Reading text file takes a long time after the first time

Dear experts LabVIEW,

I'm having a problem with playback of text file. I'm reading only each Nth line from a file to preview with this sub vi:

I seems to work the first time I do it well. The loop takes almost no time to perform an iteration.

Then when I load the same file with exactly the same parameters an iteration takes about 50ms.

Subsequent attempts always seem to take longer execution time.

Only when I restart the calling vi fast for a single file.

When executing the sub vi alone it is still fast, but I don't see how the main vi (too complex to post here) could hinder the execution of the Sub vi.

I have no one else to open the file in the main vi, I do not use too much memory...

Just now I have not now where to look. Does anyone have an idea?

Concerning

Florian


Tags: NI Software

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