21 Feb
2013
21 Feb
'13
9:24 p.m.
Hello all,
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.
That would be truly horrible I agree. Looking at the code, it does not seem to do so anymore. At least there are instances of "proc == ioproc" and CarpetLib's copy_from.
Yours, Roland
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