Github user dbtsai commented on the pull request:
https://github.com/apache/spark/pull/1379#issuecomment-68029618
@avulanov It's very encouraging benchmark result you saw in real world
cluster setup. Since I'm on vacation recently, I don't actually deploy the new
code and benchmark in our cluster. Great to see such huge 10x performance gain
(actually bigger than what I thought, and in my local single machine testing, I
only saw 2~4x difference.)
What optimization do you do on your ANN implementation? The same things in
MLOR?
@mengxr Is it possible to reopne this closed PR in github? There are lots
of useful discussion here, so I don't want to open another PR in github. I
think I'm mostly done except the unit-test, and I can push the code for code
review now before our meeting. (PS, the now code is more generalized than
binary one, and has the same performance in the binary special case in my local
testing.)
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