CHANGES in PETSc 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: