[LAU] OS for realtime operation

[Moshe Werner]

Oh I see.
Thanks for the clarification and again please excuse my ignorance int the
field of computer technology :).

Just to get it right, some of you said that I don't need a real time
kernel? How that? Are there people on this list who do serious audio work
and do NOT use an rt-kernel? If so is it really recomended doing so?

Thanks again to you all!
Love Linux and the community...

Moshe

On Tue, Jan 10, 2012 at 9:17 PM, fred <f.rech at yahoo.fr> wrote:

>
>
> Le 10/01/2012 13:44, Paul Davis a écrit :
>
>  On 1/10/12, Jeremy Jongepier<jeremy at autostatic.**com<jeremy at autostatic.com>>
>>  wrote:
>>
>>
>>> On 01/09/12 23:01, Moshe Werner wrote:
>>>
>>>
>>>> Something little OT, but what exactly is the difference between
>>>> Windows/Mac, where one doesn't need an rt kernel to run realtime
>>>> processes,
>>>> and Linux which needs one?
>>>>
>>>>
>>> Hello Moshe,
>>>
>>> On Linux you don't need a real-time kernel to run real-time processes
>>> either.
>>>
>>>
>> to clarify a little more:
>>
>> 1) on linux, **access** to realtime scheduling is not necessarily
>> granted to normal users, unlike the situation on windows and OS X. on
>> any sane linux system, this is easy to alter. on any sane linux system
>> that targets music/pro-audio/media production, its already set up that
>> way and so there is no difference between these systems and windows or
>> OS X in this regard.
>>
>> 2) the PREEMPT_RT kernel is substantially "more realtime" than any
>> version of windows or OS X that you could lay your hands on. its more
>> like an actual realtime OS than the kind of general purpose OS that
>> regular Linux, Windows and OS X represent, though without actually
>> being suitable (quite) for "hard RT" tasks.
>>
>>
> To add, even if it's not IMHO something good, (clearly it's a shameful
> job) :
> Linux machines are the standard for "high frequency trading"
> Almost just because they can really go RT
>
>
>
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>>
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