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
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22  */
23 package org.openjdk.bench.valhalla.field.set;
24 
25 
26 import org.openjdk.jmh.annotations.BenchmarkMode;
27 import org.openjdk.jmh.annotations.Fork;
28 import org.openjdk.jmh.annotations.Measurement;
29 import org.openjdk.jmh.annotations.Mode;
30 import org.openjdk.jmh.annotations.OutputTimeUnit;
31 import org.openjdk.jmh.annotations.Param;
32 import org.openjdk.jmh.annotations.Scope;
33 import org.openjdk.jmh.annotations.State;
34 import org.openjdk.jmh.annotations.Warmup;
35 
36 import java.util.concurrent.TimeUnit;
37 
38 @Fork(3)
39 @Warmup(iterations = 5, time = 1)
40 @Measurement(iterations = 5, time = 1)
41 @OutputTimeUnit(TimeUnit.NANOSECONDS)
42 @BenchmarkMode(Mode.AverageTime)
43 public class SetBase {
44 
45     @State(Scope.Thread)
46     public static abstract class SizeState {
47 
48         @Param({
49                 "100",      // tiny size, to fit into all caches and check codegeneration quality
50                 "1000000"   // large size, to be out of all caches and memory effects
51         })
52         public int size;
53     }
54 
55 }