[Bug libstdc++/45574] cin.getline() is extremely slow

[paolo dot carlini at oracle dot com]

------- Comment #15 from paolo dot carlini at oracle dot com  2010-09-09 09:25 -------
If you write a patch it would be of course looked at. But *please* try first
something that doesn't break the ABI, because we have *no* idea when you
changes would be applied otherwise. About the *_unlocked functions, we know
those glibc extensions exist, but, as far as I can see would only change the
complexity by a not so so small multiplicative constant and, after years and
years of using everywhere the normal versions, I don't believe we should change
just now the configuration on Linux only. But, as I said, provided you don't
break the ABI (to be concrete) and the improvements are substantive, you are
certainly welcome to submit patches to the libstdc++ mailing list. Thanks.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45574