Subject: [Fenics] Challenge: fast Poisson solver

From: Anders Logg <[email-masked]>
Date: Sat, 13 Oct 2012 19:54:13 -0500

Here's an interesting challenge that evolved from a not so well
thought out test problem into a quite interesting lesson in the
convergence of Krylov methods, tensor product methods, timings,
startup costs etc:

https://plus.google.com/u/0/116518787475147930287/posts/jiULACjiGnW

The challenge is still open and will close Monday at noon Chicago
time. The winner will get a copy of the FEniCS book.

Here's the current leaderboard (faster is better):

Jed Brown        0.000567 s
Ondřej Čertík    0.003    s
Lisandro Dalcin  0.007168 s
Nathan Collier   0.047    s
Peter Brune      0.77     s
Anders Logg      0.9      s (down to 0.05 s now)

--
Anders