Torsten Hoefler’s blog

Today was the first official reading of my Nonblocking Collective Operation proposal for MPI-3. It was a bit to short but it went really good. There were lots of discussions about clarifying the text, but the semantics are mainly fixed now. It looks like everything can be fixed before the next meeting. A picture made [...]

Just came back from the third MPI Forum in Chicago. We finished MPI-2.1 (I guess) … mostly. I think we’ll just have to vote on it at the next meeting . It’s good that this is finished and we have a nice single document mandating the newest MPI standard. We’ve also been able to [...]

Just came back from the second official meeting. I guess I can claim to be a member now (IU has a vote which requires to attend the two last meetings). Not much to say (officially), but it was very very interesting and productive! I’m looking forward to the next one. Here a picture of the [...]

I just came back form the MPI Forum meeting. It’s kind of cool … I would have never thought that I would ever drive with my own car to an MPI Forum meeting in Chicago – I just did! The meeting was pretty interesting even though most of the discussions were focuses on bugfixing the [...]

Some pictures from the conference …

I am talking about non-blocking collectives here – we had an interesting question/discussion session afterwards .
  The reception in the French Senate – pretty classy .
Not too much more going on so far (besides some “pub-events” )

Yes, it is as cryptic as it sounds . I finally (after a couple of months) finished to merge Christian’s MPI_Bcast() patch with my LibNBC patch to enable the usage of non-blocking collectives in HPL. The performance has to be investigated in more detail, LibNBC will probably provide benefits if lookahead is used. But [...]