Re: [Boost-build] BBv2 intolerably slow in Boost tree.

From: David Abrahams (dave_at_[hidden])
Date: 2006-07-27 10:10:45

Vladimir Prus <ghost_at_[hidden]> writes:

> On Wednesday 26 July 2006 23:20, David Abrahams wrote:
>
>> >> >> > Also, can you try the attached patch to top-level Jamfile.v2?
>> >> >>
>> >> >> With the patch, it flies!
>> >> >
>> >> > What's performance of V1? I can replace the globbing code with that we
>> >> > have there, as a quick solution.
>> >>
>> >> v1 is much faster than v2, even with the patch.
>> >
>> > Then there's something wrong in globbing code.
>>
>> What makes you think all the time is going into globbing?
>
> You reported that my patch improves performance considerably. The only thing 
> the patch does is removing globbing code. 

Yes, but even with the globbing removed, v2 is still considerably
slower than v1.  That suggests to me that there is a culprit other
than globbing.  What am I missing?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com