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.fill;
 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.Scope;
 29 import org.openjdk.jmh.annotations.Setup;
 30 import org.openjdk.jmh.annotations.State;
 31 
 32 import java.util.Arrays;
 33 
 34 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
 35 public class Value032 extends FillBase {
 36 
 37     public interface InterfaceInt {
 38         public int value();
 39     }
 40 
 41     public static value class ValueInt implements InterfaceInt {
 42 
 43         public final int value;
 44 
 45         public ValueInt(int value) {
 46             this.value = value;
 47         }
 48 
 49         public int value() {
 50             return value;
 51         }
 52 
 53     }
 54 
 55     public static class ValState extends SizeState {
 56         public ValueInt[] arr;
 57 
 58         @Setup
 59         public void setup() {
 60             arr = new ValueInt[size];
 61             for (int i = 0; i < size; i++) {
 62                 arr[i] = new ValueInt(i);
 63             }
 64         }
 65     }
 66 
 67     public static class StaticHolder {
 68         public static ValueInt VALUE = new ValueInt(42);
 69     }
 70 
 71     @State(Scope.Thread)
 72     public static class InstanceHolder {
 73         public ValueInt VALUE = new ValueInt(42);
 74     }
 75 
 76     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 77     public ValueInt get_val(int i) {
 78         return new ValueInt(i);
 79     }
 80 
 81     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 82     public void fill_new_val(ValueInt[] dst) {
 83         for (int i = 0; i < dst.length; i++) {
 84             dst[i] = new ValueInt(42);
 85         }
 86     }
 87 
 88     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 89     public void arrayfill_new_val(ValueInt[] dst) {
 90         Arrays.fill(dst, new ValueInt(42));
 91     }
 92 
 93     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
 94     public void fill_local_val(ValueInt[] dst) {
 95         ValueInt local = get_val(42);
 96         for (int i = 0; i < dst.length; i++) {
 97             dst[i] = local;
 98         }
 99     }
100 
101     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
102     public void arrayfill_local_val(ValueInt[] dst) {
103         Arrays.fill(dst, get_val(42));
104     }
105 
106     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
107     public void fill_static_val(ValueInt[] dst) {
108         for (int i = 0; i < dst.length; i++) {
109             dst[i] = StaticHolder.VALUE;
110         }
111     }
112 
113     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
114     public void arrayfill_static_val(ValueInt[] dst) {
115         Arrays.fill(dst, StaticHolder.VALUE);
116     }
117 
118     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
119     public void fill_instance_val(ValueInt[] dst, InstanceHolder ih) {
120         for (int i = 0; i < dst.length; i++) {
121             dst[i] = ih.VALUE;
122         }
123     }
124 
125     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
126     public void arrayfill_instance_val(ValueInt[] dst, InstanceHolder ih) {
127         Arrays.fill(dst, ih.VALUE);
128     }
129 
130     @Benchmark
131     public void fill_new(ValState st1) {
132         fill_new_val(st1.arr);
133     }
134 
135     @Benchmark
136     public void arrayfill_new(ValState st1) {
137         arrayfill_new_val(st1.arr);
138     }
139 
140     @Benchmark
141     public void fill_local(ValState st1) {
142         fill_local_val(st1.arr);
143     }
144 
145     @Benchmark
146     public void arrayfill_local(ValState st1) {
147         arrayfill_local_val(st1.arr);
148     }
149 
150     @Benchmark
151     public void fill_static(ValState st1) {
152         fill_static_val(st1.arr);
153     }
154 
155     @Benchmark
156     public void arrayfill_static(ValState st1) {
157         arrayfill_static_val(st1.arr);
158     }
159 
160     @Benchmark
161     public void fill_instance(ValState st1, InstanceHolder ih) {
162         fill_instance_val(st1.arr, ih);
163     }
164 
165     @Benchmark
166     public void arrayfill_instance(ValState st1, InstanceHolder ih) {
167         arrayfill_instance_val(st1.arr, ih);
168     }
169 
170 }