It would be straightforward to add an option to -info to output only from a particular MPI_COMM_WORLD global rank.
Maybe an extra :rank at the end of the info options? Open 128k files is nuts. Barry > On Apr 22, 2021, at 11:14 AM, Mark Adams <mfad...@lbl.gov> wrote: > > OK, so -info out.%p would do what I asked. Alas, what I really need it to > reduce the output with 128K processes. > Thanks, > > On Thu, Apr 22, 2021 at 11:54 AM Pierre Jolivet <pie...@joliv.et > <mailto:pie...@joliv.et>> wrote: > > >> On 22 Apr 2021, at 5:33 PM, Jacob Faibussowitsch <jacob....@gmail.com >> <mailto:jacob....@gmail.com>> wrote: >> >> Not out of the box no. There is -info ::self which makes info only print >> from calls made on PETSC_COMM_SELF, but I don’t think that’s what you want. >> Best advice would be to print to a file and grep the file for any lines >> starting with the rank number you want. > > There is no need for grep, IMHO, just do -info file and then open file.%p > > Thanks, > Pierre > >> Best regards, >> >> Jacob Faibussowitsch >> (Jacob Fai - booss - oh - vitch) >> >>> On Apr 22, 2021, at 10:16, Mark Adams <mfad...@lbl.gov >>> <mailto:mfad...@lbl.gov>> wrote: >>> >>> Can I make -info only print from one process? >>> Mark >> >
