[AG-TECH] Re: Display Machine Performance

[George Estes]

   This story sounds a little fishy.  It's a little hard to understand why 
an interface application, such as APWare, needs 100% of the CPU.
We tried the new version and then went back to the old version.
George


At 10:39 AM 3/15/2002 -0600, Art Ziarko wrote:
>I have spoken the Gentner tech support about apware in the past. They said
>the software will use less processor power if other applications need it. So
>in effect it  auto adjusts the processing power that it takes up
>Art
>
>----- Original Message -----
>From: "Osland, CD (Chris) " <C.D.Osland at rl.ac.uk>
>To: "Ag-Tech Mailing List (E-mail)" <ag-tech at mcs.anl.gov>; "ETF-ACCESSGRID
>(E-mail)" <ETF-ACCESSGRID at JISCMAIL.AC.UK>
>Cc: "Cope, KP (Keith)" <K.P.Cope at dl.ac.uk>; "Kummer, PS (Paul)"
><P.S.Kummer at dl.ac.uk>; "'Art Ziarko'" <aziarko at insors.com>
>Sent: Friday, March 15, 2002 10:29 AM
>Subject: Display Machine Performance
>
>
> > If there's one thing worse than having to confess you've screwed
> > up, it's having to confess it to a world-wide audience!
> >
> > Here goes.
> >
> > All my comments about the latest Matrox drivers for G200
> > and G450 improving Display machine performance are probably
> > wrong.  Art Ziarko [aziarko at insors.com] asked me whether I had
> > looked at CPU utilization before and after.  I hadn't before but have
> > just spent a couple of hours doing so after.
> >
> > The first thing I spotted (not difficult) was that utilization was 100%
> > however many video frames were open (including zero!).  Second
> > thing was the APServe was taking all available cycles.  As I mentioned,
> > we took the opportunity of AP-Ware running under W2000 to junk
> > the W98 machine and run AP-Ware in the Display machine.  Looks
> > like that little application thrashes around and is what is causing
> > us the problem.  If I kill off APserve, no sticky windows.  If I restart
> > it, sticky windows again.
> >
> > If anyone knows whether there's a fix to this, do say.  I'll be contacting
> > Gentner to see if they are aware of this behaviour, and whether they
> > have a fix.
> >
> > So I really don't know whether the new Matrox drivers are a good idea;
> > we always had the problem before (but were always running AP-Ware)
> > and when I did the tests on the Display machine (naturally, as I was
> > testing for video performance) I didn't bother starting AP-Ware.
> >
> > Just for the record, on our AMD Athlon 1.4 GHz
> >
> > 30 'small' video frames + Lobby thumbnails = 100%
> > 23 'small' video frames = 77%
> > 27 'small' + 1 'medium' + Lobby thumbnails = 93%
> > 4 'large' + Test Room thumbnails (about 16) = 40%
> >
> > [all the above with AP-Ware not running!]
> >
> > Cheers
> >
> > Chris O
> >
> > ____________________________________________________________________
> > Chris Osland                                               Office tel: +44
> > (0) 1235 446565
> > Digital Media and Access Grid                          Medialab tel: +44
>(0)
> > 1235 446459
> > BIT Department                                     Access Grid room tel:
>+44
> > (0) 1235 445666
> > e-mail:   C.D.Osland at rl.ac.uk                                       Fax:
>+44
> > (0) 1235 445597
> > CLRC Rutherford Appleton Laboratory (Bldg. R18)
> > Chilton, DIDCOT, Oxon OX11 0QX, UK
> > [The contents of this email are confidential and are for the use of the
> > intended recipient only.
> > If you are not the intended recipient do not take any action on it or show
> > it to anyone else,
> > but return this email to the sender and delete your copy of it.]
> >
> >
> >
> >
> >