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8252847: Optimize primitive arrayCopy stubs using AVX-512 masked instructions

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Reviewed-by: neliasso, kvn
This commit is contained in:
Jatin Bhateja 2020-10-10 06:29:38 +00:00
parent ec41046c5c
commit 4b5ac3abac
11 changed files with 1449 additions and 99 deletions
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121
test/micro/org/openjdk/bench/java/lang/ArrayCopyObject.java Normal file
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/*
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, Arm Limited. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.openjdk.bench.vm.compiler;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.results.Result;
import org.openjdk.jmh.results.RunResult;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import org.openjdk.jmh.runner.options.TimeValue;
import java.util.concurrent.TimeUnit;
import java.util.Arrays;
class MyClass {
public int field1;
public int field2;
public int field3;
public MyClass(int val) {
field1 = val;
field2 = val;
field3 = val;
}
}
@State(Scope.Benchmark)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public class ArrayCopyObject {
@Param({"31", "63", "127" , "2047" , "4095", "8191"}) private int size;
private MyClass [] src;
private MyClass [] dst;
@Setup
public void setup() {
src = new MyClass[size];
dst = new MyClass[size];
for (int i = 0; i < src.length ; i++) {
src[i] = new MyClass(i);
dst[i] = new MyClass(0);
}
}
@Benchmark
public void disjoint_micro() {
System.arraycopy(src, 0 , dst, 0 , size);
}
@Benchmark
public void conjoint_micro() {
System.arraycopy(src, 0 , src, 10 , size - 10 );
}
public static void main(String[] args) throws RunnerException {
String [] base_opts =
{ "-XX:+UnlockDiagnosticVMOptions ",
"-XX:+IgnoreUnrecognizedVMOptions ",
"-XX:UseAVX=3" };
String [] opts_str1 = {"-XX:-UseCompressedOops "};
String [] opts_str2 = {"-XX:+UseCompressedOops "};
Options baseOpts = new OptionsBuilder()
.include(ArrayCopyObject.class.getName())
.warmupTime(TimeValue.seconds(30))
.measurementTime(TimeValue.seconds(10))
.warmupIterations(1)
.measurementIterations(2)
.jvmArgs(base_opts)
.forks(1)
.build();
RunResult r1 = new Runner(new OptionsBuilder()
.parent(baseOpts)
.jvmArgs(opts_str1)
.build()).runSingle();
RunResult r2 = new Runner(new OptionsBuilder()
.parent(baseOpts)
.jvmArgs(opts_str2)
.build()).runSingle();
System.out.println(r1.getPrimaryResult().getScore() + r2.getPrimaryResult().getScore());
}
}