Performance regression in java.util.zip.Deflater

[Clemens Eisserer]

Hi again,

I've finished a very early draft of the native stride+copy
implementation of Deflater.
Its still very early and is not tested a lot (so don't wory about I
would think this should go in as is ;) ), but seems to perform quite
well.
I just post it ... well ... to get some critics and advises ;)

I don't like the code as its far too messy in my opinion, maybe
somebody has better ideas to clean it up. Furthermore I don't know
wether it breaks corner-cases.

lg Clemens
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