On 30 May 2013 18:23, Anders Logg <[email protected]> wrote: > On Thu, May 30, 2013 at 07:17:06PM +0200, Johan Hake wrote: >> On 05/30/2013 05:40 PM, Garth N. Wells wrote: >> > On 30 May 2013 16:34, Jed Brown <[email protected]> wrote: >> >> Johan Hake <[email protected]> writes: >> >> >> >>>> What scale is "pretty time consuming"? My laptop takes 6 seconds to >> >>>> recompile PETSc with ccache after switching between disparate branches. >> >>>> This hasn't been slow enough to motivate me to find an alternative. >> >>> >> >>> 6 second would be very nice. It takes over 1 minute on my laptop, which >> >>> is a pretty new i7 with 4 cores. >> >> >> >> Mine is an i7 with two cores, so it's not the hardware. >> >> >> >>> Then it seems I have problem with: >> >>> >> >>> dolfin/generation/PolyhedralMeshGenerator.cpp >> >> >> >> Oh, I see the problem. Rename the file to PolyhedralMeshGenerator.c and >> >> fix the compilation errors. ;-) >> > >> > I'm surprised it took so long for "name it .c" to come up. ;-) >> >> :) >> >> > I'd settle for being able to get rid of the CGAL template hell that is >> > included in PolyhedralMeshGenerator, and which requires GBs of memory >> > to build a 350 line file. >> >> With Anders geometry fix in master I guess one can just un-install CGAL >> and the generation module will not be compiled. > > It remains to make the Function class use the new search tree instead > of CGAL. When that is done, we can cut away most of the CGAL stuff. > Perhaps we can also find a clever way to encapsulate the parts of CGAL > used for mesh generation. >
It is very handy to have the mesh generation inside DOLFIN for some things, e.g, teaching. If the new geometry code is used for the search inside Function, we could turn CGAL off by default. Garth > -- > Anders _______________________________________________ fenics mailing list [email protected] http://fenicsproject.org/mailman/listinfo/fenics
