On Wed, Jan 05, 2011 at 01:57:03PM +0100, Julian Kunkel wrote: > Hi, > I'm sorry in the last post, not romio_pvfs2_listio_write seems the > right setting to use datatypes but romio_pvfs2_dtype_write > Which is disabled by default as well... > > When I set the hint it works, reducing the time from 0.07s to 0.003Xs > so about 20 times faster due to the saved round-trips on our cluster. > I verified the expected behavior in the trace files.
I'm really happy to hear someone else has tried out Avery's more complex datatype processing. RobR's right: I wanted a few users to try out those hints on assorted workloads before enabling the optimization by default. Well, that was several years ago. Maybe it's time to turn it on. ==rob -- Rob Latham Mathematics and Computer Science Division Argonne National Lab, IL USA _______________________________________________ Pvfs2-developers mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers
