[Carpet] Carpet Status Report (2006-07-13)

[Erik Schnetter]

Carpet Status Report

Carpet's schedule group "PreRegrid" is now an official Cactus  
scheduling bin.  This bin is meant for routines who want to determine  
or influence the refined regions prior to regridding.  Instead of  
scheduling "IN PreRegrid", the syntax is now "AT preregrid".  This  
bin is executed at the very beginning of a time step before  
regridding, which happens before the "prestep" bin.

Thomas Radke updated the API that the flesh uses to tell the driver  
which grid functions to synchronise.  The routine CCTK_SyncGroupsI is  
now handled more efficiently when several groups should be  
synchronised.  Instead of synchronising the groups sequentially, they  
are now synchronised at the same time.

Carpet now calculates timing statistics.  It outputs both statistics  
for "grid points per second", which measures single-processor number  
crunching ability, and "physical time per hour", which measures  
physics progress.  These numbers can be used to compare the speed of  
simulations on different machines.  The speed of a simulation depends  
crucially on some user parameters, such as which analysis methods or  
how many processors are used, and this timing information allows (and  
prompts) users to optimise their jobs.

The patchset-to-email gateway for Carpet darcs patches works again.

The grid structure that is printed to stdout when Carpet::verbose is  
set is now more detailed.  It includes information about the ghost  
zones and about which boundaries are considered outer boundaries.

-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>

My email is as private as my paper mail.  I therefore support encrypting
and signing email messages.  Get my PGP key from www.keyserver.net.



-------------- next part --------------
A non-text attachment was scrubbed...
Name: PGP.sig
Type: application/pgp-signature
Size: 186 bytes
Desc: This is a digitally signed message part
Url : /archives/developers/attachments/20060713/d753c3d0/attachment.pgp