On Fri, 29 Jun 2018 at 17:20, Boyce Griffith <griff...@cims.nyu.edu> wrote: > > > FWIW, we implemented some Vanka-type multigrid smoothers for the > incompressible Stokes equations, and we found that ~15% of total runtime was > spent dealing with options on real (or at least real-ish) test problems. The > configure-time flag turning off the viewers dropped that down to ~1%. I don't > know what PCPATCH is, but it sounds like it may be doing something similar. >
That sounds like a more realistic number. -- Lisandro Dalcin ============ Research Scientist Computer, Electrical and Mathematical Sciences & Engineering (CEMSE) Extreme Computing Research Center (ECRC) King Abdullah University of Science and Technology (KAUST) http://ecrc.kaust.edu.sa/ 4700 King Abdullah University of Science and Technology al-Khawarizmi Bldg (Bldg 1), Office # 0109 Thuwal 23955-6900, Kingdom of Saudi Arabia http://www.kaust.edu.sa Office Phone: +966 12 808-0459