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Re: [Discuss-gnuradio] WX GUI FFT Sink Performance

From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] WX GUI FFT Sink Performance
Date: Sat, 11 May 2013 15:59:18 -0400
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16
I figured that one out, but why is the performance so poor?

In other applications, I can push over half a million samples without causing issues.

Regards,

Mark McCarron
Your OpenGL implementation may suck.  

What sample rate are you using?

If it's quite a low rate, then with a large number of bins, there may be no way to achieve the given frame rate, given the sample rate, and FFT size.



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