[AG-TECH] Re: Display Machine Performance
tcoffin at ncsa.uiuc.edu
Fri Mar 15 13:38:52 CST 2002
G-ware pegs the proc on the machine we use to run it.
Talk about an appliance machine! btw, it works great.
At 11:21 AM 3/15/2002 -0600, George Estes wrote:
> This story sounds a little fishy. It's a little hard to understand
>an interface application, such as APWare, needs 100% of the CPU.
>We tried the new version and then went back to the old version.
>At 10:39 AM 3/15/2002 -0600, Art Ziarko wrote:
>>I have spoken the Gentner tech support about apware in the past. They
>>the software will use less processor power if other applications need
>>in effect it auto adjusts the processing power that it takes up
>>----- 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>;
>>(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
>> > however many video frames were open (including zero!). Second
>> > thing was the APServe was taking all available cycles. As I
>> > 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
>> > it, sticky windows again.
>> > If anyone knows whether there's a fix to this, do say. I'll be
>> > 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
>> > (0) 1235 446565
>> > Digital Media and Access Grid Medialab
>> > 1235 446459
>> > BIT Department Access Grid room
>> > (0) 1235 445666
>> > e-mail: C.D.Osland at rl.ac.uk
>> > (0) 1235 445597
>> > CLRC Rutherford Appleton Laboratory (Bldg. R18)
>> > Chilton, DIDCOT, Oxon OX11 0QX, UK
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Tom Coffin .......................... tcoffin at ncsa.uiuc.edu
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