>>Additionally, to decrease the jitter and get more attention to your threads, >>you may try running as a root and switch to SCHED_FIFO priority and >>assign high priority there.
Absolutely – I am already doing this and I love the ability to control pthreads this way. However, now I wonder if it is also possible to have such control (affinity and/or priority) over the main Qt thread (including the event handler etc.). Thanks, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Donnerstag, 29. Dezember 2022 um 11:59 Uhr > Von: "coroberti" <corobe...@gmail.com> > An: "Alexander Carôt" <alexander_ca...@gmx.net> > Cc: interest@qt-project.org > Betreff: Re: [Interest] Thread-To-CPU-Core distribution > > On Thu, Dec 29, 2022 at 1:45 AM Alexander Carôt <alexander_ca...@gmx.net> > wrote: > > > > Hej Konrad, > > > > >>I can't hold back my curiosity, so I've got to ask: why? Why would you > > >>do that? Why do you assume you know better than the operating system? > > > > I totally understand the question and agree to anything else you state in > > your email below, however, I am dealing with a non-standard use case with > > comparably tough delay restrictions. I do it for R&D reasons related to > > remote music performances and the project where this works has been going > > into: > > > > https://www.soundjack.eu/ > > https://www.soundjack.eu/publications/ > > > > In this domain we are constantly seeking opportunities to improve > > audio/video low(est)-latency on x-platform standard hardware. > > > > Especially on cheaper hardware such as the Raspi thread distribution was a > > benefit in that regard especially when processing audio with 32 > > samples/block and probably less but I need to compare and evaluate it more > > intensively now. > > Additionally, to decrease the jitter and get more attention to your threads, > you may try running as a root and switch to SCHED_FIFO priority and > assign high priority there. > > https://github.com/ianohara/linux-rt-examples/blob/master/src/schedulerTest.c > > Kind regards, > Robert Iakobashvili > ............................ > _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
