Hi, I used to read the set of parameter data from the XML file and update each data’s in the output format of the array of cluster. While parsing the data VI taking time to parse data from the XML file. I have made the VI based on the output format which I have required further operation. Anyone can help me in this. Note : VIs snapshot attached in the message.

The built-in LabVIEW XML parsing is quite slow. See here, though the article is from 2013 I tried a while back and I still had a lot of slowdown when I tried using the built-in parser as well. There's another post here that does speed trials on XML reading, showing that LabVIEW's XML reader slows down exponentially with the size of the file. If you increase the number of elements in XML from 20 to 210, you'd expect the execution time to go up by a factor of 10 to 11, but in the experiment it goes up by a factor of 76. Solution is unfortunately to rewrite all your code using a different XML library.

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LabVIEW

How to reduce the execution time of the VI while parsing data from the XML file

Solved!

@dhana03 wrote:

Hi wiebe@CARYA,

Thanks for your reply.

I have build the code which way I wanted to read the XML file by using LibXML and the code attached previous thread.

I had some doubts about my code so only I have requested here.

Thanks for your support.

I don't think there are obvious problems. I didn't run the code, I don't have that XML toolkit installed.

There is a lot of code in one VI though. I'd try to split things up a bit. Depending on how much more of this stuff you have to do, I'd consider a VI (or .vim) that automatically gets the XML from a cluster content from the cluster element labels. If this is it, I wouldn't bother though.

It seems you are getting multiple nodes by a query, and than process them in order. Is there a benefit in doing this? I'd keep it simple: get each child node by it's name and parse the result. But this might just be extra work that doesn't pay off in any way. The result will be simpler though, and easier to understand later on.

Is it faster?