Overview
PETSc, pronounced PET-see (the S is silent), is a suite of data structures and routines for the scalable (parallel) solution of scientific applications modeled by partial differential equations.
Using
Use the module name petsc to discover versions available and to load the application.
Teton
On Teton we have petsc/3.11.4 (built using gcc/7.3.0 and openmpi/3.0.1) as the highest version installed as this was an explicit version required by MOOSE.