At SDC this week, Ethan Miller presented about some work he has done along with others including Jim Plank, who also was involved with jerasure; it seems like this work may be useful for optimizing the
erasure code calculations on Intel CPUs, at least:

http://bitbucket.org/ethanmiller/gf-complete

Paper here: http://web.eecs.utk.edu/~plank/plank/papers/FAST-2013-GF.pdf
looks very much like the presentation Ethan gave at the conference.

--
Dan Mick, Filesystem Engineering
Inktank Storage, Inc.   http://inktank.com
Ceph docs: http://ceph.com/docs
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