coordinating Magma development - configurations

[Igor Stasenko]

Thank you for reply. I was bit worried you didn't replied to message
about dictionaries, where i described what causing problems with my
dicts.
A reason is quite surprising: because they too fast :)

On 24/08/07, Chris Muller <ma.chris.m at gmail.com> wrote:
> Hi Sig, I guess I did not see your email about the Dictionary's, but
> here is my reply to Keith after he asked.
>
> I won't have time to get too much into benchmarking in the near future
> (plate is overflowing) but am grateful for your work (as I'm sure all
> Magma users are).
>
> I want to establish an appropriate benchmark (maybe add an additional
> to MagmaBenchmarker) and try all of the below-mentioned solutions;
> Martin Loewies', yours, HashTable and any other possibilities.
>
> Best obviously is if the MagmaBenchmarker can identify which ones are
> most suitable but I think the existing tests in there are a bit too
> short (not enough entires in the Dictionary's, they don't test that)
> to really reveal what would be the best dictionary, so we need to add
> an additional test to the output.
>
> Thanks.
>   Chris
>
>
> ---------- Forwarded message ----------
> From: Chris Muller <ma.chris.m at gmail.com>
> Date: Aug 2, 2007 10:42 PM
> Subject: Re: coordinating Magma development - configurations
> To: Keith Hodges <keith_hodges at yahoo.co.uk>
>
>
> Yes.  I am keenly interested in the work Sig has done on the
> WeakKeyIdentityDictionary's.  Magma spends a considerable portion of
> its time spinning through these Dictionary's, so I believe speeding
> them up will have a direct, impactful benefit to Magma.
>
> Release 40 is about to go out the door so it is way too late to try to
> evaluate his new "MaDictionary" upgrade against the other Dictionary
> options like the one from Martin Loewis at
>
>   http://bugs.squeak.org/view.php?id=6348
>
> Also, there was mention of a HashTable (?) and others that need investigating.
>
> I have, however, included his enhancement that lets one plug whatever
> kind of Dictionary one wants to use, which is a perfect segway to
> "Release 41", so we'll have time to plug in the various options and
> see how they all perform compared to each other.

Oh, this enhancement is not complete , i added a choice to select
WeakKeyIdentityDictionary class, but not WeakValueDictionary.
While testing Db, which Florian gave me i noticed, that most speed
impact lies on replacing WeakValueDictionary.

>
> Thanks,
>   Chris
>
> PS - Sig is welcome to contact me anytime, better yet, this discussion
> would be great for the mailing list.
>
>
> On 8/2/07, Keith Hodges <keith_hodges at yahoo.co.uk> wrote:
> > Sig asked me whether you were going to look at his replacement dictionaries.
> >
> > I told him that you were probably being methodical and would get around
> > to it.
> >
> > best regards
> >
> > Keith
> >
>


-- 
Best regards,
Igor Stasenko AKA sig.