Editing a VI is very slow.

[MesaMike]

It's taking an inordinate amount of time to pop up properties dialog boxes for objects on my front panel, and it takes several minutes to save the VI.

I'm using LabVIEW 8.2

I have 15 waveform graphs arranged on 3 tabs and dozens of other boolean and numeric controls and indicators.

Is this what's to be expected?

[LabViewGuruWannabe]

Howdy,

I noticed a huge lag when I was working with very large data arrays for my charts. Everything would run great at first, but memory usuage would eventually max out. I did a lot of cleanup in the vi to reduce copies of the same data arrays, and there are some methods for maximizing efficiency with large data sets. I'm sure some of the guys here can point you to the right how-to's.

Good luck!

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[MattP]

That's much slower than the performance I see when working with 8.2, even with a complex front panel.  Performance is one of those areas that are affected by a wide range of factors, so we need to narrow it down.  Some things to know that would help pinpoint the problem:

Is the LabVIEW environment slow only when this VI is open, or do you notice this slowness regardless of what files you have open?
What is the size on disk of the VI?
How much physical memory is available in your system, and how much is being used when you experience this?
Is there anything 'unusual' about the VI itself?  Ex: XControls, front panel ActiveX containers, large picture controls?
Can you post the VI?

As general reference when dealing with large quantities of data at a time, I recommend Managing Large Data Sets In LabVIEW, in our Developer Zone.