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.copy; 24 25 import org.openjdk.jmh.annotations.Benchmark; 26 import org.openjdk.jmh.annotations.CompilerControl; 27 import org.openjdk.jmh.annotations.Fork; 28 import org.openjdk.jmh.annotations.Setup; 29 30 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"}) 31 public class Value128 extends CopyBase { 32 33 public interface InterfaceInt { 34 public int value(); 35 } 36 37 public static value class ValueInt4 implements InterfaceInt { 38 39 public final int prevalue0; 40 public final int prevalue1; 41 public final int prevalue2; 42 43 public final int value; 44 45 public ValueInt4(int value) { 46 this.prevalue0 = value; 47 this.prevalue1 = value; 48 this.prevalue2 = value; 49 this.value = value; 50 } 51 52 public int value() { 53 return value; 54 } 55 56 } 57 58 public static class ValState extends SizeState { 59 public ValueInt4[] arr; 60 61 @Setup 62 public void setup() { 63 arr = new ValueInt4[size]; 64 for (int i = 0; i < size; i++) { 65 arr[i] = new ValueInt4(i); 66 } 67 } 68 } 69 70 public static class IntState extends SizeState { 71 public InterfaceInt[] arr; 72 73 @Setup 74 public void setup() { 75 arr = new InterfaceInt[size]; 76 for (int i = 0; i < size; i++) { 77 arr[i] = new ValueInt4(i); 78 } 79 } 80 81 } 82 83 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 84 public void copy_val(ValueInt4[] dst, ValueInt4[] src) { 85 for (int i = 0; i < src.length; i++) { 86 dst[i] = src[i]; 87 } 88 } 89 90 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 91 public void copy_int(InterfaceInt[] dst, InterfaceInt[] src) { 92 for (int i = 0; i < src.length; i++) { 93 dst[i] = src[i]; 94 } 95 } 96 97 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 98 public void arraycopy_val(ValueInt4[] dst, ValueInt4[] src) { 99 System.arraycopy(src, 0, dst, 0, src.length); 100 } 101 102 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 103 public void arraycopy_int(InterfaceInt[] dst, InterfaceInt[] src) { 104 System.arraycopy(src, 0, dst, 0, src.length); 105 } 106 107 @Benchmark 108 public void copy_val_as_val(ValState st1, ValState st2) { 109 copy_val(st1.arr, st2.arr); 110 } 111 112 @Benchmark 113 public void arraycopy_val_as_val(ValState st1, ValState st2) { 114 arraycopy_val(st1.arr, st2.arr); 115 } 116 117 @Benchmark 118 public void copy_int_as_int(IntState st1, IntState st2) { 119 copy_int(st1.arr, st2.arr); 120 } 121 122 @Benchmark 123 public void arraycopy_int_as_int(IntState st1, IntState st2) { 124 arraycopy_int(st1.arr, st2.arr); 125 } 126 127 128 }