Thank you Jeff for your explaination. It is much clearer now. Best regards.
Olivier 2010/5/15 Jeff Squyres <jsquy...@cisco.com> > On May 12, 2010, at 8:19 AM, Olivier Riff wrote: > > > What I do not understand is where the value of 2104m for the virtual > memory comes from. > > When I add the value of Mem used (777848k) to the value of the cache > (339184k) : the amount is by far inferior to the Virtual memory (2104m). > > Are here part of the memory allocated by the clients taken into account ? > > No, top only shows the data from one machine. > > > Where are physically allocated these 2104m of data ? > > They may be in physical memory and may also be swapped out on disk. > > Keep in mind that the virtual memory encompasses *all* memory for an > application -- its code and its data. Hence, this also includes shared > libraries (which may be shared amongst several processes on the same > machine), process-specific instructions, process-specific data, and shared > process data. > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >