14 characters when 4 does the trick. Eventually I'll fix the petsc4py build, it is now part of PETSc so should behave as well as the rest of PETSc.
> On Oct 11, 2020, at 8:30 AM, Matthew Knepley <[email protected]> wrote: > > On Sun, Oct 11, 2020 at 9:18 AM Jed Brown <[email protected] > <mailto:[email protected]>> wrote: > Not unless you pass -j (or export it in MAKEFLAGS). > > So just run make -f ./gmakefile -j 8 if you want a parallel build? > > Matt > > On Sun, Oct 11, 2020, at 6:51 AM, Matthew Knepley wrote: >> On Sun, Oct 11, 2020 at 4:35 AM Barry Smith <[email protected] >> <mailto:[email protected]>> wrote: >> >> >>> On Oct 11, 2020, at 2:50 AM, Pierre Jolivet <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> This actually applies to all packages with builtafterpetsc = 1. >> >> Yes, but now that petsc4py is part of the PETSc repository I would like to >> just alway have it turned on so now the rebuild is annoying. >> >>> I think you want to do make libs instead of make all? >> >> The problem is make libs is not parallel so much slower? >> >> make -f ./gmakefile is not parallel? >> >> Matt >> >> Barry >> >>> >>> Thanks, >>> Pierre >>> >>>> On 11 Oct 2020, at 9:36 AM, Barry Smith <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> >>>> I change a single PETSc file and do make all that single file gets >>>> compiled but all of mpi4py and petsc4py get recompiled even though I have >>>> not changed any thing to affect them. No include files for example >>>> >>>> >>>> *** Building mpi4py *** >>>> *** Installing mpi4py *** >>>> ===================================== >>>> To use mpi4py, add >>>> /Users/barrysmith/Src/petsc/arch-cleanup-dmd-domaindecomposition/lib to >>>> PYTHONPATH >>>> ===================================== >>>> *** Building petsc4py *** >>>> >>> >>> >> >> >> >> >> -- >> What most experimenters take for granted before they begin their experiments >> is infinitely more interesting than any results to which their experiments >> lead. >> -- Norbert Wiener >> >> https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/> > > > -- > What most experimenters take for granted before they begin their experiments > is infinitely more interesting than any results to which their experiments > lead. > -- Norbert Wiener > > https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
