brain of mat kelcey http://matpalm.com/blog thoughts from a data scientist wannabe Blogofile hourly 1 erlang profiling http://matpalm.com/blog/2009/04/22/erlang-profiling/ http://matpalm.com/blog/?p=22 erlang profiling i just found fprof, the erlang profiler by randoming clicking around the erlang man page list

try

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fprof:apply(Module, Function, Args).
fprof:profile().
fprof:analyse().

for an interesting breakdown of a call

]]> the median of a trillion numbers http://matpalm.com/blog/2008/11/15/the-median-of-a-trillion-numbers/ http://matpalm.com/blog/?p=16 the median of a trillion numbers i got asked in an interview once “how would find the median of a trillion numbers across a thousand machines?”

the question has haunted me, until now.

here’s my ruby and erlang implementation with a bit of running amazon ec2 thrown in for good measure….. matpalm.com/median/

grab the code from github

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