PC slows down after a while when running labview application 
Author Message
 PC slows down after a while when running labview application

I have a labview 6 application which is monitoring some data on a
feildpoint module, after a while this application slows down and there
is a lot of activity on the hard disk drive, also the cpu monitor says
100% activity.
Is it something to do with the PC or is it some other reason?

Thanks

Allan



Mon, 31 May 2004 20:22:01 GMT  
 PC slows down after a while when running labview application
Allan,
My first guess is "Who know's" without seing your VI and probing
around; but, to get you started, run your VI and use Labview's tool
"Profile VIs..." [Tools... Advanced...] and monitor memory and timing
statistics.  You may find a constantly increasing use of memory or a
VI that consumes an unusual amound of processor time.  Then you can
troubleshoot from there.
Good luck with it, Doug


Mon, 31 May 2004 21:23:03 GMT  
 PC slows down after a while when running labview application
As an addendum to Doug's correct answer... Things to look for are
uninitialized arrays feeding into shift registers, Build array and
insert into array with the array never having anything deleted.

When memory in the computer is full, the OS starts using virtual
memory on the hard drive. At this point, things slow down
dramatically. This is what the problem sounds like.

     Rob



Tue, 01 Jun 2004 02:32:15 GMT  
 
 [ 3 post ] 

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