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 }