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From "Aleksey Shipilev" <aleksey.shipi...@gmail.com>
Subject Re: [classlib][luni][performance] *HashMap cleanup and optimization (was: Re: [classlib][luni][performance] IdentityHashMap implementation)
Date Wed, 21 May 2008 14:37:13 GMT
Hi,

Thanks to Mark, HARMONY-5791 (HashMap cleanup) was committed.

Now I had moved IdentityHashMap implementation to be like cleaned
HashMap and filed HARMONY-5771 with the patches. Could someone please
review it?

Thanks,
Aleksey.

On Wed, May 14, 2008 at 2:09 PM, Aleksey Shipilev
<aleksey.shipilev@gmail.com> wrote:
> Hi,
>
> I'm back from my long vacation and see that milestone is almost ready,
> so we could proceed with Collections works.
> Can someone review HARMONY-5791?
>
> Thanks,
> Aleksey.
>
> On Wed, Apr 30, 2008 at 12:19 PM, Aleksey Shipilev
> <aleksey.shipilev@gmail.com> wrote:
>> Nathan,
>>
>>  Is there an option to commit this patch before code freeze starts (if
>>  not already)?
>>  The changes there are pretty trivial and I could proceed with
>>  IdentityHashMap works while M6 is under testing.
>>
>>  Thanks,
>>  Aleksey.
>>
>>
>>
>>  On Wed, Apr 30, 2008 at 4:21 AM, Nathan Beyer <ndbeyer@apache.org> wrote:
>>  > Bring this back up after the milestone is complete.
>>  >
>>  >  -Nathan
>>  >
>>  >  On Tue, Apr 29, 2008 at 1:49 AM, Aleksey Shipilev <
>>  >
>>  > aleksey.shipilev@gmail.com> wrote:
>>  >
>>  >
>>  > > Hi,
>>  >  >
>>  >  > > I see the plan is following:
>>  >  > >  1. Sweep the HashMap implementation and make the source beatuful:
add
>>  >  > > necessary comments, re-layout class members.
>>  >  > >  2. Test-commit-test sweeped HashMap implementation and see there
are
>>  >  > > no breakages.
>>  >  > >  3. Remove legacy IdentityHashMap and copy HashMap over it (using
svn
>>  >  > > capabilities)
>>  >  > >  4. Transform new IdentityHashMap to real IdentityHashMap (hashCode
->
>>  >  > > identityHashCode, equals -> == and stuff)
>>  >  > >  5. Test-commit-test new IdentityHashMap.
>>  >  >
>>  >  > It seems like we had stuck on (1) point on our plan, there is a patch
>>  >  > already in HARMONY-5791, and we need to review it before moving
>>  >  > towards actual performance  works. LUNI/Collections gurus (Jimmy,
>>  >  > Mark, Nathan, Tim?), please review it so I can proceed in my efforts.
>>  >  > :)
>>  >  >
>>  >  > Thanks,
>>  >  > Aleksey.
>>  >  >
>>  >  >
>>  >  > On Mon, Apr 28, 2008 at 1:03 PM, Aleksey Shipilev
>>  >  > <aleksey.shipilev@gmail.com<https://mail.google.com/mail?view=cm&tf=0&to=aleksey.shipilev@gmail.com>>
>>  >
>>  > > wrote:
>>  >  > > Hi again,
>>  >  > >
>>  >  > >  Can some classlib guru review HARMONY-5791?
>>  >  > >
>>  >  > >  Thanks,
>>  >  > >  Aleksey.
>>  >  > >
>>  >  > >  On Fri, Apr 25, 2008 at 1:31 AM, Aleksey Shipilev
>>  >  > >
>>  >  > >
>>  >  > > <aleksey.shipilev@gmail.com<https://mail.google.com/mail?view=cm&tf=0&to=aleksey.shipilev@gmail.com>>
>>  >
>>  >
>>  > > wrote:
>>  >  > >  > Mark,
>>  >  > >  >
>>  >  > >  >  That's great there are no regressions on Commons-collections
tests!
>>  >  > >  >  BTW, can we adopt them as the part of BTI or luni tests?
>>  >  > >  >
>>  >  > >  >  I had created HARMONY-5791 for HashMap cleanup, and there's
a first
>>  >  > >  >  patch already, can you please take a look? I had extracted
the
>>  >  > >  >  contract-related methods there, so the change to IdentityHashMap
>>  >  > >  >  should be pretty straightforward. After we finish with this
issue, I
>>  >  > >  >  could provide the clean script/patch for IdentityHashMap
changes.
>>  >  > >  >
>>  >  > >  >  Thanks,
>>  >  > >  >  Aleksey.
>>  >  > >  >
>>  >  > >  >
>>  >  > >  >
>>  >  >
>>  >
>>
>

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