clawpack/pyclaw — Issue #79: Generate faster WENO kernels
Author: ketch
Created: 2011-10-19 05:59:48+00:00
State: open
Labels: performance

In a test using the shock-bubble problem with a 160x40 grid, the old WENO5 took 92 s, while the new (PyWENO-generated) WENO5 took 192 s. PyWENO's kernels are currently written for flexibility and clarity. We should extend PyWENO to optionally generate fast kernels, and use those in PyClaw.