petsc-3.9.4 2018-09-11
Documentation: Changes: 2.1.2
General:
- Win32fe now takes --nt4 option for compatibility on NT4
- Supports cygwinpaths in win32fe
- Better support for borland tools
- Added PetscOptionsInsertString()
- Allow full path of debugger to be specified using -start_in_debugger option
- Better hyperlinks across documentation (including users manual)
ADIC:
- Support for global reductions on local functions
- Allow coloring of periodic grids
AO (Application Orderings):
TS (Timestepping Solvers):
DMMG:
SNES (Nonlinear Solvers):
- Removed all minimization support in PETSc. TAO package should be used for this functionality.
SLES (Linear Solvers):
KSP (Krylov Subspace Methods):
- Support -ksp_unpreconditioned_norm in -ksp_type cr
PC (Preconditioners):
- Added support for PCType PCMAT (PC based on a matvec)
- Added support for PCType PCHYPRE (includes PILUT, EUCLID, and BoomerAMG)
- Cholesky - additional info from factorization
MAT (Matrices):
- SBAIJ matmult - improve performance by optimizing communication.
- markdiagonal - performance optimization.
- SuperLU interface improved (check page 75 in the user's manual)
- DSCPACK interface inproved
- Spooles interface added
DA (Distributed Arrays):
VEC (Vectors):
IS (Index Sets):
Draw (Graphics):
- Added flag to support turning off axis resizing
Viewers:
- Allow drawing rectangles in postscript
System:
Error Handling:
Event Logging:
Fortran Interface: