On Tue, Aug 17, 2010 at 4:34 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> It should get a bit faster if we reduce the number of branches it
>> examines, which I assume is something we can do once we desupport 7.4
>> and 8.0. We could also add a --since argument which would doubtless
>> speed things up a lot, by truncating the history to, say, the last N
>> years. Also, it could possibly be rewritten to be faster still if it
>> started N simultaneous copies of git log simultaneously instead of in
>> sequence, and processed them incrementally rather than throwing them
>> into a giant hash table, which would also probably cut down memory
>> usage quite a bit. However, I'm not really inclined to spend a lot of
>> time on it unless it's actually bugging Tom.
>
> FWIW, I would find a --since option useful (since I use the equivalent
> option of cvs2cl), but those other refinements don't seem of interest.
> 14 seconds is already an order of magnitude or two faster than cvs2cl.
I'm pretty sure that with such an option, you'd be down to sub-second speed.
>> So I think we should consider checking it into src/tools.
>
> +1 ... but not today ;-)
:-)
--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/