- petsc-announce - mailman3.cels.anl.gov

PETSc user meeting 2018, June 4-6, London
by Lawrence Mitchell 12 Oct '17

12 Oct '17

Dear PETSc-ites, we would like to invite you to join us at the 2018 PETSc user meeting, to be held at Imperial College London on June 4-6 2018. The meeting webpage: https://www.mcs.anl.gov/petsc/meetings/2018/ The first day consists of tutorials on various aspects and features of PETSc. The second and third days will be devoted to exchange, discussions, and a refinement of strategies for the future with our users. We encourage you to present work illustrating your own use of PETSc, for example in applications or in libraries built on top of PETSc. Details on registration, travel grants, and abstract submission will follow in early 2018. We look forward to seeing you in London's famous London. Please contact petsc2018(a)mcs.anl.gov if you have any questions, suggestions, or comments. Lawrence Mitchell (for the organising committee)

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Re: [petsc-announce] PETSc User Meeting 2017, June 14-16 in Boulder, Colorado
by Jed Brown 31 May '17

31 May '17

Correction: it is still possible to book lodging today (closes at midnight Mountain Time). See you in two short weeks. Thanks! Jed Brown <jed(a)jedbrown.org> writes: > The program is up on the website: > > https://www.mcs.anl.gov/petsc/meetings/2017/ > > If you haven't registered yet, we can still accommodate you, but please > register soon. If you haven't booked lodging, please do that soon -- > the on-campus lodging option will close on *Tuesday, May 30*. > > https://confreg.colorado.edu/CSM2017 > > We are looking forward to seeing you in Boulder! > > Jed Brown <jed(a)jedbrown.org> writes: > >> We'd like to invite you to join us at the 2017 PETSc User Meeting held >> at the University of Colorado Boulder on June 14-16, 2017. >> >> http://www.mcs.anl.gov/petsc/meetings/2017/ >> >> The first day consists of tutorials on various aspects and features of >> PETSc. The second and third days will be devoted to exchange, >> discussions, and a refinement of strategies for the future with our >> users. We encourage you to present work illustrating your own use of >> PETSc, for example in applications or in libraries built on top of >> PETSc. >> >> Registration for the PETSc User Meeting 2017 is free for students and >> $75 for non-students. We can host a maximum of 150 participants, so >> register soon (and by May 15). >> >> http://www.eventzilla.net/web/e/petsc-user-meeting-2017-2138890185 >> >> We are also offering low-cost lodging on campus. A lodging registration >> site will be available soon and announced here and on the website. >> >> Thanks to the generosity of Intel, we will be able to offer a limited >> number of student travel grants. We are also soliciting additional >> sponsors -- please contact us if you are interested. >> >> >> We are looking forward to seeing you in Boulder! >> >> Please contact us at petsc2017(a)mcs.anl.gov if you have any questions or >> comments.

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Re: [petsc-announce] PETSc User Meeting 2017, June 14-16 in Boulder, Colorado
by Jed Brown 25 May '17

25 May '17

The program is up on the website: https://www.mcs.anl.gov/petsc/meetings/2017/ If you haven't registered yet, we can still accommodate you, but please register soon. If you haven't booked lodging, please do that soon -- the on-campus lodging option will close on *Tuesday, May 30*. https://confreg.colorado.edu/CSM2017 We are looking forward to seeing you in Boulder! Jed Brown <jed(a)jedbrown.org> writes: > We'd like to invite you to join us at the 2017 PETSc User Meeting held > at the University of Colorado Boulder on June 14-16, 2017. > > http://www.mcs.anl.gov/petsc/meetings/2017/ > > The first day consists of tutorials on various aspects and features of > PETSc. The second and third days will be devoted to exchange, > discussions, and a refinement of strategies for the future with our > users. We encourage you to present work illustrating your own use of > PETSc, for example in applications or in libraries built on top of > PETSc. > > Registration for the PETSc User Meeting 2017 is free for students and > $75 for non-students. We can host a maximum of 150 participants, so > register soon (and by May 15). > > http://www.eventzilla.net/web/e/petsc-user-meeting-2017-2138890185 > > We are also offering low-cost lodging on campus. A lodging registration > site will be available soon and announced here and on the website. > > Thanks to the generosity of Intel, we will be able to offer a limited > number of student travel grants. We are also soliciting additional > sponsors -- please contact us if you are interested. > > > We are looking forward to seeing you in Boulder! > > Please contact us at petsc2017(a)mcs.anl.gov if you have any questions or > comments.

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petsc-3.7.6.tar.gz now available
by Satish Balay 24 Apr '17

24 Apr '17

Dear PETSc users, The patch release petsc-3.7.6 is now available for download. http://www.mcs.anl.gov/petsc/download/index.html * configure: fix failure with Xcode 8.3 on OSX. * fortran: add TaoType and TaoLineSearchType definitions. * sys: PetscError() did not properly copy over the specific error message when error type was PETSC_ERROR_INITIAL * YAML: produce error when YAML calls fail. * pkg-config: improve support - exclude rpath flags from PETSc.pc, remove separate specification of blaslapacklibs, add variable cflags_dep, write more complete flags, fix Libs field for single-library=0. * metis: use update that supports MATH_LIB option - this way -lm doesn't get linked in automatically [when built with intel compilers] * mkl: do not explicitly use '-lm' - and prefer self.libraries.math - as this would presumably prefer -limf over -lm [via compiler default libraries] * Update petsc_conf.py so it works with Python3 * fortran: enable interface to MatCompositeMerge() * DMDA: fix bounds checking for indices j and k in DMDAGetCellPoint() * PetscLog: PetscStageLogGetStage() returned wrong id, not -1, if requested item was not found * MATIS: fix a couple of bugs * TS: If user provides TSSetIFunction() the TSSolve() should error out if explicit method is used * Mat: bugfix for '-mat_view' when matvalue array = null * Sys: Options file processing: don't allow directories to be passed * fieldsplit: Extract the submatrices from the preconditioning matrix instead of the Jacobian matrix * TS: setup SNES matrices only if needed * MatAIJ: perform missing diagonal check only in debug mode. * Mat: increase table input size to (A->cmap->n + a->B->cmap->N) for MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ() * Mat: fix nonscalable input using ctable for matrix products * ctable: support tablesize up to 26843545600l for 64-bit-indices * MatNestFindSubMat: Workaround for single block-column Satish

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PETSc User Meeting 2017, June 14-16 in Boulder, Colorado
by Jed Brown 11 Mar '17

11 Mar '17

We'd like to invite you to join us at the 2017 PETSc User Meeting held at the University of Colorado Boulder on June 14-16, 2017. http://www.mcs.anl.gov/petsc/meetings/2017/ The first day consists of tutorials on various aspects and features of PETSc. The second and third days will be devoted to exchange, discussions, and a refinement of strategies for the future with our users. We encourage you to present work illustrating your own use of PETSc, for example in applications or in libraries built on top of PETSc. Registration for the PETSc User Meeting 2017 is free for students and $75 for non-students. We can host a maximum of 150 participants, so register soon (and by May 15). http://www.eventzilla.net/web/e/petsc-user-meeting-2017-2138890185 We are also offering low-cost lodging on campus. A lodging registration site will be available soon and announced here and on the website. Thanks to the generosity of Intel, we will be able to offer a limited number of student travel grants. We are also soliciting additional sponsors -- please contact us if you are interested. We are looking forward to seeing you in Boulder! Please contact us at petsc2017(a)mcs.anl.gov if you have any questions or comments.

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petsc-3.7.5.tar.gz now available
by Satish Balay 01 Jan '17

01 Jan '17

Dear PETSc users, The patch release petsc-3.7.5 is now available for download. http://www.mcs.anl.gov/petsc/download/index.html Some of the changes include: * SuperLU_DIST: update to verison 5.1.3 for bug fixes. * configure: improve MKL detection on OSX * MUMPS: update to version 5.0.2-p2 for bug fixes. * ctable: update to use double hashing - to fix performance issues * configure: allow using both release tarballs and git tarballs for petsc4py, superlu, superlu_dist etc. * SuperLU_DIST: set FactPattern = SamePattern_SameRowPerm as default when reuse matrix factor * SuperLU_DIST: Bugfix for repeated call of MatLUFactorNumeric_SuperLU_DIST() * TSRK: fix memory corruption * TS: allow unassembled mats in compute IJacobian. * MATMPIBAIJ: Bug fixes for MAT_USE_HASH_TABLE * DMLocalizeCoordinates: Use PETSC_COMM_SELF for local coordinate vector * pastix: update to version 5.2.3 - for some build fixes * PCSetUp_SVD():fix issue with using incorrect matrix for matrix size in parallel * PetscOptions: Make PetscOptionsSetValue/ClearValue symmetric with mixed-case * MatMUMPS: fix conversion from SeqAIJ to mumps upper triangular format in case of missing diagonal * MatSeqAIJ: fix improper use of diagonal wrt MatZeroRows_SeqAIJ() and MatZeroRowsColumns_SeqAIJ() Satish

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Argonne Applied Math & Numerical Software is hiring at all levels!
by Barry Smith 27 Nov '16

27 Nov '16

The Mathematics and Computer Science Division at Argonne National Laboratory has multiple new openings for researchers at all career levels (from postdoctoral associates to senior staff researchers and software developers). The openings span innovative areas of computer science and applied mathematics, including novel algorithms, analysis techniques embodied in open-source software, data-intensive science, and emerging hardware architectures. The following applied mathematics areas are of special interest: • Nonlinear optimization, including mixed-integer, multiobjective, stochastic/robust, PDE-constrained, simulation-based, dynamics, derivative-free, and parallel/concurrent optimization • Data assimilation and inverse problems • High-order methods for PDEs/CFD, including spectral element methods • Numerical linear algebra focusing on highly scalable preconditioners, including matrix-free methods • Machine learning, data analysis, and applied statistics • Numerical methods for ordinary and partial differential equations, including error estimators and adjoints • Statistical inference and analysis, sampling, and spectral estimation • Stochastic processes and stochastic differential equations • Automatic/algorithmic differentiation For more information and to apply (level commensurate with experience): * Applied mathematics staff and postdoctoral researchers: http://bit.ly/2eZsoRM <http://bit.ly/2eZsoRM> * Computer science and postdoctoral researchers: http://bit.ly/2g8mOPv <http://bit.ly/2g8mOPv> * Software development specialists: http://bit.ly/2fsPjW5 <http://bit.ly/2fsPjW5> * Additional, specialized postdocs include: http://bit.ly/2f4039u <http://bit.ly/2f4039u> Foundations and Applications of Machine Learning https://goo.gl/f53Sdp <https://goo.gl/f53Sdp> Nonlinear Optimization Algorithms https://goo.gl/n0j8Bo <https://goo.gl/n0j8Bo> Computational Differential Algebraic Equations https://goo.gl/MzO652 <https://goo.gl/MzO652> Automatic Performance Tuning and Modeling Openings are available immediately in all these areas, but there is flexibility in start dates for highly qualified candidates. You can find more information on focus areas at Argonne at http://www.mcs.anl.gov/group/applied-mathematics <http://www.mcs.anl.gov/group/applied-mathematics>, http://www.mcs.anl.gov/group/extreme-computing <http://www.mcs.anl.gov/group/extreme-computing>, http://www.mcs.anl.gov/group/data-intensive-science <http://www.mcs.anl.gov/group/data-intensive-science>. Feel free to contact members of these groups directly by email with specific questions.

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Question regarding updating PETSc Fortran examples to embrace post F77 constructs
by Barry Smith 26 Aug '16

26 Aug '16

PETSc users, We've always been very conservative in PETSc to keep almost all our Fortran examples in a format that works with classic FORTRAN 77 constructs: fixed line format, (72 character limit) and no use of ; to separate operations on the same line, etc. Is it time to forgo these constructs and use more modern Fortran conventions in all our examples? Any feedback is appreciated Barry Note: it would continue to be possible to use PETSc in the FORTRAN 77 style, this is just a question about updating the examples.

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petsc-3.7.3.tar.gz now available
by Satish Balay 24 Jul '16

24 Jul '16

Dear PETSc users, The patch release petsc-3.7.3 is now available for download. http://www.mcs.anl.gov/petsc/download/index.html Some of the changes include: * Vec: enable Fortran interfaces for VecGetLocalVectorRead(), VecRestoreLocalVectorRead() * Vec: enable Fortran interfaces for VecGetLocalVector(), VecRestoreLocalVector() * Mat: fix MatShift() bug when shift operation has not been provided * PCBDDC: fix for getri error -2 with MKL * SNES: Only apply the SNES QN Powell condition after the first full iteration of L-BFGS * Monitor: -xxx_monitor would result in multiple output of the same data if xxxSetFromOptions() was called multiple times * DMP4est: in setup, coordDM needs the pointSF, too. * Fortran: enable stub for MatCreateRedundantMatrix() * Mat: Fix bugs in MatGetRowIJ_SeqBAIJ() and MatGetRowIJ_SeqSBAIJ() * IS: added missing Fortran stubs ISGetTotalIndices(), ISRestoreTotalIndices(), ISGetNonlocalIndices(), ISRestoreNonlocalIndices() * Mat: Added MatFDColoringSetType() * TS: Set default TSAdaptType at creation * Mat: enable fortran stubs for MatCreateComposite(), MatCompositeSetType() * Superlu/Superlu_DIST: update to latest maint snapshot * KSP: fix KSPSetNormType(ksp,KSP_NORM_NONE) * TS: Run forward cost integral after event handling if step not rolled back * Fixed a variety of issues related to iOS builds * ML: update to use a snapshot with a build fix for --with-fc=0 [aka Mac] * HYPRE: update to 2.11.1 release from RC * PetscSF: Recursively unwrap dupped types Satish

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petsc-3.7.2.tar.gz now available
by Satish Balay 05 Jun '16

05 Jun '16

Dear PETSc users, The patch release petsc-3.7.2 is now available for download. http://www.mcs.anl.gov/petsc/download/index.html Some of the changes include: * Hypre: Updated to use latest test release v2.11.0-47-gbba1cfc * XSDK: fix configure when using --download-trilinos-cmake-arguments with --download-xsdk * MPIUNI: Fix error when creating additional MPI communicators * MUMPS: Add support for --download-mumps with --with-mumps-serial and MPIUni * Configure: do not pass visibility flags [via CFLAGS/CXXFLAGS] to externalpackage builds * Mat: fix bug in MatGetFactor() * Mat: fix big in MatGetRowIJ_SeqAIJ_Inode*() * Sys: add in PETSCRANDER48 to finclude * Sys: add missing fortran stub for PetscRandomGetType() * Sys: PetscViewerBinaryRead() only set the count value if MPI IO was used * Chombo: use updated tarball that compiles with gcc-6.1 * DMPlex: Choose default partitioner from [chaco, parmetis, simple] * petsc4py: update to use latest maint/3.7 snapshot * configure: fix slowdown during --download-hdf5 with gcc-5 * Superlu_DIST: disable OpenMP [that can come in future patch fixes..] * XSDK: Explicitly turn off Fortran for Trilinos and xSDKTrilinos when turned off for PETSc * Sys: make sure the MPI_Datatype used corresponds to the PETSc datatype used. [wrt MPI_INT64_T vs MPI_LONG_LONG_INT] * SuperLU_Dist: Specifically turn off Fortran for SuperLU_Dist if PETSc is built without it * TS: Need to declare TSSSPList as PETSC_EXTERN so users can add to the list * DMP4est: fix coarseEdge calculation in transfer_Point * Fortran: add missing PETSC_EXTERN to custom Fortran wrappers * Fortran: fix typo with PETSCVIEWERASCIIPUSHSYNCHRONIZED and PETSCVIEWERASCIIPOPSYNCHRONIZED * PC: Added PCPreSolveChangeRHS() * XSDK: fix mstk shared library build * Vec: disable buggy VecAssemblyBegin/End_MPI_BTS() Satish

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