayfill_instance(ValState st1, InstanceHolder ih) { 181 arrayfill_instance_val(st1.arr, ih); 182 } 183 184 }