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Thanks for sharing! I'm now curious to know what the energy bill came to and whether it would make it to the list of most expensive domain names[1].

[1] https://en.wikipedia.org/wiki/List_of_most_expensive_domain_...

100M...200M core h, 10 W/core, 50 $/MWh and we get 50k...100k $.

It's awesome we live in a world where we can throw 100-200 million cpu hours at something of a whim.

That each of those cores are billions of times faster than my first PC just puts the icing on the cake.

FWIW, we ran it on and off for about a month IIRC, as the cluster was put through its paces prior to going live. I also seem to remember Matt Jones doing a minor tweak to the scallion code to speed things up as well...