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.copy;
24 
25 import org.openjdk.jmh.annotations.Benchmark;
26 import org.openjdk.jmh.annotations.CompilerControl;
27 import org.openjdk.jmh.annotations.Setup;
28 
29 public class Primitive032 extends CopyBase {
30 
31     public static class PrimitiveState extends SizeState {
32         public int[] arr;
33 
34         @Setup
35         public void setup() {
36             arr = new int[size];
37             for (int i = 0; i < arr.length; i++) {
38                 arr[i] = i;
39             }
40         }
41     }
42 
43     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
44     private static void copy_primitive(int[] dst, int[] src) {
45         for (int i = 0; i < src.length; i++) {
46             dst[i] = src[i];
47         }
48     }
49 
50     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
51     private static void arraycopy_primitive(int[] dst, int[] src) {
52         System.arraycopy(src, 0, dst, 0, src.length);
53     }
54 
55     @Benchmark
56     public void copy(PrimitiveState st1, PrimitiveState st2) {
57         copy_primitive(st1.arr, st2.arr);
58     }
59 
60     @Benchmark
61     public void arraycopy(PrimitiveState st1, PrimitiveState st2) {
62         arraycopy_primitive(st1.arr, st2.arr);
63     }
64 
65 }