Hi Cedric, On 05/18/2010 11:00 AM, Cedric Pradalier wrote: > A couple of week ago, I've posted a pdf with performance evaluation for > inter-node only using local TCP or Sharedmemory. I measured message > delivery time, and message frequency, as a function of message size. > Search for the "Shared memory image plugin" thread. Thanks for the measurements, I've also been interested in that. One of the things I noticed on that plot is that the variability is fairly large, even without compression (which might be expected to be non-deterministic). Is that standard deviation or another statistic? cheers, -- Dipl.-Inform. Ingo Lütkebohle Bielefeld University, Germany http://aiweb.techfak.uni-bielefeld.de/user/ingo-lutkebohle fon: +49-521-106-2952