Great picture 'In Place Struct' or 'replace the item.

Hi community

I have a basic question about performance and memory allocation.

In the past we sometimeise dealed with corresponding "memory full error" massage and a labview crash.

These are generally produce on relativley applications of long duration with a frequency of fast acquisition.

Typical data rate is about 100000 SGL numbers by up to 50ms.

As it seemed that the reallocation of the elements of an array may be the reason of the chrashes we use extensively now it the structures in PLACE to manipulate the table of pre initialized.

Here's my question.

Y at - it a general rule when it is best to replace a subset of the table by the function of the subset to replace LV or is it better to do a few large loops as shown in my code for replacements.

Personally, I'm worried about these loops (or ist is just OK) and the compiler is able to optimize these things.

Please indicate on these two topics---> CPU usage

---> Memory management issues

Thanks in advance

See you soon

Gernot

Just use replace table subset.  It is a unique function that does what you want.  And does it in place (no reallocation of memory).  It is also likely (cannot say with certainty) that it run faster that the Structure element inside a FOR loop.

Tags: NI Software

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