[Top][All Lists]

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

Re: [Discuss-gnuradio] scope too slow?

From: cswiger
Subject: Re: [Discuss-gnuradio] scope too slow?
Date: Tue, 22 Feb 2005 15:13:20 -0500 (EST)

On Tue, 22 Feb 2005, Ramakrishnan Muthukrishnan wrote:
> I ran the following code and it just crawls my Athlon64 2Ghz to halt.
> 'top' shows that the memory usage goes on increasing and increasing.
> Anyone else experiencing the same problem? Is there anything wrong
> I am doing here? The code is given below.
>         sampling_freq = 8000
>         # create a probe
>         #block, fft_win = fftsink.make_fft_sink_f (self, panel, "Spectrum", 
> 2048, sampling_freq)
>         block, scope_win = scopesink.make_scope_sink_f (self, panel, 
> "time_domain", sampling_freq)

I think that's more a function of the fft size and the low sampling rate
than cpu speed.  Anyway I've noticed that audio freq fft
goes real slow with 2048 - change it to 256 or so for faster display.


reply via email to

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