Well, if you’re trying to get Open MPI running on a platform for which we don’t have atomics support, built-in atomics solves a problem for you…
Brian > On Aug 1, 2017, at 9:42 AM, Nathan Hjelm <hje...@me.com> wrote: > > So far only cons. The gcc and sync builtin atomic provide slower performance > on x86-64 (and possible other platforms). I plan to investigate this as part > of the investigation into requiring C11 atomics from the C compiler. > > -Nathan > > >> On Aug 1, 2017, at 10:34 AM, Dave Love <dave.l...@manchester.ac.uk> wrote: >> >> What are the pros and cons of configuring with --enable-builtin-atomics? >> I haven't spotted any discussion of the option. >> _______________________________________________ >> users mailing list >> users@lists.open-mpi.org >> https://lists.open-mpi.org/mailman/listinfo/users > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
