Re: [ROOT] Performance

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Jul 18 2001 - 10:20:11 MEST


Hi Markus,

Are you talking about interpreted code or compiled code?
Are you running exactly the same code?
Could you send your script/class?
Are you using the same compiler? on which machine?

Rene Brun

Markus Huening wrote:
> 
> Hi Rooters,
> 
> I wrote a class that derives from TObject. This class contains a method
> (private) which rekursively calls itself to perform a integration across a
> two dimensional space.
> Up to now I used this class with version 3.00.01. Yesterday I upgraded to
> version 3.01.06 and found out that this integration needed 40% more time.
> What may be the reason for that and - most important - how can I speed up
> things again?
> The method in question doesn't call (at least not explicidly) any root
> function. I checked again and all the compilation as well of the root
> system as of my own class I did exactly the same.
> 
> Greetings
> 
> Markus Huening
> 
> ======================================================
> Markus Huening
> Desy/FDET
> Notkestrasse 85
> D-22607 Hamburg
> Germany
> 
> Tel:    ++49 (040)8998-3030
> Fax:    ++49 (040)8998-3094
> e-mail: markus.huening@desy.de



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