Re: [petsc-users] Error when installing PETSc

2023-10-18 Thread Satish Balay via petsc-users
> Working directory: /home/tt/petsc-3.16.0 use latest petsc release - 3.20 > --with-fc=flang I don't think this ever worked. Use --with-fc=gfortran instead /opt/ohpc/pub/spack/opt/spack/linux-centos7-skylake_avx512/gcc-8.3.0/m4-1.4.19-lwqcw3hzoxoia5q6nzolylxaf5zevluk/bin/m4: internal error

Re: [petsc-users] About recent changes in GAMG

2023-10-18 Thread Mark Adams
Hi Jeremy, I hope you don't mind putting this on the list (w/o data), but this is documentation and you are the second user that found regressions. Sorry for the churn. There is a lot here so we can iterate, but here is a pass at your questions. *** Using MIS-2 instead of square graph was

Re: [petsc-users] Error when installing PETSc

2023-10-18 Thread Matthew Knepley
On Wed, Oct 18, 2023 at 6:07 AM Gong Yujie wrote: > Dear PETSc developers, > > I got an error message when installing PETSc with a clang compiler. Could > you please help me find the problem? The configure.log is attached. > Your compiler segfaulted when compiling OpenMPI: Making all in

Re: [petsc-users] Coordinate format internal reordering

2023-10-18 Thread Matthew Knepley
On Wed, Oct 18, 2023 at 5:55 AM Enrico wrote: > Hello, > > I'm trying to use Petsc to solve a linear system in an application. I'm > using the coordinate format to define the matrix and the vector (it > should work better on GPU but at the moment every test is on CPU). After > the call to

[petsc-users] Coordinate format internal reordering

2023-10-18 Thread Enrico
Hello, I'm trying to use Petsc to solve a linear system in an application. I'm using the coordinate format to define the matrix and the vector (it should work better on GPU but at the moment every test is on CPU). After the call to VecSetValuesCOO, I've noticed that the vector is storing the