[Users] strong scaling tests on Stampede (TACC)

Roland Haas roland.haas at physics.gatech.edu
Thu Feb 21 21:52:06 CST 2013

Hello all,

>> 	and hence I didn't plot them in the other figure). I didn't try
>> 	using 1D hdf5 output instead, does anyone use it?
> Not 1D, but 2D, and that works very well.
So CarpetIOHDF5's 1d output would be expected to be faster than
CarpetIOASCII's? Interesting, I had thought them both to be very similar
as far as sending around data for proc0 to write was concerned. If that
is the case then it is the actual IO routines in the thorns that behave
so differently.


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