Are the faster versions of HashMap and BigInteger going into jdk7?

Andrew John Hughes gnu_andrew at
Tue Oct 27 11:49:49 UTC 2009

2009/10/27 Alan Eliasen <eliasen at>:
> On 10/23/2009 11:01 AM, Andrew John Hughes wrote:
>> 6622432 is the one of the ones I just pointed to i.e. it's in JDK7.
>> If Alan has a further patch and hasn't even submitted it for
>> inclusion, it's obviously not in.
>   I had just queried Joe Darcy at Sun about reviewing my patches for
> Karatsuba and Toom-Cook multiplication in BigInteger again last week. His
> reply was:
>   "Yes, I apologize again for the repeated delays; I want to get your
> Karatsuba work reviewed and integrated within this JDK 7 milestone (the next
> few weeks)."
>    So I'm hopeful.  So far, I haven't heard of any substantive issues with
> the patches.  They were mostly stylistic.
>    As I've stated before, I also have patches that greatly improve the
> performance of pow() and toString() (by orders of magnitude) that I have
> been holding on to for a long time, and hoping to submit after the
> multiplication patches are approved.  (I was asked by Joe Darcy to submit in
> smaller patches.)  Hopefully these might get in JDK 7 too.
> --
>  Alan Eliasen
>  eliasen at


I presume this was in private e-mail.  Why was it not just discussed
on this list?  For one thing, you wouldn't then have to reiterate the
Andrew :-)

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