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I can build and run examples/petsc/ex3p with both sample run options:
```
// mpirun -np 4 ex3p -m ../../data/klein-bottle.mesh -o 2 -f 0.1 --petscopts rc_ex3p
// mpirun -np 4 ex3p -m ../../…
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### Use Case
There are several hundred svSolver jobs in the [Vascular Model Repository](https://www.vascularmodel.com/). It would be useful to have a Python script that could convert an svSolver `.sj…
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The "default" Hermes-3 compilation procedure loads BOUT++ as an external module, but it does not download and compile PETSc, and no guidance on this is provided in the documentation.
I think we need …
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Hi
I am trying to install emopt. While running the install.py file, I got the following error:
```
Cloning into 'petsc'...
remote: Repository petsc/petsc not found
fatal: repository 'https://b…
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I am using a sparse direct solver for the acoustic flow solver. Locally I have built PETSc with MUMPS and I can run stuff in parallel. I'm not sure if PETSc on the CI is built with that option. Curren…
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As [CUDA 12.5 recently came out]( https://docs.nvidia.com/cuda/cuda-toolkit-release-notes/index.html ) and is being published to conda-forge ( https://github.com/conda-forge/cuda-feedstock/issues/29 )…
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The Makefile doesn't automatically pick up the required PETSc flags.
Looking at the Makefile I'm assuming variables such as `PETSC_DIR` should be set.
The use of pkg-config removes the requireme…
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Currently the `dolfinx` system does not pass a build with full installation based on the debian packages.
`Dockerfile` to reproduce the behavior:
```dockerfile
FROM ubuntu:24.04
RUN apt-get update
…
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```
Lisandro Dalcin has sent us a nice example of solving a sparse system with
a scipy.sparse matrix by petsc4py - let's interface petsc solvers.
```
Original issue reported on code.google.com by `r…
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The present use of `MatGetSubMatrix` looks awkward and like it wastes significant memory, particularly when there are several MPI processes per device. `MatGetSubMatrices` does more precisely what you…