VI Properties dialog is slow

Question

Has anyone experienced this with LV 8.5?  I have a large project open, and when I try to pull up the "VI Properties" dialog box it takes between 10 to 15 seconds to open.  It is a large DSC-based project (whether that has any relevance).
Thanks,
David Moerman

Answer 1

Hi Yi
I am currently using LV7.1.1f2 on three different machines, each with Daq 4.3 or 4.4. (The reason I am not using 8.5 is I am awaiting a graph bug fix). Each has WXP SP2 with latest updates. This slow opening of VI Properties dialog box has bedeviled me for years. Until today, I have just lived with it, getting frustrated each time. I have found that it appears randomly on different machines (I have used perhaps 15-20 with LV). Today I decided to see if anyone else has the same problem. Here are my findings:
1. Laptop (Dell M90, Intel dual core, 2 GB Ram) (See SysProps file, attached): It does not matter whether the CPU is idle or not, not what the size of the VI is. I created two empty VIs (A and B). Each time I rt clicked the icon and selected VI Properties, then timed it to see how long it took for the dialog box to appear. (I later I emptied the recycle bin - no change).
Test1
Open Vi A: Delay = 5 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = 5 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = 5 sec
Test2
Open Vi A: Delay = 5 sec
Wait about 10 sec
Open Vi A: Delay = 5 sec
Wait about 10 sec
Open Vi A: Delay = 5 sec
Wait about 10 sec
Open Vi A: Delay = 5 sec
Wait about 10 sec
Open Vi A: Delay = 5 sec
Test3
Open Vi A: Delay = 5 sec
Wait about 1 sec
Open Vi B: Delay = <1 sec
Wait about 1 sec
Open Vi B: Delay = <1 sec
Wait about 1 sec
Open Vi B: Delay = <1 sec
Wait about 1 sec
Open Vi B: Delay = 5 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = <1 sec
Wait about 1 sec
Open Vi A: Delay = 5 sec
Conclusions:
1. If one waits longer than say 5 sec between trying to open Vi Props, the delay is always present.
2. If one opens the VI props on same or another VI within a second or so, the delay disappears for a few times (2-4 maybe) then reappears.
2. Desktop PCs: Both AMD Dual Core 4200 XPs.
No delay  in opening VI properties in either case. In one case, the PC was running a bunch of LV apps which were using 30% of the total CPU%. The VI Props Dialog box still opened instantly, many times in a row, or first time after a long delay.
Attachments:
SysInfo_TimTower_DellM90laptop.zip ‏77 KB