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Re: Performance regression with libstdc++-v3
- To: Reichelt <reichelt at igpm dot rwth-aachen dot de>
- Subject: Re: Performance regression with libstdc++-v3
- From: Benjamin Kosnik <bkoz at redhat dot com>
- Date: Mon, 28 May 2001 12:19:34 -0700 (PDT)
- cc: libstdc++ at gcc dot gnu dot org
> > Benjamin/Phil, do you remember off-hand why the __USE_MALLOC
> > configuration of the allocator was selected?
There were a lot of MT issues with __USE_MALLOC and libstdc++-v2. Turning
it on became a quick way of fixing these issues without re-writing the
allocator class.
> > If not, we might want to
> > seriously reconsider the selection before the 3.0 release (I know it
> > is *very* late to be suggesting this change, but STL code running
> > about three times slower than it could will be an important turnoff to
> > people we are trying to convince that g++ 3.0 and libstdc++-v3 is
> > ready for prime-time).
Right.
Thanks for the good analysis on this one Loren. I'm up for this change,
and would approve it for both branch and mainline if you were to make a
patch.
best,
benjamin