Re: [cdi-dev] microbenchmark for CDI performance

On Friday, 5 December 2014, 16:50, Jozef Hartinger <jharting(a)redhat.com&gt; wrote: > Actually, I was wrong. This *is* a valid optimization for CDI 1.0. It however *is not valid* for CDI 1.1+ as it breaks AlterableContext.destroy(). This is fixed in Weld 2.2.7.Final http://weld.cdi-spec.org/download/ On 10/21/2014 02:56 PM, Jozef Hartinger wrote: > For certain combinations of scopes this is a perfectly legal > optimization ;-) It's even mentioned in the spec (see 6.5.5). > > On 10/21/2014 02:46 PM, Mark Struberg wrote: >> Folks, you really scare me a bit! >> >> I debugged into it and for the first BeanManger#getReference I get a proxy. >> >> But for all other BeanManager#getReference I get the bare metal SimpleBeanWithoutInterceptor WITHOUT ANY PROXY. >> Can you confirm this? >> If so, then please tell me how you make this Serializable if it gets stored e.g in a Http Session? >> >> >> This is just not conform to the CDI spec I fear. I even consider this a blocker bug... >> >> LieGrue, >> strub >> >> >> >>> On Tuesday, 21 October 2014, 14:07, Jozef Hartinger <jharting(a)redhat.com&gt; wrote: >>>> Btw I've run your benchmark locally and observed the following results: >>> OWB 1.2.6: 9827ms >>> Weld 2.2.5.Final: 20ms >>> >>> ;-) >>> >>> I did however tweak the test a bit so that Weld's optimizations can be >>> leveraged[1]. I admit that in certain situations (like your test without >>> my change) Weld performs worse than it should and this is a good input >>> for us. >>> >>> As for the NPE you observed not sure what is going on there. Perhaps >>> WeldContextControl implementation in DeltaSpike is not really thread safe? >>> >>> Jozef >>> >>> [1] https://github.com/jharting/cdi-performance/commits/weld >>> >>> On 10/21/2014 01:43 PM, Jozef Hartinger wrote: >>>> Hi Mark, >>>> >>>> thanks for showcasting your new feature. Great to see OWB getting >>>> faster! As for the micro benchmark I suggest that you check out JMH[1]. >>>> >>>> If you need an input from the Weld team, use weld-dev(a)lists.jboss.org >>>> >>>> [1] http://openjdk.java.net/projects/code-tools/jmh/ >>>> >>>> On 10/21/2014 11:59 AM, Mark Struberg wrote: >>>>> Hi! >>>>> >>>>> Weld folks, I need some help with a micro benchmark: >>>>> >>>>> You know we've talked about disk footprint in SE, so I hacked >>> together a small microbenchmark and as a side effect we also got what is really >>> needed to have CDI running >>>>> https://github.com/struberg/cdi-performance >>>>> >>>>> I'm curious about missing some dependency excludes for Weld. >>>>> >>>>> could you please run >>>>> >>>>> $> mvn clean dependency:copy-dependencies -DincludeScope=compile >>> -PWeld -Dweld.version=2.2.5.Final >>>>> $> ls -al target/dependency/ >>>>> >>>>> and tell me which dependencies can be without having some CDI >>> functionality missing? >>>>> Feel free to pimp the pom and ship a pull request. >>>>> >>>>> >>>>> txs and LieGrue, >>>>> strub >>>>> _______________________________________________ >>>>> cdi-dev mailing list >>>>> cdi-dev(a)lists.jboss.org >>>>> https://lists.jboss.org/mailman/listinfo/cdi-dev >>>>> >>>>> Note that for all code provided on this list, the provider licenses the >>> code under the Apache License, Version 2 >>> (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas provided >>> on this list, the provider waives all patent and other intellectual property >>> rights inherent in such information. >>> >>>> _______________________________________________ >>>> cdi-dev mailing list >>>> cdi-dev(a)lists.jboss.org >>>> https://lists.jboss.org/mailman/listinfo/cdi-dev >>>> >>>> Note that for all code provided on this list, the provider licenses the >>> code under the Apache License, Version 2 >>> (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas provided >>> on this list, the provider waives all patent and other intellectual property >>> rights inherent in such information. >>> > _______________________________________________ > cdi-dev mailing list > cdi-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/cdi-dev > > Note that for all code provided on this list, the provider licenses the code under the Apache License, Version 2 (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas provided on this list, the provider waives all patent and other intellectual property rights inherent in such information.