89 lines
2.8 KiB
Java
89 lines
2.8 KiB
Java
/*
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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.*;
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import org.openjdk.jmh.infra.*;
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import java.util.concurrent.TimeUnit;
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@Warmup(iterations = 3, time = 2, timeUnit = TimeUnit.SECONDS)
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@Measurement(iterations = 4, time = 2, timeUnit = TimeUnit.SECONDS)
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@BenchmarkMode(Mode.Throughput)
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@OutputTimeUnit(TimeUnit.SECONDS)
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@State(Scope.Thread)
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@Fork(value=3)
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public class LoopUnroll {
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@Param({"16", "32", /* "64", "128", "256", "512", */ "1024"})
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private int VECLEN;
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private byte[][] a;
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private byte[][] b;
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private byte[][] c;
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@Setup
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public void init() {
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a = new byte[VECLEN][VECLEN];
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b = new byte[VECLEN][VECLEN];
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c = new byte[VECLEN][VECLEN];
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}
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@CompilerControl(CompilerControl.Mode.DONT_INLINE)
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private int run_workload1(int count, byte[][] a , byte[][] b, byte[][] c) {
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for(int i = 0; i < a.length; i++) {
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for (int j = 0; j < a[0].length; j++) {
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a[i][j] = (byte)(b[i][j] + c[i][j]);
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}
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}
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return a[count][count];
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}
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@Benchmark
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public void workload1_caller(Blackhole bh) {
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int r = 0;
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for(int i = 0 ; i < 100; i++) {
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r += run_workload1(i % a.length, a, b, c);
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}
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bh.consume(r);
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}
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@CompilerControl(CompilerControl.Mode.DONT_INLINE)
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private int run_workload2(int count, byte[][] a , byte[][] b) {
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for(int i = 0; i < b.length; i++) {
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for (int j = 0; j < b[0].length; j++) {
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a[i][j] = b[i][j];
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}
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}
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return a[count][count];
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}
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@Benchmark
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public void workload2_caller(Blackhole bh) {
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int r = 0;
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for(int i = 0 ; i < 100; i++) {
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r += run_workload2(i % a.length, a, b);
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}
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bh.consume(r);
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}
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}
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