[AG-TECH] Re: Display Machine Performance

Osland, CD (Chris) C.D.Osland at rl.ac.uk
Fri Mar 15 11:18:44 CST 2002

From: Robert Olson [mailto:olson at mcs.anl.gov]
>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.
>>in effect it  auto adjusts the processing power that it takes up
>However, if the video is not reacting well with the gentner software 
>running, it is apparently not doing it right. (I had the same interaction 
>with their tech support awhile ago ..)
>Chris - you're running on a uniprocessor system, right? If so, the APserve 
>is competing directly with the vic for the processor; on a dual-cpu system 
>it probably handles the load better..

Yup - single processor.  Up till now no problem.

Thanks to Art and Bob for relaying Gentner's replies.  To my
simple way of thinking a process that is driving a single serial
port at 9600 baud shouldn't be written in a way that hits another
process that is handling 10s of Mbits/sec of video data quite
happily, single processor or dual processor.  I'll get back to them
myself and see whether there's a workaround.



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

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