Jeff, Cross compilation is the recommended way on Fugaku. In all fairness, even if Fujitsu MPI is based on Open MPI, they built the MPI wrappers (that invoke the cross compilers) on top of opal (read not the scripts).
Cheers, Gilles On Fri, Mar 25, 2022 at 1:06 AM Jeff Squyres (jsquyres) <jsquy...@cisco.com> wrote: > Gilles -- > > Do you know if anyone is actually cross compiling? I agree that this is > in the "nice to have" category, but it is costing Brian time -- if no one > is using this functionality, it's not worth the time. If people are using > this functionality, then it's potentially worth the time. > > -- > Jeff Squyres > jsquy...@cisco.com > > ________________________________________ > From: devel <devel-boun...@lists.open-mpi.org> on behalf of Gilles > Gouaillardet via devel <devel@lists.open-mpi.org> > Sent: Wednesday, March 23, 2022 10:28 PM > To: Open MPI Developers > Cc: Gilles Gouaillardet > Subject: Re: [OMPI devel] Script-based wrapper compilers > > Brian, > > My 0.02 US$ > > Script based wrapper compilers are very useful when cross compiling, > so ideally, they should be maintained. > > Cheers, > > Gilles > > On Thu, Mar 24, 2022 at 11:18 AM Barrett, Brian via devel < > devel@lists.open-mpi.org<mailto:devel@lists.open-mpi.org>> wrote: > Does anyone still use the script based wrapper compilers? I have been > working on fixing a number of static library compile issues caused by us > historically not having been great about tracking library dependencies and > the OMPI/PMIx/PRRTE split. Part of this is some fairly significant > modifications to the wrapper compilers (here's the PMIx version: > https://github.com/openpmix/openpmix/commit/e15de4b52f2d331297bbca31beb54b5a377557bc). > It would be easiest to just remove the script based wrapper compilers, but > I'll update them if someone uses them. > > Thanks, > > Brian > >
