Hi Torben, I'm afraid at present there is no way to alter the order that vpbmaster dispatches the tasks. I doubt a random ordering will help, but have a scheme were cache coherency and data locality would be an interest advance. Such a scheme is a non trivial enhancement though.
Robert. On Thu, Nov 26, 2009 at 7:11 PM, Torben Dannhauer <[email protected]> wrote: > Hi, > > I compile a large Database (800GB terraindata) to a single database. > > so far it is compiling, but besides 2 processes, all other osgdem instances > are more or less at idle, waiting for disk. > > My source data is spreaded above 4 Disks to lower the disk load an consist of > the following directories with their content files: > -North > -South > -East > -West > -HiRes-Inlay > -DEM > > unfortunately VPB starts to render in the "south" section and assign > worktasks from south to all cores - therefore my disk containtin "south" is > under heavy load, and all other disks are at idle. > > Is it possible to configure VPB to start at random tiles, so some tasks are > working on "north" data, some other at "HiRes" and so on? > This way ALL disks would be under load and no osgdem instance would have to > idle :) > > Thank you for your help. > > Torben > > > > Thank you! > > Cheers, > Torben > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=20456#20456 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
