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-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java2
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java2
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java2
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java99
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java2
5 files changed, 99 insertions, 8 deletions
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java
index 97c847ba93..913ca5a9e8 100644
--- a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java
@@ -69,8 +69,6 @@ public class CreateFileSnapshotBenchmark {
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(CreateFileSnapshotBenchmark.class.getSimpleName())
- // .addProfiler(StackProfiler.class)
- // .addProfiler(GCProfiler.class)
.forks(1).jvmArgs("-ea").build();
new Runner(opt).run();
}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java
index d3ada22df2..2ec5f1f19a 100644
--- a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java
@@ -128,8 +128,6 @@ public class FileMoveBenchmark {
Options opt = new OptionsBuilder()
.include(FileMoveBenchmark.class
.getSimpleName())
- // .addProfiler(StackProfiler.class)
- // .addProfiler(GCProfiler.class)
.forks(1).jvmArgs("-ea").build();
new Runner(opt).run();
}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java
index 858e2dc230..393edcbc92 100644
--- a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java
@@ -56,8 +56,6 @@ public class LookupFileStoreBenchmark {
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(LookupFileStoreBenchmark.class.getSimpleName())
- .addProfiler(StackProfiler.class)
- // .addProfiler(GCProfiler.class)
.forks(1).jvmArgs("-ea").build();
new Runner(opt).run();
}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java
new file mode 100644
index 0000000000..a2b59339bb
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2022, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.junit.MockSystemReader;
+import org.eclipse.jgit.util.SystemReader;
+import org.eclipse.jgit.util.sha1.SHA1;
+import org.eclipse.jgit.util.sha1.SHA1.Sha1Implementation;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+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.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+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;
+
+@State(Scope.Thread)
+public class SHA1Benchmark {
+
+ @State(Scope.Benchmark)
+ public static class BenchmarkState {
+
+ @Param({ "1", "2", "4", "8", "16", "32", "64" })
+ int size;
+
+ @Param({ "false", "true" })
+ boolean detectCollision;
+
+ @Param({ "java", "jdkNative" })
+ String impl;
+
+ private SecureRandom rnd;
+
+ byte[] content;
+
+ @Setup
+ public void setupBenchmark() {
+ SystemReader.setInstance(new MockSystemReader());
+ if (impl.equalsIgnoreCase(Sha1Implementation.JDKNATIVE.name())) {
+ System.setProperty("org.eclipse.jgit.util.sha1.implementation",
+ Sha1Implementation.JDKNATIVE.name());
+ }
+ content = new byte[size * 1024];
+ try {
+ rnd = SecureRandom.getInstanceStrong();
+ } catch (NoSuchAlgorithmException e) {
+ // ignore
+ }
+ rnd.nextBytes(content);
+ }
+
+ @TearDown
+ public void teardown() {
+ SystemReader.setInstance(null);
+ rnd = null;
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 2, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testSHA1(Blackhole blackhole, BenchmarkState state) {
+ SHA1 hash = SHA1.newInstance();
+ hash.setDetectCollision(state.detectCollision);
+ hash.update(state.content);
+ blackhole.consume(hash.digest());
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(SHA1Benchmark.class.getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java
index 73cc1c2234..caefd75d9b 100644
--- a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java
@@ -71,8 +71,6 @@ public class SimpleLruCacheBenchmark {
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(SimpleLruCacheBenchmark.class.getSimpleName())
- // .addProfiler(StackProfiler.class)
- // .addProfiler(GCProfiler.class)
.forks(1).jvmArgs("-ea").build();
new Runner(opt).run();
}