i've experience the same, a build about ~75 and another around ~95 introduced from the limited versions I've tested introduced some dramatic performance and memory improvements
i think one was around streams and the other around lambdas but that is also about u40 was April 14, 2015, and u121 was April 18, 2017, so you have 2 years of people using java 8 with real life applications and feeding back those changes John On 10 October 2017 at 00:03, Ole Ersoy <ole.er...@gmail.com> wrote: > Are you using streams? A while back I experimented with matrix > multiplication using streams and they can be very slow: > > https://stackoverflow.com/questions/35037893/java-8-stream-matrix-multiplication-10x-slower-than-for-loop > > So I would think that Java has a lot of performance tuning and optimization > it could do in this space. > > Cheers, > > Ole > > > > On 10/09/2017 04:20 PM, Rob Tompkins wrote: >> >> Hey all, >> >> At my day job we saw a 60% performance improvement (cpu utilization) >> between 1.8.0_40 and 1.8.0_121, and I was wondering if anyone else out there >> has seen anything like that before or if anyone might know what could cause >> that given that the release notes don’t directly point to anything. >> >> Cheers, >> -Rob >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org >> For additional commands, e-mail: dev-h...@commons.apache.org >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org