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Re: [Cs-dev] Compiling linear algebra ops

Date2008-11-13 21:29
FromMichael Gogins
SubjectRe: [Cs-dev] Compiling linear algebra ops
Well, what is the speed difference on your platform?

I will measure and report what it is on Windows XP service pack 3 when I rebuild Csound again.

Regards,
Mike

-----Original Message-----
>From: Anthony Kozar 
>Sent: Nov 13, 2008 3:57 PM
>To: Csound Developer list 
>Subject: Re: [Cs-dev] Compiling linear algebra ops
>
>Sorry for this late reply.  I don't know what the speed difference is but
>with -ftree-vectorize, floats _might_ be significantly faster on G4 and G5
>machines (just speculating).
>
>I would like to help Victor get a regular doubles-based package going for OS
>X especially since I have read that new versions of blue need one.  However,
>we also need to continue supporting floats-based packages on OS X as long as
>certain key applications require it (MacCsound and maybe others).
>
>Anthony
>
>Jonatan Liljedahl wrote on 10/29/08 9:46 AM:
>
>> Note that packages compiled against (using the csound API) the usual float
>> csound framework/library will not work with a double version.
>> 
>>> Yes, only --useDouble=1.
>>> 
>>> No, there is no way to do both double and float, at least not without a
>>> lot more work.
>>> 
>>> I suggest you support only double. What is your speed difference?
>>> 
>>> Regards,
>>> Mike
>
>
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