Scaling problem of HashMap (introduced with alternative hashing)

Zhong Yu zhong.j.yu at gmail.com
Thu Dec 27 19:16:10 UTC 2012


Reported by the SO question

    http://stackoverflow.com/questions/14010906

the HashMap constructor contains a CAS, which is kind of surprising.
Could it be removed?

    transient final int hashSeed =
sun.misc.Hashing.randomHashSeed(this);  // CAS

Zhong Yu



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