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 jdk.internal.vm.annotation.LooselyConsistentValue;
 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", "--add-exports", "java.base/jdk.internal.value=ALL-UNNAMED"})
 33 public class Value032NullFreeNonAtomic extends SetBase {
 34 
 35     public interface InterfaceInt {
 36         public int value();
 37     }
 38 
 39     @LooselyConsistentValue
 40     public static value class ValueInt implements InterfaceInt {
 41 
 42         public final int value;
 43 
 44         public ValueInt(int value) {
 45             this.value = value;
 46         }
 47 
 48         public int value() {
 49             return value;
 50         }
 51 
 52     }
 53 
 54     public static class ValState extends SizeState {
 55         public ValueInt[] arr;
 56 
 57         @Setup
 58         public void setup() {
 59             arr = (ValueInt[]) ValueClass.newNullRestrictedNonAtomicArray(ValueInt.class, size, new ValueInt(0));
 60             for (int i = 0; i < size; i++) {
 61                 arr[i] = new ValueInt(i);
 62             }
 63         }
 64     }
 65 
 66     public static class IntState extends SizeState {
 67         public InterfaceInt[] arr;
 68 
 69         @Setup
 70         public void setup() {
 71             arr = new InterfaceInt[size];
 72             for (int i = 0; i < size; i++) {
 73                 arr[i] = new ValueInt(i);
 74             }
 75         }
 76 
 77     }
 78 
 79     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 80     public ValueInt get_val(int i) {
 81         return new ValueInt(i);
 82     }
 83 
 84     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 85     public InterfaceInt get_int(int i) {
 86         return new ValueInt(i);
 87     }
 88 
 89     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 90     public void set_new_val(ValueInt[] dst) {
 91         for (int i = 0; i < dst.length; i++) {
 92             dst[i] = new ValueInt(i);
 93         }
 94     }
 95 
 96     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 97     public void set_new_int(InterfaceInt[] dst) {
 98         for (int i = 0; i < dst.length; i++) {
 99             dst[i] = new ValueInt(i);
100         }
101     }
102 
103     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
104     public void set_call_val(ValueInt[] dst) {
105         for (int i = 0; i < dst.length; i++) {
106             dst[i] = get_val(i);
107         }
108     }
109 
110     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
111     public void set_call_int(InterfaceInt[] dst) {
112         for (int i = 0; i < dst.length; i++) {
113             dst[i] = get_int(i);
114         }
115     }
116 
117     @Benchmark
118     public void set_new_val_as_val(ValState st1) {
119         set_new_val(st1.arr);
120     }
121 
122     @Benchmark
123     public void set_new_int_as_int(IntState st1) {
124         set_new_int(st1.arr);
125     }
126 
127     @Benchmark
128     public void set_call_val_as_val(ValState st1) {
129         set_call_val(st1.arr);
130     }
131 
132     @Benchmark
133     public void set_call_int_as_int(IntState st1) {
134         set_call_int(st1.arr);
135     }
136 
137 }