[Users] strong scaling tests on Stampede (TACC)
knarf at cct.lsu.edu
Thu Feb 21 23:18:07 CST 2013
On Thu, Feb 21, 2013 at 07:52:06PM -0800, Roland Haas wrote:
> 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.
I was under the impression that CarpetIOASCII does not send any data
around. Each process writes to the file, one after the other.
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