On 11/06/2012 05:24 PM, Kirk, Benjamin (JSC-EG311) wrote: > All - > > I'm refactoring the SystemIO code to help address the RB IO bottleneck. As > of r6316, serialized vectors are written as > > for node… > for var… > for comp… > > > instead of the previous implementation > > for var… > for node… > for comp… > > This allows the parallel communication to occur NVAR times less, passing > instead larger buffers more efficiently. I also removed the collective > communication from the serialized read member, so its performance is > increased 5-10x depending on a lot of factors. > > I tested this on all my stuff and am pretty confident with it, but let me > know if anything breaks! Old restart files should be read properly, but the > library only writes the new flavor. > > Dave, my ultimate fix for you will be extending this to write > > for node… > for vec… > for var… > for comp… > > or some permutation thereof, which will necessitate writing all the reduced > basis vectors to a single file, in order to get maximum performance. I > assume that's OK with you?
This sounds perfect to me, thanks! Dave ------------------------------------------------------------------------------ LogMeIn Central: Instant, anywhere, Remote PC access and management. Stay in control, update software, and manage PCs from one command center Diagnose problems and improve visibility into emerging IT issues Automate, monitor and manage. Do more in less time with Central http://p.sf.net/sfu/logmein12331_d2d _______________________________________________ Libmesh-devel mailing list Libmesh-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-devel
