http://complement.sourceforge.net/compare.pdf present comparison of strings
implementations in STLport (trunk) and libstdc++.
This tests also can help to answer on questions: COW or non-COW strings
implementation better? What allocator is better? Under what conditions?
This comparison is done on the base of STLport strings, ropes and
libstdc++ strings. I expect that this results will help to make decision
between STL implementations as well proper choice of strings implementation.
And, of cause, it will help in future development of STLport.
Performance test suites and results are in STLport SVN repository: