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Posted to commits@logging.apache.org by rg...@apache.org on 2015/10/13 03:50:41 UTC
[29/50] logging-log4j2 git commit: LOG4J2-1151 benchmark updates
LOG4J2-1151 benchmark updates
Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/f8700e72
Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/f8700e72
Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/f8700e72
Branch: refs/heads/LOG4J2-1136
Commit: f8700e721c80487fa961485636e0c7bd86baa377
Parents: 8d75506
Author: rpopma <rp...@apache.org>
Authored: Mon Oct 5 15:10:48 2015 +0200
Committer: rpopma <rp...@apache.org>
Committed: Mon Oct 5 15:10:48 2015 +0200
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.../log4j/perf/jmh/StringEncodingBenchmark.java | 119 ++++++++++++++-----
1 file changed, 86 insertions(+), 33 deletions(-)
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http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/f8700e72/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/StringEncodingBenchmark.java
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diff --git a/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/StringEncodingBenchmark.java b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/StringEncodingBenchmark.java
index 26f987c..4159b2a 100644
--- a/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/StringEncodingBenchmark.java
+++ b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/StringEncodingBenchmark.java
@@ -17,7 +17,11 @@
package org.apache.logging.log4j.perf.jmh;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
+import java.nio.charset.CharsetEncoder;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
@@ -31,70 +35,119 @@ import org.openjdk.jmh.annotations.State;
* Tests Log4j2 StringEncoding performance.
*/
// ============================== HOW TO RUN THIS TEST: ====================================
+//(Quick build: mvn -DskipTests=true clean package -pl log4j-perf -am )
//
-// single thread:
-// java -jar log4j-perf/target/benchmarks.jar ".*StringEncoding.*" -f 1 -wi 5 -i 5
+// java -jar log4j-perf/target/benchmarks.jar ".*StringEncoding.*" -f 1 -wi 5 -i 10
+//
+// Latency numbers instead of throughput:
+// java -jar log4j-perf/target/benchmarks.jar ".*StringEncoding.*" -f 1 -wi 5 -i 10 -tu ns -bm sample
//
// Usage help:
// java -jar log4j-perf/target/benchmarks.jar -help
//
@State(Scope.Thread)
public class StringEncodingBenchmark {
-
- private final static String STR = "AB!(%087936DZYXQWEIOP$#^~-=/><nb"; // length=32
+
+ private final static String LOGMSG = "2015-10-02 00:26:28,517 DEBUG (main) [o.a.l.l.p.j.StringEncodingBenchmark] - Very short log message."; // length=100
private static final String STRING_ISO8859_1 = "ISO-8859-1";
+ private static final String STRING_US_ASCII = "US-ASCII";
+ private static final String STRING_SHIFT_JIS = "SHIFT_JIS";
private static final Charset CHARSET_ISO8859_1 = Charset.forName(STRING_ISO8859_1);
private static final Charset CHARSET_DEFAULT = Charset.defaultCharset();
private static final String DEFAULT_ENCODING = CHARSET_DEFAULT.name();
- private static final String STRING_SHIFT_JIS = "SHIFT_JIS";
private static final Charset CHARSET_SHIFT_JIS = Charset.forName(STRING_SHIFT_JIS);
+ private static final Charset CHARSET_US_ASCII = Charset.forName(STRING_US_ASCII);
+ private static final CharsetEncoder ENCODER_SHIFT_JIS = CHARSET_SHIFT_JIS.newEncoder();
+ private static final CharsetEncoder ENCODER_ISO8859_1 = CHARSET_ISO8859_1.newEncoder();
+
+ @Benchmark
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytes() {
+ return LOGMSG.getBytes();
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesString88591() throws Exception {
+ return LOGMSG.getBytes(STRING_ISO8859_1);
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesCharSet88591() {
+ return LOGMSG.getBytes(CHARSET_ISO8859_1);
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesStringUsAscii() throws Exception {
+ return LOGMSG.getBytes(STRING_US_ASCII);
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesCharSetUsAscii() {
+ return LOGMSG.getBytes(CHARSET_US_ASCII);
+ }
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytes() {
- return STR.getBytes();
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesStringDefault() throws Exception {
+ return LOGMSG.getBytes(DEFAULT_ENCODING);
}
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytesString88591() throws Exception {
- return STR.getBytes(STRING_ISO8859_1);
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesCharSetDefault() {
+ return LOGMSG.getBytes(CHARSET_DEFAULT);
}
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytesCharSet88591() {
- return STR.getBytes(CHARSET_ISO8859_1);
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesStringShiftJIS() throws Exception {
+ return LOGMSG.getBytes(STRING_SHIFT_JIS);
}
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytesStringDefault() throws Exception {
- return STR.getBytes(DEFAULT_ENCODING);
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] stringGetBytesCharSetShiftJIS() {
+ return LOGMSG.getBytes(CHARSET_SHIFT_JIS);
}
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytesCharSetDefault() {
- return STR.getBytes(CHARSET_DEFAULT);
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] encoderShiftJIS() throws CharacterCodingException {
+ ByteBuffer buf = ENCODER_SHIFT_JIS.encode(CharBuffer.wrap(LOGMSG));
+ return buf.array();
}
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytesStringShiftJIS() throws Exception {
- return STR.getBytes(STRING_SHIFT_JIS);
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] encoderIso8859_1() throws CharacterCodingException {
+ ByteBuffer buf = ENCODER_ISO8859_1.encode(CharBuffer.wrap(LOGMSG));
+ return buf.array();
}
@Benchmark
- @BenchmarkMode(Mode.Throughput)
- @OutputTimeUnit(TimeUnit.SECONDS)
- public byte[] throughputStringGetBytesCharSetShiftJIS() {
- return STR.getBytes(CHARSET_SHIFT_JIS);
+ @BenchmarkMode(Mode.SampleTime)
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public byte[] customIso8859_1() throws CharacterCodingException {
+ final int length = LOGMSG.length();
+ final byte[] result = new byte[length];
+ for (int i = 0; i < length; i++) {
+ result[i] = (byte) LOGMSG.charAt(i);
+ }
+ return result;
}
}