Re: [LAU] klang

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To: Rustom Mody <rustompmody@...>
Cc: <linux-audio-user@...>
Date: Thursday, August 2, 2012 - 3:18 am

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On Wed, Aug 1, 2012 at 10:53 PM, Rustom Mody wrote:

> Any pointers to why floating point in the kernel is such a no-no?

FPU register state is expensive to save+restore. no point in doing it all
the time when you hardly ever need to.

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On Wed, Aug 1, 2012 at 10:53 PM, Rustom =
Mody <rustompmody@gmail.com> wrote:
Any pointers to why floating point in the kernel is such a no-no?I coul=
d understand it when floating point happened in co-processors.FPU register state is expensive to save+restore. no point in d=
oing it all the time when you hardly ever need to.

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Messages in current thread:
[LAU] klang, Alexandre Prokoudine, (Tue Jul 31, 8:54 pm)
Re: [LAU] klang, Thijs van severen, (Tue Jul 31, 9:02 pm)
Re: [LAU] klang, Louigi Verona, (Tue Jul 31, 9:03 pm)
Re: [LAU] klang, Joel Roth, (Wed Aug 1, 4:56 am)
Re: [LAU] klang, Louigi Verona, (Wed Aug 1, 12:01 pm)
Re: [LAU] klang, Paul Davis, (Wed Aug 1, 12:09 pm)
Re: [LAU] klang, Louigi Verona, (Wed Aug 1, 12:34 pm)
Re: [LAU] klang, Oon-Ee Ng, (Thu Aug 2, 8:38 am)
Re: [LAU] klang, Thomas Vecchione, (Thu Aug 2, 11:12 am)
Re: [LAU] klang, Patrick Shirkey, (Thu Aug 2, 1:19 pm)
Re: [LAU] klang, Thomas Vecchione, (Thu Aug 2, 2:28 pm)
Re: [LAU] klang, Joe Hartley, (Thu Aug 2, 1:38 pm)
Re: [LAU] klang, Ken Restivo, (Thu Aug 2, 7:26 pm)
Re: [LAU] klang, Brett McCoy, (Thu Aug 2, 1:51 pm)
[LAU] OT: klang, Ralf Mardorf, (Sun Aug 5, 11:07 am)
Re: [LAU] klang, Folderol, (Thu Aug 2, 5:33 pm)
Re: [LAU] klang, Louigi Verona, (Thu Aug 2, 5:36 pm)
Re: [LAU] klang, Robin Gareus, (Thu Aug 2, 1:37 pm)
Re: [LAU] klang, Jeremy Jongepier, (Thu Aug 2, 2:19 pm)
Re: [LAU] klang, Paul Davis, (Thu Aug 2, 1:34 pm)
Re: [LAU] klang, Joe Hartley, (Thu Aug 2, 1:47 pm)
Re: [LAU] klang, michael noble, (Thu Aug 2, 9:16 am)
Re: [LAU] klang, Louigi Verona, (Thu Aug 2, 8:59 am)
Re: [LAU] klang, Oon-Ee Ng, (Thu Aug 2, 9:23 am)
Re: [LAU] klang, Nils, (Thu Aug 2, 9:04 am)
Re: [LAU] klang, Paul Davis, (Tue Jul 31, 9:06 pm)
Re: [LAU] klang, Fons Adriaensen, (Wed Aug 1, 7:50 pm)
Re: [LAU] klang, Rustom Mody, (Thu Aug 2, 2:53 am)
Re: [LAU] klang, Paul Davis, (Thu Aug 2, 3:18 am)
Re: [LAU] klang, Folderol, (Tue Jul 31, 9:32 pm)
Re: [LAU] klang, Louigi Verona, (Tue Jul 31, 9:18 pm)