[Bug libstdc++/65609] New: std::sort is suboptimal

2015-03-27 Thread jdcoxm3 at hotmail dot com
++ Assignee: unassigned at gcc dot gnu.org Reporter: jdcoxm3 at hotmail dot com std::sort will call the compare function with the same object which can cause severe performance problems. This shows up in parallel_sort (both Intel's TBB and __gnu_parallel's version) and on multiple OS

[Bug libstdc++/14061] poor performance of std::sort on large lexicographic c-string sort

2015-03-27 Thread jdcoxm3 at hotmail dot com
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

[Bug libstdc++/65609] std::sort is suboptimal

2015-03-27 Thread jdcoxm3 at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65609 --- Comment #2 from jdcoxm3 at hotmail dot com --- Thanks for looking into this so quickly. My mac, running latest os (10.10.2) and xcode (6.2) also has the problem but looking deeper, it's based on version 4.2.1. I thought it would have b