Anders Logg wrote: > Johan and I have set up a benchmark for parallel speedup in > > bench/fem/speedup > > Here are some preliminary results: > > Speedup | Assemble Assemble + solve > -------------------------------------- > 1 | 1 1 > 2 | 1.4351 4.0785 > 4 | 2.3763 6.9076 > 8 | 3.7458 9.4648 > 16 | 6.3143 19.369 > 32 | 7.6207 33.699 > > These numbers look a bit strange, especially the superlinear speedup > for assemble + solve. There might be a bug somewhere in the benchmark > code. > > Anyway, we have some preliminary results that at least show some kind > of speedup. > > It would be interesting to hear some comments on what kind of numbers > we should expect to get from Matt and others. > > The benchmark is for assembling and solving Poisson on a 64 x 64 x 64 > mesh using PETSc/MUMPS. Partitioning time is not included in the > numbers.
Something else - does the assembly timing include computation of the DofMap? Garth > > -- > Anders > > > ------------------------------------------------------------------------ > > _______________________________________________ > DOLFIN-dev mailing list > [email protected] > http://www.fenics.org/mailman/listinfo/dolfin-dev _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
