------- Comment #4 from jaffe at broadinstitute dot org 2009-07-24 21:20 ------- Subject: Re: parallel sort run time increases ~10 fold when vector size gets over ~4*10^9
Oh crap, yes I did, and now I see that I accidentally left off the first three lines of sort_test.cc. They are: #define _GLIBCXX_PARALLEL #include <algorithm> #include <iomanip> David ======================================================================================================= paolo dot carlini at oracle dot com wrote: > ------- Comment #3 from paolo dot carlini at oracle dot com 2009-07-24 21:15 > ------- > Out of curiosity, did you try parallel-mode on that machine? Basically, just > add -D_GLIBCXX_PARALLEL, but refer to the documentation of course: > > http://gcc.gnu.org/onlinedocs/libstdc++/manual/parallel_mode.html#manual.ext.parallel_mode.intro > > I'm also adding Johannes, in CC... > > Note, I don't think we have any specific issue with the normal, serial, > std::sort... > > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40852
