David Grote

Writing out this info as attributes in the openPMD data file is probably a better idea, so that it could be accessed in that standard way. This could include all...

Closed. Replaced by PR #5027.

In the case where I was seeing a slow down the lost particle buffer was not being cleared so the number of particles in the buffer continuously increased.

Hi Yin - For you question 1, when you do `phi = fields.PhiFPWrapper(0, True)[...]`, the phi that is returned is a full sized array covering the full domain and is...

@WeiqunZhang `FillBoundary` is already being called with the number of ghost cells specified. This seems to be the same as calling `EnforcePeriodicity` with nghost since both are calling `FBEP_nowait`. One...

Thanks @ax3l . I need to get back to this one and finish it. There are some CI differences that I need to make sure I understand.

Is the `write_fields` option duplicative? There is already the option `fields_to_plot` which can be set to `none` to turn off the writing of the fields. Does BTD use the `fields_to_plot`...

Looks good. Would his affect the runtime, slowing the MPI communication since neighboring boxes will be far away from each other?

Rather than breaking the build interface, could a new flag `WARPX_FFT` be added that turns on the FFT code, and have it turned on when `WARPX_PSATD` is turned on? This...

This is all good. I'm just trying to avoid API breaking changes. Also, note that with my suggestion, this PR would be substantially smaller since none of the hpc scripts,...