Speeding up v3 basic_string

[Paolo Carlini]

Benjamin Kosnik wrote:

> > I think we need to find some way of putting these performance-based
> > testcases in the repository.  :-)
>
> Seconded. Putting all this stuff in is ok, but putting it in and
> augmenting the testing infrastructure to make sure that the performance
> gains remain is a much more clever hack.
>
> This is an outstanding issue.

I completely agree.

> > We don't want them to run as part of 'make check' since they could take
> > several minutes all together, right?  Maybe 'make perf' or some such.
>
> We might as well make them part of 'make check.'
>
> I was thinking that a directory, say 'benchmark' or 'performance' or
> 'performance_analysis' could be added to the testsuite directory.

I think that this would be great! (more generally could by interesting for gcc
itself too...)

Personally, I would enjoy helping for this project.

Paolo.