[linrad] Re: Forward FFT1

[Joe Taylor <joe@xxxxxxxxxxxxx>]

No, I am using two RF channels and I/Q data, with 96 kHz sampling and a 
Delta 44.  It works fine this way, using only about 15% of the CPU, but 
when experimenting with parameters I do not seem to be able to use FFT! 
versions above #2.

No doubt I am doing something foolish.

			-- Joe

leif@xxxxxxxxxx wrote:
> Hi Joe,
>
> The fft routine with SIMD instructions is a vailable only
> when the input is two rx channels with I/Q data. My guess
> is that you have selected a single RF channel.
>
> 73
>
> Leif / SM5BSZ
>
>  
>
> > What does one need to do to make available FFT version numbers larger 
> > than 2 for FFT1?  In particular, I would like to use version 5; but the 
> > parameter list shows that only versions 0-2 are available.
> >
> > I am running Linrad 1.34, on a Pentium IV machine that has the SIMD 
> > instructions.
> > 			-- 73, Joe, K1JT

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