[Bug libstdc++/24704] [3.4/4.0/4.1 Regression] __gnu_cxx::__exchange_and_add is out of line and called even for single threaded applications using std::string

[pcarlini at suse dot de]

------- Comment #8 from pcarlini at suse dot de  2005-11-07 17:36 -------
(In reply to comment #7)
> Actually the real issue is not even here and there is no performance problems
> with the out of line/non threaded calls but the real issue is that we are just
> calling them too much.

Andrew, in some sense you are right, given the current reference-counted nature
of std::string. However, let's not close this PR: submitter has a point that
the user should be enabled to disable the use of atomics when configuring for
single thread. I leave to you the exact categorization... Thanks.


-- 

pcarlini at suse dot de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|WORKSFORME                  |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24704