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WarpX is an advanced Particle-In-Cell code.

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This is in support of allowing charge density output for non-interacting (e.g. tracer) particles Replaces #3119.

component: electrostatic
component: Python

This is to sketch out my plan to add user-defined particle attributes to some diagnostics parsers (c.f. #3051). Any feedback on the interface or implementation details would be welcome. An...

component: diagnostics

There are situations where it is necessary to fill the guard cells when inverse FFTs of fields and/or currents are computed. For example, we want to fill the guard cells...

component: spectral
component: parallelization

Athough we still need to work on the RZ BTD for the **fields**, the code for the **particles** is essentially working. This PR enables this functionality, in particular by enabling...

enhancement
component: openPMD
component: diagnostics
component: RZ

This PR is in response to @ax3l's request for increased Python docs.

component: documentation

To-do: - [x] Improve post-processing analysis - [x] Test and improve based on feedback (Cc @oshapoval) To be decided whether a Python script or a Jupyter notebook is preferred. This...

component: post-processing

Fix #3232. Filtering will also need to be moved to the right locations, though (depends on another open PR). To-do: merge #3302 first and rebase afterwards. Currently not supporting (to...

bug
component: spectral
bug: affects latest release

To-do: - [ ] Update documentation - [ ] Add CI tests (Langmuir, consistency checks) - [ ] Add rho quadratic case?

enhancement
component: spectral

Saw lockfiles being present while parallel HDF5 writes are active. Will now workaround a OpenMPI bug that uses file locking on Lassen (OLCF). https://github.com/open-mpi/ompi/issues/10053 Parallel HDF5 performance is still not...

component: documentation
component: openPMD
component: third party
machine / system

Handle the corner-case that we finalize a labframe simulation without having particles in that last dump. Otherwise `SetConstParticleRecordsEDPIC` will cause a ``` A Record can not be written without any...

bug
component: openPMD
bug: affects latest release
workaround