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.callconv;
24
25 import org.openjdk.jmh.annotations.Benchmark;
26 import org.openjdk.jmh.annotations.BenchmarkMode;
27 import org.openjdk.jmh.annotations.CompilerControl;
28 import org.openjdk.jmh.annotations.Fork;
29 import org.openjdk.jmh.annotations.Measurement;
30 import org.openjdk.jmh.annotations.Mode;
31 import org.openjdk.jmh.annotations.OperationsPerInvocation;
32 import org.openjdk.jmh.annotations.OutputTimeUnit;
33 import org.openjdk.jmh.annotations.Scope;
34 import org.openjdk.jmh.annotations.Setup;
35 import org.openjdk.jmh.annotations.State;
36 import org.openjdk.jmh.annotations.Warmup;
37 import org.openjdk.jmh.infra.Blackhole;
38
39 import java.util.Arrays;
40 import java.util.concurrent.TimeUnit;
41
42 @Fork(value = 3, jvmArgsAppend = {"--enable-preview"})
43 @Warmup(iterations = 5, time = 1)
44 @Measurement(iterations = 5, time = 1)
45 @OutputTimeUnit(TimeUnit.NANOSECONDS)
46 @BenchmarkMode(Mode.AverageTime)
47 @State(Scope.Thread)
48 public class Value4 {
49
50 public static final int SIZE = 96; // must be divisible by 2 and 3 and around 100
51
52 public static value class ValueInt1 {
53
54 public final int v0;
55
56 public ValueInt1(int v0) {
57 this.v0 = v0;
58 }
59
60 public int value() {
61 return v0;
62 }
63
64 public static ValueInt1 valueOf(int value) {
65 return new ValueInt1(value);
66 }
67 }
68
69 public static value class ValueInt2 {
70
71 public final int v0, v1;
72
73 public ValueInt2(int v0, int v1) {
74 this.v0 = v0;
75 this.v1 = v1;
76 }
77
78 public int value0() {
79 return v0;
80 }
81
82 public static ValueInt2 valueOf(int v0, int v1) {
83 return new ValueInt2(v0, v1);
84 }
85 }
86
87 public static value class ValueInt4 {
88
89 public final int v0, v1, v2, v3;
90
91 public ValueInt4(int v0, int v1, int v2, int v3) {
92 this.v0 = v0;
93 this.v1 = v1;
94 this.v2 = v2;
95 this.v3 = v3;
96 }
97
98 public int value0() {
99 return v0;
100 }
101
102 public static ValueInt4 valueOf(int v0, int v1, int v2, int v3) {
103 return new ValueInt4(v0, v1, v2, v3);
104 }
105 }
106
107 public abstract static class InvocationLogic {
108 public abstract ValueInt1 compute(ValueInt1 v1, ValueInt1 v2, ValueInt1 v3, ValueInt1 v4);
109 public abstract ValueInt2 compute(ValueInt2 v1, ValueInt2 v2);
110 public abstract ValueInt4 compute(ValueInt4 v1);
111 }
112
113 public static class InvokeImpl1 extends InvocationLogic {
114 @Override
115 public ValueInt1 compute(ValueInt1 v1, ValueInt1 v2, ValueInt1 v3, ValueInt1 v4) {
116 return v1;
117 }
118 @Override
119 public ValueInt2 compute(ValueInt2 v1, ValueInt2 v2) {
120 return v1;
121 }
122 @Override
123 public ValueInt4 compute(ValueInt4 v1) {
124 return v1;
125 }
126 }
127
128 public static class InvokeImpl2 extends InvocationLogic {
129 @Override
130 public ValueInt1 compute(ValueInt1 v1, ValueInt1 v2, ValueInt1 v3, ValueInt1 v4) {
131 return v1;
132 }
133 @Override
134 public ValueInt2 compute(ValueInt2 v1, ValueInt2 v2) {
135 return v1;
136 }
137 @Override
138 public ValueInt4 compute(ValueInt4 v1) {
139 return v1;
140 }
141 }
142
143 public static class InvokeImpl3 extends InvocationLogic {
144 @Override
145 public ValueInt1 compute(ValueInt1 v1, ValueInt1 v2, ValueInt1 v3, ValueInt1 v4) {
146 return v1;
147 }
148 @Override
149 public ValueInt2 compute(ValueInt2 v1, ValueInt2 v2) {
150 return v1;
151 }
152 @Override
153 public ValueInt4 compute(ValueInt4 v1) {
154 return v1;
155 }
156 }
157
158 @State(Scope.Thread)
159 public static class StateTargets {
160 InvocationLogic[] arr;
161
162 @Setup
163 public void setup() {
164 arr = new InvocationLogic[SIZE];
165 Arrays.setAll(arr, i -> getImpl(i, 3));
166 }
167
168 private InvocationLogic getImpl(int i, int targets) {
169 return switch (i % targets) {
170 case 0 -> new InvokeImpl1();
171 case 1 -> new InvokeImpl2();
172 default -> new InvokeImpl3();
173 };
174 }
175 }
176
177 ValueInt1 a0 = ValueInt1.valueOf(42);
178 ValueInt1 a1 = ValueInt1.valueOf(43);
179 ValueInt1 a2 = ValueInt1.valueOf(44);
180 ValueInt1 a3 = ValueInt1.valueOf(45);
181
182 ValueInt2 b0 = ValueInt2.valueOf(42, 43);
183 ValueInt2 b1 = ValueInt2.valueOf(44, 45);
184
185 ValueInt4 c0 = ValueInt4.valueOf(42, 43, 44, 45);
186
187 @Benchmark
188 @OperationsPerInvocation(SIZE)
189 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
190 public void value_args4(Blackhole bh, StateTargets st) {
191 ValueInt1 v0 = a0;
192 ValueInt1 v1 = a1;
193 ValueInt1 v2 = a2;
194 ValueInt1 v3 = a3;
195 InvocationLogic[] arr = st.arr;
196 for (InvocationLogic t : arr) {
197 bh.consume(t.compute(v0, v1, v2, v3));
198 }
199 }
200
201 @Benchmark
202 @OperationsPerInvocation(SIZE)
203 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
204 public void value_args2(Blackhole bh, StateTargets st) {
205 ValueInt2 v0 = b0;
206 ValueInt2 v1 = b1;
207 InvocationLogic[] arr = st.arr;
208 for (InvocationLogic t : arr) {
209 bh.consume(t.compute(v0, v1));
210 }
211 }
212
213 @Benchmark
214 @OperationsPerInvocation(SIZE)
215 @CompilerControl(CompilerControl.Mode.DONT_INLINE)
216 public void value_args1(Blackhole bh, StateTargets st) {
217 ValueInt4 v0 = c0;
218 InvocationLogic[] arr = st.arr;
219 for (InvocationLogic t : arr) {
220 bh.consume(t.compute(v0));
221 }
222 }
223
224 }