System.identityHashCode performance

Janda Martin jandam at
Tue Sep 22 11:26:05 UTC 2009

I would like to ask about any plans of speed improvements to "System.identityHashCode" or "IdentityHashMap"

I use EclipseLink and it uses IdentityHashMap for storing entities and their clones.

In my case System.identityHashCode consumes 54% of time during insert data to database. There are lots of other project using IdentityHashMap and identityHashCode.

Thank you very much


PS sorry for my english

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