The large paintings of calculation time

Dear friends, dear LabVIEW developers,

I'm trying to reduce the time of calculation for large bays. (In real life I'm eliminating unimportant vertices of a 3D mesh.)

Migration from 8.6 to 2011 already has done a great job for me. And also I am pleased to run Windows 7 on a 64-bit computer.

But, imagine a pointer-oriented language where you'd change an array element, you do not expect the computing time to change with the actual length of the table.

Here, I work on a wide range of groups of array of length may be different (rather short, containing the indexes of the neighbors of my vertex).

My problem is that I really don't see the reason why (I'm happy) the 100 times more slow performance when having a 100 times more great picture at hand for the fair value of the Exchange.

Suggestions to work around to get the speed of the large paintings those comparable to small is greatly appreciated.

Kind regards

Jannis

PS: I tried DataValueReferences but just the computing time to get 1 million references is almost an hour.

Thank you guys!

You were very good!

Steven and Ben worked have been my brand of test bench has been poorly implemented, which Ben explained perfectly. This test has sent me the ghost hunting awaits the delay time for the large windows in the wrong place - the structure in Place.

My next mistake was my local chaos with different versions LV and 3 PCs: Altenbach and Jeff are of course right about to maintain the constant size of matrix comes mark reduction in a separate meter. I did this at a time in a lost version later - and not a not spot the difference of between ArraySubset and DeleteFromArray the icon for a while...

My time holes had to be hidden somewhere else. Thanks Ben, unfortunately those black dots of BufferAllocation are a bit small for my old eyes. Not know them at the end of the event and while loops!

Each 15 seconds I actually shorten the big picture at its actual size to display it in the 3D graph. Now, here's the little interesting: ArraySubset actually redirect the memory at the end of the event and while loops, while DeleteFromArray only! I don't know who wrote somewhere, just not where easily see you...

And to make it really bad: this allowance is probably made with each loop run little matter what this case has done - slowing of all stocks with it. (By the way: everything as a mem alloc comes even inside a case that is not running!)

Once again thank you all. For me it's back to work after a very long-term wild-goose chase.

Jannis

Tags: NI Software

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