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Adds a JMH benchmark to test BufferedTokenizerExt class #16564

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Merged
andsel merged 4 commits into from
Oct 16, 2024
Merged

Adds a JMH benchmark to test BufferedTokenizerExt class #16564

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59c5594
Adds a JMH benchmark to test BufferedTokenizerExt class
andsel Oct 16, 2024
7841111
[Gradle] removed deprecations warning for 9.0
andsel Oct 16, 2024
8e23aeb
Minor, removed commented line
andsel Oct 16, 2024
8af89ba
Remove redundant @OperationsPerInvocation JMH config annotation
andsel Oct 16, 2024
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8 changes: 3 additions & 5 deletions logstash-core/benchmarks/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ jar {
}

ext {
jmh = 1.22
jmh = 1.37
}

dependencies {
Expand Down Expand Up @@ -79,17 +79,15 @@ tasks.register("jmh", JavaExec) {

dependsOn=[':logstash-core-benchmarks:clean', ':logstash-core-benchmarks:shadowJar']

main = "-jar"
mainClass = "-jar"

def include = project.properties.get('include', '')

doFirst {
args = [
"-Djava.io.tmpdir=${buildDir.absolutePath}",
"-XX:+UseConcMarkSweepGC", "-XX:CMSInitiatingOccupancyFraction=75",
"-XX:+UseCMSInitiatingOccupancyOnly", "-XX:+DisableExplicitGC",
"-XX:+HeapDumpOnOutOfMemoryError", "-Xms2g", "-Xmx2g",
shadowJar.archivePath,
shadowJar.archiveFile.get().asFile,
include
]
}
Expand Down
84 changes: 84 additions & 0 deletions ...h-core/benchmarks/src/main/java/org/logstash/benchmark/BufferedTokenizerExtBenchmark.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,84 @@
package org.logstash.benchmark;

import org.jruby.RubyArray;
import org.jruby.RubyString;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
import org.logstash.RubyUtil;
import org.logstash.common.BufferedTokenizerExt;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OperationsPerInvocation;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.infra.Blackhole;

import java.util.concurrent.TimeUnit;

import static org.logstash.RubyUtil.RUBY;

@Warmup(iterations = 3, time = 100, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 100, timeUnit = TimeUnit.MILLISECONDS)
@Fork(1)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Thread)
public class BufferedTokenizerExtBenchmark {

private BufferedTokenizerExt sut;
private ThreadContext context;
private RubyString singleTokenPerFragment;
private RubyString multipleTokensPerFragment;
private RubyString multipleTokensSpreadMultipleFragments_1;
private RubyString multipleTokensSpreadMultipleFragments_2;
private RubyString multipleTokensSpreadMultipleFragments_3;

@Setup(Level.Invocation)
public void setUp() {
sut = new BufferedTokenizerExt(RubyUtil.RUBY, RubyUtil.BUFFERED_TOKENIZER);
context = RUBY.getCurrentContext();
IRubyObject[] args = {};
sut.init(context, args);
singleTokenPerFragment = RubyUtil.RUBY.newString("a".repeat(512) + "\n");

multipleTokensPerFragment = RubyUtil.RUBY.newString("a".repeat(512) + "\n" + "b".repeat(512) + "\n" + "c".repeat(512) + "\n");

multipleTokensSpreadMultipleFragments_1 = RubyUtil.RUBY.newString("a".repeat(512) + "\n" + "b".repeat(512) + "\n" + "c".repeat(256));
multipleTokensSpreadMultipleFragments_2 = RubyUtil.RUBY.newString("c".repeat(256) + "\n" + "d".repeat(512) + "\n" + "e".repeat(256));
multipleTokensSpreadMultipleFragments_3 = RubyUtil.RUBY.newString("f".repeat(256) + "\n" + "g".repeat(512) + "\n" + "h".repeat(512) + "\n");
}

@SuppressWarnings("unchecked")
@Benchmark
public final void onlyOneTokenPerFragment(Blackhole blackhole) {
RubyArray<RubyString> tokens = (RubyArray<RubyString>) sut.extract(context, singleTokenPerFragment);
blackhole.consume(tokens);
}

@SuppressWarnings("unchecked")
@Benchmark
public final void multipleTokenPerFragment(Blackhole blackhole) {
RubyArray<RubyString> tokens = (RubyArray<RubyString>) sut.extract(context, multipleTokensPerFragment);
blackhole.consume(tokens);
}

@SuppressWarnings("unchecked")
@Benchmark
public final void multipleTokensCrossingMultipleFragments(Blackhole blackhole) {
RubyArray<RubyString> tokens = (RubyArray<RubyString>) sut.extract(context, multipleTokensSpreadMultipleFragments_1);
blackhole.consume(tokens);

tokens = (RubyArray<RubyString>) sut.extract(context, multipleTokensSpreadMultipleFragments_2);
blackhole.consume(tokens);

tokens = (RubyArray<RubyString>) sut.extract(context, multipleTokensSpreadMultipleFragments_3);
blackhole.consume(tokens);
}
}