1 /*
  2  * Copyright (c) 2025, 2026, 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.set;
 24 
 25 import jdk.internal.vm.annotation.LooselyConsistentValue;
 26 import jdk.internal.vm.annotation.NullRestricted;
 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 Value128NullFreeNonAtomic extends SetBase {
 34 
 35     public static class ValWrapper {
 36         @NullRestricted
 37         public ValueInt4 f;
 38 
 39         public ValWrapper(ValueInt4 f) {
 40             this.f = f;
 41             super();
 42         }
 43     }
 44 
 45     public interface InterfaceInt {
 46         public int value();
 47     }
 48 
 49     @LooselyConsistentValue
 50     public static value class ValueInt4 implements InterfaceInt {
 51 
 52         public final int prevalue0;
 53         public final int prevalue1;
 54         public final int prevalue2;
 55 
 56         public final int value;
 57 
 58         public ValueInt4(int value) {
 59             this.prevalue0 = value;
 60             this.prevalue1 = value;
 61             this.prevalue2 = value;
 62             this.value = value;
 63         }
 64 
 65         public int value() {
 66             return value;
 67         }
 68 
 69     }
 70 
 71     public static class RefState extends SizeState {
 72         public ValWrapper[] arr;
 73 
 74         @Setup
 75         public void setup() {
 76             arr = new ValWrapper[size];
 77             for (int i = 0; i < size; i++) {
 78                 arr[i] = new ValWrapper(new ValueInt4(i));
 79             }
 80         }
 81     }
 82 
 83     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 84     public ValueInt4 get_val(int i) {
 85         return new ValueInt4(i);
 86     }
 87 
 88     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 89     public void set_new(ValWrapper[] dst) {
 90         for (int i = 0; i < dst.length; i++) {
 91             dst[i].f = new ValueInt4(i);
 92         }
 93     }
 94 
 95     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 96     public void set_call(ValWrapper[] dst) {
 97         for (int i = 0; i < dst.length; i++) {
 98             dst[i].f = get_val(i);
 99         }
100     }
101 
102     @Benchmark
103     public void set_new_val(RefState st1) {
104         set_new(st1.arr);
105     }
106 
107     @Benchmark
108     public void set_call_val(RefState st1) {
109         set_call(st1.arr);
110     }
111 
112 }