109 lines
2.8 KiB
Java
109 lines
2.8 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.openjdk.bench.vm.compiler;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Fork;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.OutputTimeUnit;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.NANOSECONDS)
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@State(Scope.Thread)
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@Warmup(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
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@Measurement(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
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@Fork(value = 3)
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public class IterativeEA {
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public static int ii = 1;
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static class A {
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int i;
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public A(int i) {
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this.i = i;
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}
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}
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static class B {
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A a;
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public B(A a) {
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this.a = a;
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}
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}
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static class C {
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B b;
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public C(B b) {
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this.b = b;
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}
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}
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@Benchmark
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public int test1() {
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C c = new C(new B(new A(ii)));
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return c.b.a.i;
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}
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static class Point {
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int x;
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int y;
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int ax[];
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int ay[];
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}
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@Benchmark
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public int test2() {
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Point p = new Point();
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p.ax = new int[2];
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p.ay = new int[2];
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int x = 3;
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p.ax[0] = x;
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p.ay[1] = 3 * x + ii;
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return p.ax[0] * p.ay[1];
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}
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public static final Double dbc = Double.valueOf(1.);
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@Benchmark
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public double test3() {
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Double j1 = Double.valueOf(1.);
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Double j2 = Double.valueOf(1.);
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for (int i = 0; i< 1000; i++) {
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j1 = j1 + 1.;
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j2 = j2 + 2.;
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}
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return j1 + j2;
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}
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}
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