[aspect-devel] ASPECT scaling on a Cray XC30

Rene Gassmoeller rengas at gfz-potsdam.de
Wed Feb 5 01:08:43 PST 2014

> In other words, you see *strong* scaling all the way to 6k cores (and
> better-than-perfect scaling to 3072 cores). In other words, the fact
> that my computation is slow is because I'm not using enough cores and I
> could run the whole thing at ~7 times faster (1 day instead of 1 week!)
> if I used 8 times as many cores. That's good to know!

Yes I was quite happy about this as well.

> PS: What is the meaning of the lines where you strike through the numbers?

I striked through the models, which were run on a single node. They do
not fall out of line very much, but still they scale a bit differently
than the others (because they do not need inter-node communication).


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