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[Date Serialisation] Huge gap between JMH and JLBH Task(without context)

Hello Daniel,

The result is not comparable between the two tests.
I'm running the test on a iMac.

Do you have any ideas ?

Thanks,

[Thread-0] INFO net.openhft.affinity.AffinityLock - No isolated CPUs found, so assuming CPUs 1 to 3 available.
[main] INFO net.openhft.affinity.AffinityLock - Assigning cpu 2 to Thread[main,5,main]
Warm up complete (400000 iterations took 2.14s)
-------------------------------- BENCHMARK RESULTS (RUN 1) --------------------------------------------------------
Run time: 10.0s
Correcting for co-ordinated:true
Target throughput:100000/s = 1 message every 10us
End to End: (1,000,000)                         50/90 99/99.9 99.99/99.999 - worst was 2.6 / 672  119,540 / 163,580  163,580 / 163,580 - 163,580
OS Jitter (269,531)                             50/90 99/99.9 99.99 - worst was 4.7 / 15  50 / 672  8,000 - 36,700
-------------------------------------------------------------------------------------------------------------------
-------------------------------- BENCHMARK RESULTS (RUN 2) --------------------------------------------------------
Run time: 10.0s
Correcting for co-ordinated:true
Target throughput:100000/s = 1 message every 10us
End to End: (1,000,000)                         50/90 99/99.9 99.99/99.999 - worst was 2.6 / 92  4,590 / 12,320  15,990 / 16,520 - 16,520
OS Jitter (194,359)                             50/90 99/99.9 99.99 - worst was 4.7 / 14  40 / 319  2,290 - 23,590
-------------------------------------------------------------------------------------------------------------------
-------------------------------- BENCHMARK RESULTS (RUN 3) --------------------------------------------------------
Run time: 10.0s
Correcting for co-ordinated:true
Target throughput:100000/s = 1 message every 10us
End to End: (1,000,000)                         50/90 99/99.9 99.99/99.999 - worst was 2.6 / 270  10,750 / 40,890  47,190 / 47,190 - 47,190
OS Jitter (234,155)                             50/90 99/99.9 99.99 - worst was 4.7 / 14  44 / 401  1,800 - 15,470
-------------------------------------------------------------------------------------------------------------------
[main] INFO net.openhft.affinity.LockInventory - Releasing cpu 2 from Thread[main,5,main]
-------------------------------- SUMMARY (end to end)------------------------------------------------------------
Percentile   run1         run2         run3      % Variation   var(log)
50:             2.62         2.62         2.62         0.00        5.02
90:           671.74        92.16       270.34        56.31       10.11
99:        119537.66      4587.52     10747.90        47.24       16.41
99.9:      163577.86     12320.77     40894.46        60.72       20.25
99.99:     163577.86     15990.78     47185.92        56.53       21.03
worst:     163577.86     16515.07     47185.92        55.32       21.10
-------------------------------------------------------------------------------------------------------------------

/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/bin/java -Didea.launcher.port=7538 "-Didea.launcher.bin.path=/Applications/IntelliJ IDEA CE.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath "/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/lib/tools.jar:/Users/hwang/Developer/performance/LatencyTasks/target/classes:/Users/hwang/.m2/repository/net/openhft/chronicle-core/1.4.7/chronicle-core-1.4.7.jar:/Users/hwang/.m2/repository/org/slf4j/slf4j-api/1.7.14/slf4j-api-1.7.14.jar:/Users/hwang/.m2/repository/com/intellij/annotations/12.0/annotations-12.0.jar:/Users/hwang/.m2/repository/net/openhft/affinity/3.0.3/affinity-3.0.3.jar:/Users/hwang/.m2/repository/net/java/dev/jna/jna/4.2.1/jna-4.2.1.jar:/Users/hwang/.m2/repository/net/java/dev/jna/jna-platform/4.2.1/jna-platform-4.2.1.jar:/Users/hwang/.m2/repository/org/openjdk/jmh/jmh-core/1.10.4/jmh-core-1.10.4.jar:/Users/hwang/.m2/repository/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6.jar:/Users/hwang/.m2/repository/org/apache/commons/commons-math3/3.2/commons-math3-3.2.jar:/Users/hwang/.m2/repository/org/slf4j/slf4j-simple/1.7.14/slf4j-simple-1.7.14.jar:/Users/hwang/.m2/repository/org/apache/servicemix/bundles/org.apache.servicemix.bundles.quickfix/1.6.1_1/org.apache.servicemix.bundles.quickfix-1.6.1_1.jar:/Users/hwang/.m2/repository/org/apache/mina/mina-core/2.0.9/mina-core-2.0.9.jar:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar" com.intellij.rt.execution.application.AppMain org.latency.serialisation.date.DateSerialiseJMH
# JMH 1.10.4 (released 497 days ago, please consider updating!)
# VM version: JDK 1.8.0_101, VM 25.101-b13
# VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/bin/java
# VM options: -Didea.launcher.port=7538 -Didea.launcher.bin.path=/Applications/IntelliJ IDEA CE.app/Contents/bin -Dfile.encoding=UTF-8
# Warmup: 6 iterations, 1 s each
# Measurement: 5 iterations, 3 s each
# Timeout: 10 min per iteration
# Threads: 1 thread, will synchronize iterations
# Benchmark mode: Sampling time
# Benchmark: org.latency.serialisation.date.DateSerialiseJMH.test

# Run progress: 0.00% complete, ETA 00:00:21
# Fork: 1 of 1
# Warmup Iteration   1: n = 34661, mean = 13 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 3, 10, 14, 56, 1319, 15098, 39911 us/op
# Warmup Iteration   2: n = 27381, mean = 4 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 3, 6, 10, 23, 116, 424, 2437 us/op
# Warmup Iteration   3: n = 18298, mean = 4 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 4, 11, 25, 104, 498, 1243 us/op
# Warmup Iteration   4: n = 10445, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 3, 9, 21, 62, 141, 142 us/op
# Warmup Iteration   5: n = 11874, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 2, 3, 16, 49, 146, 146 us/op
# Warmup Iteration   6: n = 10662, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 3, 6, 17, 100, 491, 496 us/op
Iteration   1: n = 31695, mean = 4 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 2, 3, 17, 69, 3923, 21692 us/op
Iteration   2: n = 30529, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 3, 9, 18, 76, 557, 1614 us/op
Iteration   3: n = 33245, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 2, 3, 16, 61, 372, 615 us/op
Iteration   4: n = 33420, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 2, 3, 16, 54, 236, 601 us/op
Iteration   5: n = 33258, mean = 3 us/op, p{0.00, 0.50, 0.90, 0.95, 0.99, 0.999, 0.9999, 1.00} = 2, 2, 2, 4, 16, 54, 139, 157 us/op


Result "test":
  3.105 ±(99.9%) 0.466 us/op [Average]
  (min, avg, max) = (1.970, 3.105, 21692.416), stdev = 57.067
  CI (99.9%): [2.638, 3.571] (assumes normal distribution)
  Samples, N = 162147
        mean =      3.105 ±(99.9%) 0.466 us/op
         min =      1.970 us/op
  p( 0.0000) =      1.970 us/op
  p(50.0000) =      2.212 us/op
  p(90.0000) =      2.496 us/op
  p(95.0000) =      3.968 us/op
  p(99.0000) =     16.736 us/op
  p(99.9000) =     61.421 us/op
  p(99.9900) =    307.200 us/op
  p(99.9990) =  11143.524 us/op
  p(99.9999) =  21692.416 us/op
         max =  21692.416 us/op


# Run complete. Total time: 00:00:21

Benchmark                Mode     Cnt  Score   Error  Units
DateSerialiseJMH.test  sample  162147  3.105 ± 0.466  us/op

Process finished with exit code 0

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