[Dune] accessing the subIndex on 3D elements using ALUGRID

[Dedner, Andreas]

Hi.
How can not think of any obvious reason for this. 
How did you measure that - especially comparing the performance
of that one method between different grids? What did your test code look like
and which codimension did you test?

Best
Andreas

-----Original Message-----
From: dune-bounces+a.s.dedner=warwick.ac.uk at dune-project.org on behalf of Nagaiah Chamakuri
Sent: Fri 12/23/2011 1:29 PM
To: dune at dune-project.org
Subject: [Dune] accessing the subIndex on 3D elements using ALUGRID
 
Dear Dune,

I would like to ask one question about accessing the subIndex routine in
ALUGRID:
Observed that accessing the subIndex routine is slower(at least 40%) in ALU
comparing with UG or YASP.
This is only in 3D and it is fine again in 2D. Accessing the function looks
as follows:
indexset.subIndex(*it,i,dim);
Is it a open issue in ALU grid (only for 3D elements) implementation or I
made a mistake while ALU grid installation?
I am using the latest svn version of DUNE and ALU-1.50.

I wish you a merry Christmas and happy new year.

Best Regards
Nagaiah

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