https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126274
Patrick Palka <ppalka at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ppalka at gcc dot gnu.org
--- Comment #2 from Patrick Palka <ppalka at gcc dot gnu.org> ---
With what target and optimization flags is there such a big slowdown? IIRC
according to my crude benchmarks at the time I only noticed about a 30%
slowdown, with just -O2 on my rather old x86 machine. The implementation is now
pretty sensitive to inlining of std::vector operations, so maybe I just got
lucky. Note we are still many times faster than libc++'s impl (about 5x
according to my benchmarks).
