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From Pierre De Rop <pierre.de...@gmail.com>
Subject Re: IPojo performance benchmark
Date Wed, 25 Jun 2014 10:05:00 GMT
Hi Clement,

I finally committed a stress test for dependency manager 4 in
https://svn.apache.org/repos/asf/felix/sandbox/pderop/dependencymanager-prototype/

So, I included in it a scenario using iPojo, and it seems that registering
around 300 services seems to take an important amount of time, so you might
want to look into the scenario test.

I hope I used the iPojo API correctly, I followed the documentation from
here:
http://felix.apache.org/documentation/subprojects/apache-felix-ipojo/apache-felix-ipojo-userguide/apache-felix-ipojo-api.html#a-simple-example;
so if you have time to take a look, let me know if there is something wrong
with the test and I will correct it.

The stress test is a subproject of dm and is located in
http://svn.apache.org/viewvc/felix/sandbox/pderop/dependencymanager-prototype/org.apache.felix.dm.benchmark/

I haved added a README here:
http://svn.apache.org/viewvc/felix/sandbox/pderop/dependencymanager-prototype/org.apache.felix.dm.benchmark/README?view=co

And the code used to declare iPojo components (using the iPojo API) is
located here:

http://svn.apache.org/viewvc/felix/sandbox/pderop/dependencymanager-prototype/org.apache.felix.dm.benchmark/src/org/apache/felix/dm/benchmark/ipojo/IpojoScenario.java?revision=1605212&view=co

hope this helps (and also that I used correctly the iPojo APi)

cheers;
/Pierre


On Sun, Jun 22, 2014 at 10:36 AM, Clement Escoffier <
clement.escoffier@gmail.com> wrote:

> Hi,
>
>
> On 22 juin 2014 at 00:14:26, Pierre De Rop (pierre.derop@gmail.com) wrote:
>
> Hello Clement,
>
> I'm also working on some benchmark related to dependency manager,
> declarative service, and after reading this post, I tried to incorporate a
> scenario using iPojo in my benchmark.
> And it seems that I'm also observing a performance problem.
>
> I will try to commit somewhere my benchmark program soon in my sandbox,
> however, I just made a quick jvisualvm, and it looks like I'm spending 95
> %
> of the time in the
> org.apache.felix.ipojo.IPojoFactory$RetryNameGenerator.generate method.
>
>
> That would make sense. This class is ensuring uniqueness, which is
> particularly expensive. It's something quite new, and for sure there are
> room for optimizations.
>
> Clement
>
>
>
>
>
> Here is a stacktrace, if this may help:
>
> "Thread-2" #30 prio=5 os_prio=0 tid=0x635f7c00 nid=0x47c1 runnable
> [0x62cfd000]
> java.lang.Thread.State: RUNNABLE
> at
>
> org.apache.felix.ipojo.IPojoFactory$RetryNameGenerator.generate(IPojoFactory.java:1149)
> at
>
> org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:302)
> - locked <0x67652198> (a
> java.util.Collections$SynchronizedRandomAccessList)
> - locked <0x95055f50> (a org.apache.felix.ipojo.ComponentFactory)
> at
>
> org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:240)
> at
>
> org.apache.felix.ipojo.api.ComponentType.createInstance(ComponentType.java:79)
> at
>
> org.apache.felix.dm.benchmark.ipojo.IPojoActivator$$Lambda$108/3740909.apply(Unknown
> Source)
> at
> org.apache.felix.dm.benchmark.controller.Helper.lambda$1(Helper.java:85)
> at
>
> org.apache.felix.dm.benchmark.controller.Helper$$Lambda$36/6147827.apply(Unknown
> Source)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
>
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1359)
> at
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
> at
>
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
> at
> java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
> at
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
> at
>
> org.apache.felix.dm.benchmark.ipojo.IPojoActivator.__M_start(IPojoActivator.java:96)
> at
>
> org.apache.felix.dm.benchmark.ipojo.IPojoActivator.start(IPojoActivator.java)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:483)
> at org.apache.felix.ipojo.util.Callback.call(Callback.java:237)
> at org.apache.felix.ipojo.util.Callback.call(Callback.java:193)
> at
>
> org.apache.felix.ipojo.handlers.lifecycle.callback.LifecycleCallback.call(LifecycleCallback.java:86)
> at
>
> org.apache.felix.ipojo.handlers.lifecycle.callback.LifecycleCallbackHandler.__M_stateChanged(LifecycleCallbackHandler.java:162)
> at
>
> org.apache.felix.ipojo.handlers.lifecycle.callback.LifecycleCallbackHandler.stateChanged(LifecycleCallbackHandler.java)
> at
> org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:560)
> at
> org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:440)
> at
>
> org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:179)
> at
>
> org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:319)
> - locked <0x6e5340d0> (a org.apache.felix.ipojo.ComponentFactory)
> at
>
> org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:240)
> at
>
> org.apache.felix.ipojo.api.ComponentType.createInstance(ComponentType.java:79)
> at
> org.apache.felix.dm.benchmark.ipojo.Activator.start(Activator.java:31)
> at
>
> org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:645)
> at org.apache.felix.framework.Felix.activateBundle(Felix.java:2152)
> at org.apache.felix.framework.Felix.startBundle(Felix.java:2070)
> at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:976)
> at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:963)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.startAndStop(BenchmarkControllerImpl.java:190)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.lambda$17(BenchmarkControllerImpl.java:104)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl$$Lambda$17/24713481.run(Unknown
> Source)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.durationOf(BenchmarkControllerImpl.java:229)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.lambda$11(BenchmarkControllerImpl.java:104)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl$$Lambda$15/17116744.applyAsLong(Unknown
> Source)
> at java.util.stream.LongPipeline$2$1.accept(LongPipeline.java:214)
> at
>
> java.util.stream.Streams$RangeLongSpliterator.forEachRemaining(Streams.java:235)
> at
> java.util.Spliterator$OfLong.forEachRemaining(Spliterator.java:757)
> at
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
> at
>
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
> at
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:576)
> at
>
> java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:255)
> at java.util.stream.LongPipeline.toArray(LongPipeline.java:484)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.lambda$2(BenchmarkControllerImpl.java:104)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl$$Lambda$14/9086622.accept(Unknown
> Source)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.lambda$16(BenchmarkControllerImpl.java:169)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl$$Lambda$11/14120199.accept(Unknown
> Source)
> at java.util.Optional.ifPresent(Optional.java:159)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.lambda$4(BenchmarkControllerImpl.java:168)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl$$Lambda$7/32522449.accept(Unknown
> Source)
> at
>
> java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at
>
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.forEachScenarioBundle(BenchmarkControllerImpl.java:166)
> at
>
> org.apache.felix.dm.benchmark.controller.impl.BenchmarkControllerImpl.run(BenchmarkControllerImpl.java:100)
> at java.lang.Thread.run(Thread.java:745)
>
> I'm using latest released ipojo + java8.
>
>
> (will do my best to commit the benchmark so you can take a look and check
> if my test is wrong or if there is really something to be verified
> somewhere in IPojo).
>
>
>
> cheers;
> /Pierre
>
>
> On Sat, Jun 21, 2014 at 9:49 AM, Clement Escoffier <
> clement.escoffier@gmail.com> wrote:
>
> > Hi,
> >
> > Thanks,
> >
> > I will have a look at it, and come back to you.
> >
> > Clement
> > On 21 juin 2014 at 09:21:46, Xander Uiterlinden (uiterlix@gmail.com)
> > wrote:
> >
> > Hi,
> >
> > A colleague of mine just pointed me at this discussion. I'm one of the
> two
> > persons that did the presentation on DM performance on the OSGi devcon.
> >
> > Regarding iPojo, we included it using the documentation on the site but
> are
> > not iPojo experts. I'd be happy to help in figuring out whether the
> results
> > are due to the tests or to the iPojo implementation itself.
> >
> > The code is at:
> > https://github.com/sandermak/osgi-dm-shootout/tree/master/benchmark
> >
> > Cheers,
> >
> > Xander
> >
>

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