>> Our runs show about 7-10 speedup, Sorry, typo 7-10% speedup чт, 2 дек. 2021 г. в 12:01, Ivan Daschinsky <ivanda...@gmail.com>:
> Andrey, thanks! > > This allocator can be tested on every NUMA system. > Our runs show about 7-10 speedup, if we use allocattor with interleaved > strategy + -XX:+UseNUMA. > But unfortunately our yardstick benches doesn't use offheap a lot, usually > above one Gb. > We trying to do more benches with real data and share them, possibly in > meetup. > > AFAIK, GG lab servers are two-sockets machines, aren't they? So it is > worth to run benches with a lot data on them, using > allocator with interleaved strategy (you can skip specifying numa nodes, > by default it will use all available) and use -XX:+UseNUMA jvm > flag. > > > > чт, 2 дек. 2021 г. в 11:48, Andrey Mashenkov <andrey.mashen...@gmail.com>: > >> Ivan, >> >> Great job. PR looks good. >> >> This allocator in interleaved mode and passing `-XX:+UseNUMA` flag to jvm >> > show promising results on yardstick benches. Technically, G1 is not a >> numa >> > aware collector for java versions less than 14, but allocation of heap >> in >> > interleaved mode shows good results even on java 11. >> >> Can you share benchmark results? >> I'm not sure I'll have an Optane on my notebook in a reasonable time ;) >> >> >> On Thu, Dec 2, 2021 at 10:41 AM Ivan Daschinsky <ivanda...@gmail.com> >> wrote: >> >> > Semyon D. and Maks T. -- thanks a lot for review. >> > >> > BTW, Igniters, I will appreciate all opinions and feedback. >> > >> > пн, 29 нояб. 2021 г. в 10:13, Ivan Daschinsky <ivanda...@apache.org>: >> > >> > > Hi, igniters! >> > > >> > > There is not a big secret that nowadays NUMA is quite common in >> > > multiprocessor systems. >> > > And this memory architecture should be treated in specific ways. >> > > >> > > Support for NUMA is present in many commercial and open-source >> products. >> > > >> > > I've implemented a NUMA aware allocator for Apache Ignite [1] >> > > It is a JNI wrapper around `libnuma` and supports different allocation >> > > options. >> > > I.e. interleaved, local, interleved_mask and so on. For more >> information, >> > > see >> > > [2], [3]. >> > > This allocator in interleaved mode and passing `-XX:+UseNUMA` flag to >> jvm >> > > show promising results on yardstick benches. Technically, G1 is not a >> > numa >> > > aware collector for java versions less than 14, but allocation of >> heap in >> > > interleaved mode shows good results even on java 11. >> > > >> > > Currently, all needed libraries and tools for building this module are >> > > available on TC agents >> > > setup of specific test suite is in progress [4] >> > > >> > > So I am asking for a review of my patch. >> > > >> > > [1] -- https://issues.apache.org/jira/browse/IGNITE-15922 >> > > [2] -- https://man7.org/linux/man-pages/man3/numa.3.html >> > > [3] -- https://man7.org/linux/man-pages/man2/mbind.2.html >> > > [4] -- https://issues.apache.org/jira/browse/IGNITE-15994 >> > > >> > >> > >> > -- >> > Sincerely yours, Ivan Daschinskiy >> > >> >> >> -- >> Best regards, >> Andrey V. Mashenkov >> > > > -- > Sincerely yours, Ivan Daschinskiy > -- Sincerely yours, Ivan Daschinskiy
