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From: David Abrahams (gclbb-jamboost_at_[hidden])
Date: 2003-08-01 11:45:53

Vladimir Prus <ghost_at_[hidden]> writes:

> David Abrahams wrote:
>> Vladimir Prus <ghost_at_[hidden]> writes:
>> > Hmm... the net time for this rule alone is 1second. Pretty high.
>> Does that make it worthwhile to optimize?
> IMO, yes.
>> Is that a significant percentage of the total?
> The problem is that there's no single rule which takes 50% of the running
> time. It's a bunch of rules which take too much time, which, in total, makes
> V2 slow.

OK. I've had success chipping away at 1% slownesses, but it's
tedious. It would be nice to find some big wins.

> Concerning this rule: it's some internal bookkeeping that V2 does and yet it
> takes 1 second on a pretty fast machine. Seems a good candidate for
> optimization. Or do you have other ideas?


Dave Abrahams
Boost Consulting

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