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 }