Hello Daniel,

I tried the parameters that you sent. (without fft2)
These are the results:

Pentium IV at 2.66 GHz, Debian Etch, Linrad-02-28: 4%
Pentium IV at 2.66 GHz, Debian Etch, Linrad-02.21: 5%
Pentium III at 800 MHz, Suse 9.1, Linrad-02.28: 7%
Pentium III at 800 MHz, Suse 9.1, Linrad-02.21: 18%

This is in terminal mode with svgalib.

Under X11 the load is similar on the Pentium IV
but it is about 16% on the Pentium III for both
Linrad-02.21 and 02-28.

Linrad-02-28 should be identical to 02-27 when it comes to
timings. The differences are in the calibration routines only.

The differences I see between the latest and earlier versions
go in the opposite direction to what you observe. The difference
(by a factor of about 2.5) is very large and shows that I 
corrected some error. Presumably I did not do it right since
you observe a change in the opposite direction.

Are you running with svgalib or under X11? If X11, what is the
screen size and colour depth that you use?

73

Leif




> Hello Leif,
> 
> there seems to be significant increase from 02.23 to 02.27 regarding the CPU 
> usage.
> 
> On my system (AMD Duron 1,3 GHz, 512Mb RAM) I see the following figures:
> 
> Linux (Suse 9.1):
> 
> 02.19 (02.23 is the same)
> FFT2 off: 19%
> FFT2 on: 37%
> 
> 
> 02.27
> FFT2 off: 36%
> FFT2 on: 53%
> [EMAIL PROTECTED]
> ----------------
> 
> Win2K:
> wlr 02.27
> 
> FFT2 off: 22%
> FFT2 on: 37%
> 
> 
> This is with the same parameter files for all versions. It doesn't bother me 
> much, just curious to know why.
> 
> On ON5GN's system there is not much of an increase but Pierre is using modern 
> hardware.
> 
> 
> 73
> 
> Daniel, DL3IAE
> 
> -- 
> http://dl0ger-eme.dd8il.de/
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