Robert C. Kirby and Lawrence Mitchell. "Solver composition across the PDE/linear algebra barrier".
To run the experiments, you will need a version of Firedrake. The paper referenced above contains documentation of the versions used to generate the results in the repository.
There are three python scripts that run the code and collect data:
- poisson-weak-scale.py
- rb-weak-scale.py
- profile-matvec.py
The usage as required to generate the data in the paper is in the matching PBS job submission scripts.
The results directory contains data for the results in the paper.
The python scripts in that directory can be used to recreate the
plots, and the tables from the paper. The file rb-solution.tgz
contains VTU files and a Paraview state file that can be used to
recreate the picture of the solution presented in the paper.
In addition to the processed data, this directory also contains the output and log files (from PETSc's -log_view) for each of the runs. Note that the FLOP-counting routine used in PyOP2 for some of the values was buggy (overcounting by a factor of 3, and therefore some FLOP rates in the log files are bogus). This is corrected in the profile-matvec.py script when logging the data used to generate roofline plots.