On Nov 23, 2011, at 16:05, Anders Logg <l...@simula.no> wrote: > On Wed, Nov 23, 2011 at 11:13:52PM +0000, Garth N. Wells wrote: >> It looks like it will be easy to fix the problem that we have with >> vector assignment in parallel. The solution is >> >> 1. Permit assignment via operator= of equal-length vectors only. It >> will just copy values. I've tested this equal-length restriction, and >> it doesn't affect any DOLFIN tests or demos. >> >> 2. If a user attempts to perform assignment of vectors that have >> different lengths, print an error that recommend using the copy >> constructor, e.g. >> >> y = Vector(x) >> >> This change will also improve performance, since at present we always >> destroy and re-create PETSc vectors when assigning, even when the >> lengths are equal. >> >> Any objections to this going into the 1.0 branch? > > Sounds good to me.
++ Johan > -- > Anders > > _______________________________________________ > Mailing list: https://launchpad.net/~dolfin > Post to : dolfin@lists.launchpad.net > Unsubscribe : https://launchpad.net/~dolfin > More help : https://help.launchpad.net/ListHelp
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