Re: slow performance QLXL

Posted by gj!!! on
URL: http://quantlib.414.s1.nabble.com/slow-performance-QLXL-tp7584p7586.html

hi eric,

thanks for your suggestion.

however i am not that familiar with memory profilers...can you give me a pointer how to apply this specific for checking xlls?

further: might using the flags overwrite and/or permanent help???

help very appreciated.

brgds GJ

Eric Ehlers-2 wrote

Hi GJ,

Quoting gj!!! <[e-mail]>:

> hi all,
>
> i have built a spreadsheet which uses the quantlibXL addin
>
> it makes use of approx 350 objects. most of them are quote and ratehelper
> objects. further i have some bond and swap objects.
>
> i have a market data feed which updates each 2 minutes. this triggers 3
> bootstrapping routines and based on these new curves two small portfolios
> are recalculated. when i start the feed all goes fine and everything goes
> relatively fast.
>
> however somehow over time the performance and the excelapp stalls. i tried
> using the CollectGarbageRoutine to try speeding it up but unfortunately to
> no avail
>
> any clues/ideas from the forum-members here?

The best I can suggest is to attach a memory profiler to the process  
and see if that sheds some light on the problem.

Regards,
Eric


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