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2018-03-01
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Is mult generally faster than (aget-float) ? Suppose I have an array (let [fa (float-array ...) fa2 (float-arrary ...)) where for each i, fa2[i] = fa[i] * fa[i] would it be faster to: 1. do the multi every time (the cost of recomputing) or 2. cache the results in fa2 and do an array lookup? I'm leaning towards recompute, as cache misses are expensive and mult is just one instruction; but the 'do extra work' is slightly counter intuitive
don't cache the result of a single multiply
unless you're multiplying BigInt
and even then it could go either way
works for me :)
probably a tree root growing through your cable
Maybe they’re cleaning up a bit after this https://www.wired.com/story/github-ddos-memcached/
How do you keep dry erase markers from drying out? I’m sick and tired of seeing every single professor struggle with swapping out 9 different markers every single class.
chalk! plus, you get that air of authority
the only serious thing I've ever seen is hanging the cap on string off to the side and removing the tray at the bottom, which is irritating
but makes it hard to set the marker down without capping it
We just wrote a thing about Elasticsearch. If you use Elasticsearch or are thinking about using Elasticsearch, please let me know if this type of article is helpful: http://bit.ly/es-index-aliases-clj