PETSc System routines

PETSc provides a variety of "system" level routines, including parallel file access, synchronized printing to screen.

PetscTime.c:
PetscGetTime.c:
MPI_Wtime.c:
PLogEvent.c:
PetscMalloc.c:
PetscMemcpy.c:
PetscMemzero.c:
PetscMemcmp.c:
Index.c:
PetscVecNorm.c:
PetscGetCPUTime.c:
makefile