jm + hashsets   2

Iterating over hash sets quickly in Java
Interesting datum:
My numbers are clear: in my tests, it is three times faster to sum up the values in a LinkedHashSet [than a HashSet].
performance  java  locality  memory  cache-friendly  data-structures  hashsets  linkedhashsets  sets 
5 weeks ago by jm
OpenHFT/hftc · GitHub
This is a yet another Java collections library of primitive specializations. Java 6+. Apache 2.0 license. Currently only hash sets and hash maps are implemented.
openhft  performance  java  jvm  collections  asl  hashsets  hashmaps  data-structures 
august 2014 by jm

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