Well I have exactly the same POS video card in all my PC's, a Matrox
G450 dual-head video card (same drivers also), I just installed Beta
8 in the PC I will be using for SDR work, and it works fine after a
fresh install and switching to DirectX.
Unlike my previous try, in this Dual-CPU Dell PC trying DirectX made
a big difference, the average load of the two CPU's went down to 1/2
of the usage before switching to DirectX. By the way, after running
for a while I ran FFTW3 and it further lowered the CPU usage, the 1/2
usage figure is after running FFTW3.
Unlike the single CPU system whose CPU load goes up and down on a
regular basis, the dual CPU load is fairly steady at around 10%.
Life is good when you have a POS video card that doesn't blow up on
your face. Besides right now I'm so over budget that buying a video
card is out of the question.
At 02:25 PM 12/17/2005, you wrote:
We have some clear cut examples of very good video cards that are
blowing up. This is Eric's first DirectX offering. It is just not
trivial to deal with these Microsoft tools so I would wait until some of
the dust settles on all this before you give up on your card. We
definitely have some issues with this release . We have one clear cut
case of FFTW3 not improving but hurting (the 64 bit CPU case) since GDI
was used.
There should be included in your distribution a new fftw_wisdom. It
really must be run with FFTW3. It can take a while depending on your
CPU. I think in the 64 bit CPU case it will make a difference. Let us
know if it does not. If you have the correct wisdom, when you start it
you should see it go up in increasing FFT size in the forward and then
again in the backward direction. On the bombing on initialization bug,
I have no clue what that is and Eric will have to deal with it. If
deleting the database does not fix the problem, I am lost.
Have a great weekend.
Bob
--
Laziness is the number one inspiration for ingenuity. Guilty as charged!
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Cecil Bayona
KD5NWA
www.qrpradio.com
"I fail to see why doing the same thing over and over and getting the
same results every time is insanity: I've almost proved it isn't;
only a few more tests now and I'm sure results will differ this time ... "
