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
