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Re: [Discuss-gnuradio] Memory allocation woes


From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] Memory allocation woes
Date: Thu, 01 Jul 2010 15:21:44 -0400
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On 06/29/2010 06:56 PM, Eric Blossom wrote:
> On
> If you pick a size with more factors of 2 and fewer factors of 5, life
> will get better :-)
>
> I have on occasion thought that it would be a good idea to switch to
> an alternate circular buffer strategy when the size blows up too much
> because of the alignment requirement.  The alternate would probably
> use memcpy to duplicate the appropriate portion of the buffer on
> return from general_work instead of the MMU trick.  I probably won't
> get to it this lifetime, but if you're interested, let me know and
> I'll give you my ideas on how to go about it.
>
> Eric
>
>
>   
OK, so I"m now seriously considering shifting the spectral processing
portion of my app out of
  Gnu Radio because of the memsplosion issues, so pointers to where to
start looking into this
  would be of some significant use!



-- 
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org





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