If you are referring to https://bitbucket.org/petsc/petsc-dev please ignore it; that it is an outdated item that should have been removed a long time ago. Sorry for the confusion.
You should start with the git repository https://bitbucket.org/petsc/petsc that should have all the branches you need. Barry On Sep 4, 2014, at 6:42 AM, Alp Kalpalp <[email protected]> wrote: > Hi, > > Although I am experienced on C++ development on windows by using SVN, I need > to learn too much things to use this algorithm I think.(petsc, debugging in > linux, git, hg etc.) > So, sorry for the rookie questions in advance. > > You suggested me to use development version ----> petsc-dev (I believe I will > compile and use it similar to petsc version of it), however it seems it has > no branch named as "master", "next" or "stefano_zampini/pcbddc-primalfixes" > > These branches exist in "petsc" repo. Is it possible to merge petsc-dev and > "stefano_zampini/pcbddc-primalfixes" > petsc-dev is hg, petsc is git ! > > or am I get it totaly wrong! I am confused. > > Could someone explain me the development hierarchy in petsc? what is > petsc-dev and why it has no branches? > > > On Wed, Sep 3, 2014 at 6:18 PM, Stefano Zampini <[email protected]> > wrote: > FETIDP is in PETSc as a byproduct of the BDDC preconditioner (one is the dual > of the other) and it does not have its own classes so far. > > That said, you can experiment with FETI-DP only after having setup a BDDC > preconditioner with the options and customization you prefer. > Use http://www.mcs.anl.gov/petsc/petsc-dev/docs/manualpages/KSP/index.html > for manual pages. > > For an 'how to' with FETIDP, please see > src/ksp/ksp/examples/tutorials/ex.59.c as Jed told you, specifically look at > ComputeKSPFETIDP for obtaining the FETIDP matrix F (implemented Matrix-free) > and the optimal FETIDP dirichlet preconditioner. Once you have F, you can use > PCBDDCMatFETIDPGetRHS and PCBDDCMatFetiDPGetSolution to obtain a right-hand > side for the FETIDP system and a physical solution from the solution of the > FETIDP system. > > I would recommend you to use the development version of the library and > either use the ‘next’ branch or the ‘master' branch after having merged in > the branch stefano_zampini/pcbddc-primalfixes. Note that ‘next’ also contains > the new deluxe scaling operator for BDDC which is not available to use with > FETI-DP. > > If you have any other questions which can be useful for other PETSc users, > please use the mailing list; otherwise you can contact me personally. > > Stefano > > > On Sep 3, 2014, at 5:19 PM, Jed Brown <[email protected]> wrote: > >> Matthew Knepley <[email protected]> writes: >>>> 1- Is it possible to complete a FETI-DP solution with the provided >>>> functions in current PetSc release? >>>> >>> >>> There is no FETI-DP in PETSc. >> >> Wrong. There is PCBDDC, which has the same eigenvalues as FETI-DP. You >> can enable it by configuring --with-pcbddc. This will be turned on by >> default soon. It is fairly new, so you should use the branch 'master' >> instead of the release. It has an option to do FETI-DP instead of BDDC. >> See src/ksp/ksp/examples/tutorials/ex59.c. >> >> For either of these methods, you have to assemble a MATIS. If you use >> MatSetValuesLocal, most of your assembly code can stay the same. >> >> Hopefully we can get better examples before the next release. Stefano >> (the author of PCBDDC, Cc'd) tests mostly with external packages, but we >> really need more complete tests within PETSc. > >
