Could be gc, could be hotspot compiler, or could be library
There was a massive improvement in the performance of the G1 GC in u60 when
dealing with "humongous" objects; however I assume you wouldn't have been
using G1 before u60 for anything real (that was when it first became
usable.
If you at
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
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 optimi
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 anyth