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.field.copy; 24 25 import jdk.internal.vm.annotation.NullRestricted; 26 import jdk.internal.vm.annotation.Strict; 27 import org.openjdk.jmh.annotations.Benchmark; 28 import org.openjdk.jmh.annotations.CompilerControl; 29 import org.openjdk.jmh.annotations.Fork; 30 import org.openjdk.jmh.annotations.Setup; 31 32 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"}) 33 public class Value128NullFree extends CopyBase { 34 35 public static class ValWrapper { 36 @Strict 37 @NullRestricted 38 public ValueInt4 f; 39 40 public ValWrapper(ValueInt4 f) { 41 this.f = f; 42 } 43 } 44 45 public static class IntWrapper { 46 public InterfaceInt f; 47 48 public IntWrapper(ValueInt4 f) { 49 this.f = f; 50 } 51 } 52 53 54 public interface InterfaceInt { 55 public int value(); 56 } 57 58 public static value class ValueInt4 implements InterfaceInt { 59 60 public final int prevalue0; 61 public final int prevalue1; 62 public final int prevalue2; 63 64 public final int value; 65 66 public ValueInt4(int value) { 67 this.prevalue0 = value; 68 this.prevalue1 = value; 69 this.prevalue2 = value; 70 this.value = value; 71 } 72 73 public int value() { 74 return value; 75 } 76 77 } 78 79 public static class ValState extends SizeState { 80 public ValWrapper[] arr; 81 82 @Setup 83 public void setup() { 84 arr = new ValWrapper[size]; 85 for (int i = 0; i < size; i++) { 86 arr[i] = new ValWrapper(new ValueInt4(i)); 87 } 88 } 89 } 90 91 public static class IntState extends SizeState { 92 public IntWrapper[] arr; 93 94 @Setup 95 public void setup() { 96 arr = new IntWrapper[size]; 97 for (int i = 0; i < size; i++) { 98 arr[i] = new IntWrapper(new ValueInt4(i)); 99 } 100 } 101 } 102 103 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 104 public void copy(ValWrapper[] dst, ValWrapper[] src) { 105 for (int i = 0; i < src.length; i++) { 106 dst[i].f = src[i].f; 107 } 108 } 109 110 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 111 public void copy_to_int(IntWrapper[] dst, ValWrapper[] src) { 112 for (int i = 0; i < src.length; i++) { 113 dst[i].f = src[i].f; 114 } 115 } 116 117 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 118 public void copy_to_val(ValWrapper[] dst, IntWrapper[] src) { 119 for (int i = 0; i < src.length; i++) { 120 dst[i].f = (ValueInt4) src[i].f; 121 } 122 } 123 124 @Benchmark 125 public void copy_val(ValState st1, ValState st2) { 126 copy(st1.arr, st2.arr); 127 } 128 129 @Benchmark 130 public void copy_val_to_int(IntState st1, ValState st2) { 131 copy_to_int(st1.arr, st2.arr); 132 } 133 134 @Benchmark 135 public void copy_int_to_val(ValState st1, IntState st2) { 136 copy_to_val(st1.arr, st2.arr); 137 } 138 139 }