Hi all, regarding decoding copied MPI_T event buffers, I was wondering whether we could kill two birds with one stone and combine this with the design for the 'handle introspection' interface we initially thought for debuggers. After all, characteristics are similar in the sense that I need an interface to query structure and potentially some crude form of semantics (arrays, groups, ranks, ...) from a 'blob' or a memory address, respectively. One difference is though that event buffers may exist before and after MPI_Init and MPI_Finalize, respectively, but the normal handles (comm, file, win, ...) a debugger may want to decode do not. What do you think? Should we explore/design in this direction? Personally, I think if we come up with a common solution, we'd reduce the number of function calls needed to enable both approaches as well as the number of 'concepts' a user needs to understand. Cheers, Marc-Andre PS: I would like to postpone the actual work on such an interface until we have more progress our active proposals. I don't want to get tangled up in juggling too many large proposals at the same time. -- Marc-Andre Hermanns Jülich Aachen Research Alliance, High Performance Computing (JARA-HPC) Jülich Supercomputing Centre (JSC) Wilhelm-Johnen-Str. 52425 Jülich Germany Phone: +49 2461 61 2509 | +49 241 80 24381 Fax: +49 2461 80 6 99753 www.jara.org/jara-hpc email: [email protected]