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.set; 24 25 import jdk.internal.value.ValueClass; 26 import org.openjdk.jmh.annotations.Benchmark; 27 import org.openjdk.jmh.annotations.CompilerControl; 28 import org.openjdk.jmh.annotations.Fork; 29 import org.openjdk.jmh.annotations.Setup; 30 31 @Fork(value = 3, jvmArgsAppend = {"--enable-preview", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"}) 32 public class ValueOopNullFree extends SetBase { 33 34 public static class IdentityInt { 35 public final int value; 36 public IdentityInt(int value) { 37 this.value = value; 38 } 39 public int value() { 40 return value; 41 } 42 } 43 44 public interface InterfaceOop { 45 public IdentityInt value(); 46 } 47 48 public static value class ValueRef implements InterfaceOop { 49 50 public final IdentityInt value; 51 52 public ValueRef(IdentityInt value) { 53 this.value = value; 54 } 55 56 public IdentityInt value() { 57 return value; 58 } 59 60 } 61 62 public static class ValState extends SizeState { 63 public ValueRef[] arr; 64 65 @Setup 66 public void setup() { 67 arr = (ValueRef[]) ValueClass.newNullRestrictedAtomicArray(ValueRef.class, size, new ValueRef(new IdentityInt(0))); 68 for (int i = 0; i < size; i++) { 69 arr[i] = new ValueRef(new IdentityInt(i)); 70 } 71 } 72 } 73 74 public static class IntState extends SizeState { 75 public InterfaceOop[] arr; 76 77 @Setup 78 public void setup() { 79 arr = new InterfaceOop[size]; 80 for (int i = 0; i < size; i++) { 81 arr[i] = new ValueRef(new IdentityInt(i)); 82 } 83 } 84 85 } 86 87 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 88 public ValueRef get_val(int i) { 89 return new ValueRef(new IdentityInt(i)); 90 } 91 92 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 93 public InterfaceOop get_int(int i) { 94 return new ValueRef(new IdentityInt(i)); 95 } 96 97 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 98 public void set_new_val(ValueRef[] dst) { 99 for (int i = 0; i < dst.length; i++) { 100 dst[i] = new ValueRef(new IdentityInt(i)); 101 } 102 } 103 104 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 105 public void set_new_int(InterfaceOop[] dst) { 106 for (int i = 0; i < dst.length; i++) { 107 dst[i] = new ValueRef(new IdentityInt(i)); 108 } 109 } 110 111 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 112 public void set_call_val(ValueRef[] dst) { 113 for (int i = 0; i < dst.length; i++) { 114 dst[i] = get_val(i); 115 } 116 } 117 118 @CompilerControl(CompilerControl.Mode.DONT_INLINE) 119 public void set_call_int(InterfaceOop[] dst) { 120 for (int i = 0; i < dst.length; i++) { 121 dst[i] = get_int(i); 122 } 123 } 124 125 @Benchmark 126 public void set_new_val_as_val(ValState st1) { 127 set_new_val(st1.arr); 128 } 129 130 @Benchmark 131 public void set_new_int_as_int(IntState st1) { 132 set_new_int(st1.arr); 133 } 134 135 @Benchmark 136 public void set_call_val_as_val(ValState st1) { 137 set_call_val(st1.arr); 138 } 139 140 @Benchmark 141 public void set_call_int_as_int(IntState st1) { 142 set_call_int(st1.arr); 143 } 144 145 }