[PD] Which Linux distribution are you using?

Ricardo Lameiro ricardolameiro at gmail.com
Sun Nov 14 16:56:00 CET 2010


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 <pedro.lopes at ist.utl.pt>

> 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 <ricardolameiro at gmail.com
> > 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 <pimassat at gmail.com>
>>
>>> So Ubuntu 10 should be more efficient than 8.04 on the same machine?
>>>
>>>
>>> 2010/11/14 Ricardo Lameiro <ricardolameiro at gmail.com>
>>>
>>> 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 <santorcuato76 at gmail.com>
>>>>
>>>> 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 <ch at chnry.net>
>>>>>
>>>>>> 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
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> http://arselectronicachile.blogspot.com
>>>>> http://comunicacionnativa.blogspot.com/
>>>>> http://www.myspace.com/santorcuato
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>>
>>>> --
>>>> Fagote / Contrafagote
>>>> Bassoon / Contra-bassoon
>>>> http://myspace.com/ricardolameiro
>>>>
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>>>>
>>>
>>
>>
>> --
>> Fagote / Contrafagote
>> Bassoon / Contra-bassoon
>> http://myspace.com/ricardolameiro
>>
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>>
>
>
> --
> Pedro Lopes (ongoing MSc)
> contact: pedro.lopes at ist.utl.pt
> website: http://web.ist.utl.pt/Pedro.Lopes
>



-- 
Fagote / Contrafagote
Bassoon / Contra-bassoon
http://myspace.com/ricardolameiro
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