discuss-gnuradio
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] spu fft display


From: Eric Blossom
Subject: Re: [Discuss-gnuradio] spu fft display
Date: Thu, 3 Jul 2008 08:19:21 -0700
User-agent: Mutt/1.5.17 (2007-11-01)

On Thu, Jul 03, 2008 at 08:23:23AM -0600, Chuck Swiger wrote:
> Here's a hastily put together demo of using gcell.fft_vcc in a usrp/fft 
> gui, running at d=64 and fft_size=2048, using 6 spus:
>
> http://www.swigerco.com/spu_fft_2048_d64.jpg
>
> the ppu usage tops at about 90%. You can trade off d=32 for fft_size=1024.
> There is no windowing in gcs_fft_1d_r2.c at the moment.
>
> --Chuck
>

You go Chuck!

FYI, the intention is to "hot plug" the gcell-ized blocks over the top
of the normal blocks when possible at runtime.  Thus, eventually you
won't have to make any application mods to take advantage of them.

Eric




reply via email to

[Prev in Thread] Current Thread [Next in Thread]