Hi Hong, Thanks for your kind email. I write another email to make sure I understand it correctly. Does the zipped file from https://www.mcs.anl.gov/petsc/developers/index.html#browsing have the updated feature?
Best, Evan - https://bitbucket.org/petsc/petsc/get/master.tar.gz On Wed, Oct 11, 2017 at 7:56 AM, Hong <[email protected]> wrote: > Evan: > The branch is already merged to master. Just use petsc master branch. > Hong > > Hi Matt, >> >> Still unclear to me. I go to https://bitbucket.org/petsc >> /petsc/addon/pipelines/home#!/ and then https://bitbucket.org/pet >> sc/petsc/branches/. I don't see any tarred file or directory named >> "update-mumps-5.1.1-cntl". >> Could you explain how to download the modified version from the site a >> little bit in detail? Thank you very much for your help. >> >> Evan >> >> >> >> >> On Wed, Oct 11, 2017 at 1:54 AM, Matthew Knepley <[email protected]> >> wrote: >> >>> On Tue, Oct 10, 2017 at 10:30 PM, Evan Um <[email protected]> wrote: >>> >>>> Dear Hong, >>>> >>>> I just tried to check PETSC develeoper website but couldn't find the >>>> updated dev version with name of hzang/update-mumps-5.1.1-cntl. >>>> >>> >>> Hong means a branch. You get the dev repository and checkout that branch >>> >>> git checkout hzang/update-mumps-5.1.1-cntl >>> >>> Thanks, >>> >>> Matt >>> >>> >>>> . Could you please let me know the location of the updated dev version? >>>> Where do I need to visit to check out the dev version with the new control >>>> switches? Thank you very much for your help. >>>> >>>> Best, >>>> Evan >>>> >>>> >>>> >>>> >>>> >>>> >>>> On Tue, Oct 3, 2017 at 8:34 AM, Hong <[email protected]> wrote: >>>> >>>>> Evan, >>>>> ICNTL(35) and CNTL(7) are added to petsc-mumps interface in branch >>>>> hzhang/update-mumps-5.1.1-cntl >>>>> >>>>> You may give it a try. Once it passes our regression tests, I'll merge >>>>> it to petsc master branch. >>>>> >>>>> Hong >>>>> >>>>> >>>>> On Sun, Sep 24, 2017 at 8:08 PM, Hong <[email protected]> wrote: >>>>> >>>>>> I'll check it. >>>>>> Hong >>>>>> >>>>>> On Sun, Sep 24, 2017 at 3:42 PM, Evan Um <[email protected]> wrote: >>>>>> >>>>>>> Hi Barry, >>>>>>> >>>>>>> Thanks for your comments. To activate block low rank (BLR) >>>>>>> approximation in MUMPS version 5.1.1, a user needs to turn on the >>>>>>> functionality (i.e. ICNTL(35)=1) and specify the tolerance value (e.g. >>>>>>> CNTL(7)=1e-4). In PETSC, I think that we can set up ICNTL and CNTL >>>>>>> parameters for MUMPS. I was wondering if we can still use BLR >>>>>>> approximation >>>>>>> for a preconditioner for Krylov solvers. >>>>>>> >>>>>>> Best, >>>>>>> Evan >>>>>>> >>>>>>> >>>>>>> On Sat, Sep 23, 2017 at 6:45 PM, Barry Smith <[email protected]> >>>>>>> wrote: >>>>>>> >>>>>>>> >>>>>>>> > On Sep 23, 2017, at 8:38 PM, Evan Um <[email protected]> wrote: >>>>>>>> > >>>>>>>> > Dear PETSC Users, >>>>>>>> > >>>>>>>> > My system matrix comes from finite element modeling and is >>>>>>>> complex and unstructured. Its typical size is a few millions-by a few >>>>>>>> millions. I wondering if I can use MUMPS parallel direct solver as a >>>>>>>> preconditioner in PETSC. For example, I want to pass factored matrices >>>>>>>> to >>>>>>>> Krylov iterative solvers such as QMR. Is there any PETSC+MUMPS example >>>>>>>> code >>>>>>>> for the purpose? >>>>>>>> >>>>>>>> You don't pass factored matrices you just pass the original >>>>>>>> matrix and use -pc_type lu -pc_factor_mat_solver_package mumps >>>>>>>> >>>>>>>> > Can PETSC call the latest MUMPS that supports block low rank >>>>>>>> approximation? >>>>>>>> >>>>>>>> No, send us info on it and we'll see if we can add an interface >>>>>>>> >>>>>>>> >>>>>>>> > >>>>>>>> > In advance, thank you very much for your comments. >>>>>>>> > >>>>>>>> > Best, >>>>>>>> > Evan >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >>> >>> -- >>> What most experimenters take for granted before they begin their >>> experiments is infinitely more interesting than any results to which their >>> experiments lead. >>> -- Norbert Wiener >>> >>> https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/> >>> >> >> >
