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.Setup;
28 
29 import java.util.Arrays;
30 
31 public class Primitive032 extends FillBase {
32 
33     public static class PrimitiveState extends SizeState {
34         public int[] arr;
35 
36         @Setup
37         public void setup() {
38             arr = new int[size];
39             for (int i = 0; i < arr.length; i++) {
40                 arr[i] = i;
41             }
42         }
43     }
44 
45     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
46     private static void fill_primitive(int[] dst) {
47         for (int i = 0; i < dst.length; i++) {
48             dst[i] = 42;
49         }
50     }
51 
52     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
53     private static void arrayfill_primitive(int[] dst) {
54         Arrays.fill(dst, 42);
55     }
56 
57     @Benchmark
58     public void fill(PrimitiveState st1) {
59         fill_primitive(st1.arr);
60     }
61 
62     @Benchmark
63     public void arrayfill(PrimitiveState st1) {
64         arrayfill_primitive(st1.arr);
65     }
66 
67 
68 }