So the number of nodes or the size of the nodes follows the number of subspaces?
J On 03/08/2013 10:36 AM, Garth N. Wells wrote: > On 8 March 2013 09:27, Johan Hake <hake....@gmail.com> wrote: >> Cool! How are the blocks determined? >> > > These are node blocks (not large equation blocks). > > There is a primitive test in DofMapBuilder based on number of > subspaces and global dimension. The idea is to work with nodes and not > dofs (multiple nodes can live a a dof). This gives a major speed-up in > dof renumbering and makes the solvers run faster. It should also speed > up the sparsity pattern construction and the construction of > distributed dof maps. > > It would be good if UFC would provide some support for nodes. It's > important for performance when multiple dofs live at each node. > > Garth > > > >> Johan >> >> On 03/08/2013 09:39 AM, nore...@launchpad.net wrote: >>> Merge authors: >>> Garth Wells (garth-wells) >>> ------------------------------------------------------------ >>> revno: 7515 [merge] >>> committer: Garth N. Wells <gn...@cam.ac.uk> >>> branch nick: trunk >>> timestamp: Fri 2013-03-08 08:38:47 +0000 >>> message: >>> Merge work on block dofmaps. Works in serial. >>> modified: >>> dolfin/fem/DofMap.cpp >>> dolfin/fem/DofMap.h >>> dolfin/fem/DofMapBuilder.cpp >>> >>> >>> -- >>> lp:dolfin >>> https://code.launchpad.net/~dolfin-core/dolfin/trunk >>> >>> Your team DOLFIN Core Team is subscribed to branch lp:dolfin. >>> To unsubscribe from this branch go to >>> https://code.launchpad.net/~dolfin-core/dolfin/trunk/+edit-subscription >>> >> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~dolfin >> Post to : dolfin@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~dolfin >> More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : dolfin@lists.launchpad.net Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
