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From "Aleksey Shipilev" <aleksey.shipi...@gmail.com>
Subject Re: [classlib][luni][performance] IdentityHashMap implementation
Date Mon, 21 Apr 2008 06:02:21 GMT
Well, the implementation note is what confusing me.
Can we ignore it and implement our own IdentityHashMap instead of
open-addressed + linear probed + joint key/values array?

On Mon, Apr 21, 2008 at 8:50 AM, Alexey Varlamov
<alexey.v.varlamov@gmail.com> wrote:
>  Implementation note: This is a simple linear-probe hash table, as
>  described for example in texts by Sedgewick and Knuth. The array
>  alternates holding keys and values. (This has better locality for
>  large tables than does using separate arrays.) For many JRE
>  implementations and operation mixes, this class will yield better
>  performance than HashMap (which uses chaining rather than
>  linear-probing)."

Thanks,
Aleksey.

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