I tried it only with 2 ins 2 outs, but jack had the 8 channels open, just wasnt used. I had some people telling me that they made it to 4ms latency with a RT kernel, proper IRQ settings and a Texas Instruments Firewire chipset
2010/11/14 Pedro Lopes <[email protected]> > Impressive low latency Ricardo, congrats. All channels working? Or a stereo > duplex(in+out) only? > > Best regards, > Pedro Lopes > > > On Sun, Nov 14, 2010 at 3:37 PM, Ricardo Lameiro <[email protected] > > wrote: > >> As Far as I tested it, yes. I tried 10.10 with a FA-101 and without RT >> kenel and already with the new FireWire stack/FFADO i could achieve 8 ms >> latency with a ricoh chipset. so for now it seems it is going very nice. >> altough much improvement is needed. Ubuntu studio team is working on >> workflows and and in some modifications for the next release (natty /11.04). >> If you want to tes the Alesio's RT kernels you can join the mailing list. >> For now, RT kernels will be provided via PPA repositories, so debugging and >> testing is very needed, more when people push hard the system, like with PD >> :D >> Ubuntu Studio team is commited to bring together most people connected to >> multimedia and working upstream, and mainly with debian multimedia. Also I >> should remeber that Ubuntu studio is a community version, with some help >> from canonical, (servers, QA, and some more stuff). >> >> 2010/11/14 Pierre Massat <[email protected]> >> >>> So Ubuntu 10 should be more efficient than 8.04 on the same machine? >>> >>> >>> 2010/11/14 Ricardo Lameiro <[email protected]> >>> >>> For now, FireWire devices are the ones that really gain with a RT kernel. >>>> The generic Kernels are becoming more and more timing eficient, they >>>> absorbed a lot of the RT patches made by Ingo Molnar et al. I dont know why >>>> didnt Ubuntu worked on your computer. If fedora worked, ubuntu should also >>>> work. >>>> >>>> 2010/11/14 Jose Luis Santorcuato <[email protected]> >>>> >>>> Hi List!, I use Linux Ubuntu 9.04, test 9.10 and 10.04... i prefer >>>>> ubuntu for ease and support, is confortable for replicate experiences in >>>>> the educational field. You can compile the low latency Kernel, and the >>>>> aplications are good. >>>>> >>>>> Best regards >>>>> >>>>> José >>>>> >>>>> >>>>> >>>>> >>>>> 2010/11/14 cyrille henry <[email protected]> >>>>> >>>>>> hello, >>>>>> >>>>>> you say that you need a RT kernel : did you benchmarck the difference >>>>>> between a RT kernel and a standard kernel? >>>>>> >>>>>> anyway, i'm using ubuntu 10.04 with no optimisation. >>>>>> compiling pd/Gem is very fast and easy, so i don't wait the official >>>>>> package... >>>>>> >>>>>> cyrille >>>>>> >>>>>> Le 14/11/2010 13:48, Pierre Massat a écrit : >>>>>> >>>>>>> Hi all! >>>>>>> >>>>>>> I have realized lately that Fedora/PlanetCCRMA may not be the best >>>>>>> linux >>>>>>> rt distro out there in terms of updates for Pd. So I wanted to >>>>>>> conduct a >>>>>>> survey among pd-list members to know who is using what. It seems like >>>>>>> Ubuntu Studio is the distro that's most frequently updated. Too bed >>>>>>> because the last time i tried to install it on my laptop it didn't >>>>>>> work... >>>>>>> Any advice would be appreciated. >>>>>>> I need a rt kernel, of course... >>>>>>> >>>>>>> Pierre >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> [email protected] mailing list >>>>>>> UNSUBSCRIBE and account-management -> >>>>>>> http://lists.puredata.info/listinfo/pd-list >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> [email protected] mailing list >>>>>> UNSUBSCRIBE and account-management -> >>>>>> http://lists.puredata.info/listinfo/pd-list >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> http://arselectronicachile.blogspot.com >>>>> http://comunicacionnativa.blogspot.com/ >>>>> http://www.myspace.com/santorcuato >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> [email protected] mailing list >>>>> UNSUBSCRIBE and account-management -> >>>>> http://lists.puredata.info/listinfo/pd-list >>>>> >>>>> >>>> >>>> >>>> -- >>>> Fagote / Contrafagote >>>> Bassoon / Contra-bassoon >>>> http://myspace.com/ricardolameiro >>>> >>>> _______________________________________________ >>>> [email protected] mailing list >>>> UNSUBSCRIBE and account-management -> >>>> http://lists.puredata.info/listinfo/pd-list >>>> >>>> >>> >> >> >> -- >> Fagote / Contrafagote >> Bassoon / Contra-bassoon >> http://myspace.com/ricardolameiro >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > > > -- > Pedro Lopes (ongoing MSc) > contact: [email protected] > website: http://web.ist.utl.pt/Pedro.Lopes > -- Fagote / Contrafagote Bassoon / Contra-bassoon http://myspace.com/ricardolameiro
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