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From: "jdcoxm3 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/14061] poor performance of std::sort on large lexicographic c-string sort Date: Fri, 27 Mar 2015 18:10:00 -0000 [thread overview] Message-ID: <bug-14061-4-odoWshpImE@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-14061-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14061 jdcoxm3 at hotmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jdcoxm3 at hotmail dot com --- Comment #4 from jdcoxm3 at hotmail dot com --- I ran into nearly the same issue and submitted a bug on this. Add a check to you compare function as a work around. struct functor_cmp { bool operator()(const char* a, const char* b){ if (a == b) return false; if( (++cmpcount)%100000 == 0 ) std::cerr << cmpcount << std::endl; return strcmp(a,b) == -1; } };
next parent reply other threads:[~2015-03-27 17:51 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-14061-4@http.gcc.gnu.org/bugzilla/> 2015-03-27 18:10 ` jdcoxm3 at hotmail dot com [this message] 2004-02-07 8:07 [Bug libstdc++/14061] New: " ctsa at u dot washington dot edu 2004-02-07 8:37 ` [Bug libstdc++/14061] " pinskia at gcc dot gnu dot org 2004-02-07 16:03 ` pcarlini at suse dot de 2004-02-07 22:09 ` ctsa at u dot washington dot edu
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