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 DDE problem with CPU usage.

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T O P I C    R E V I E W
cosy Posted - 06/08/2004 : 09:05:15 AM
Hi,
I use DDE for real time graphing in Origin 7 PRO.
Our Data aquisition system sends data at regular time intervals through DDE to Origin in Real Time.
We recently had a trial run and saw that the CPU usage was very less for the first few minutes (< 10%) and then it shot up to 50-70%.I tried changing various parameters, but it still showed the same results.
What could be the reason for this behaviour-CPU usage increasing with time?
Is it because of the size of the datasheet which also increases with time?
Is there a way to overcome this problem?

Thanks,
Deepak Samuel.

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