The CEA guys folks developed this version so they'd know best but a quick look at the source code tells me that each rank reads a portion of the file. There seems to be logic to figure out offsets for each rank such that they can start reading from there.
-berk On Wed, Aug 11, 2010 at 6:59 AM, Ricardo Reis <[email protected]> wrote: > On Tue, 10 Aug 2010, Robert Maynard wrote: > >> Neither, the reader presumes that each node has access to every file. > > ok... but do they need to read the full file? I mean, if I have a 3D vector > field, each component is a 5 Gb file. I'm opening this in a cluster, all > nodes see the files. Does each node load the 3 files entirely and then > distribute among themselves or it just looks for its part of the file? > > Sorry if the question is dumb... but is the workflow something like: > > - read geometry > - partition/distribute geometry/mesh > - only read relevant data to each node from files > > ? > > best regards, > > Ricardo Reis > > 'Non Serviam' > > PhD candidate @ Lasef > Computational Fluid Dynamics, High Performance Computing, Turbulence > http://www.lasef.ist.utl.pt > > Cultural Instigator @ Rádio Zero > http://www.radiozero.pt > > Keep them Flying! Ajude a/help Aero Fénix! > > http://www.aeronauta.com/aero.fenix > > http://www.flickr.com/photos/rreis/ > > < sent with alpine 2.00 > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
