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Re: [Discuss-gnuradio] GRC's graphical sinks performance issues
From: |
Marcus D. Leech |
Subject: |
Re: [Discuss-gnuradio] GRC's graphical sinks performance issues |
Date: |
Thu, 02 Sep 2010 01:08:17 -0400 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.11) Gecko/20100720 Fedora/3.0.6-1.fc12 Thunderbird/3.0.6 |
On 09/02/2010 12:52 AM, Matt Ettus wrote:
>
>
> This is where your problem is. If you are using decimation of 4 then
> you are sending 25 million samples per second to the display.
> However, you are telling it that its sample rate is 1 Million. Thus
> you are giving it 25 times as many samples per second as it expects.
> Tell it to expect 25 MS/s and you won't have any problem.
>
> Matt
>
25Msps with a 1.6GHz CPU, with default FFT display update rate? Aint
gonna happen, in my experience.
Smaller bandwidth, lower FFT update rate (5Hz, instead of the default
which is much higher).
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
- [Discuss-gnuradio] GRC's graphical sinks performance issues, Jack Ott, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Matt Ettus, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues,
Marcus D. Leech <=
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Jack Ott, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Marcus D. Leech, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Matt Ettus, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Marcus D. Leech, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Alexandru Csete, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Jack Ott, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Johnathan Corgan, 2010/09/02
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Jack Ott, 2010/09/03
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Eric Blossom, 2010/09/04
- Re: [Discuss-gnuradio] GRC's graphical sinks performance issues, Marcus D. Leech, 2010/09/04