[Bug c++/53292] multi-threaded (OpenMP) is slower than single-threaded

[fh_p at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53292

--- Comment #7 from FH <fh_p at hotmail dot com> 2012-05-09 14:36:00 UTC ---
Well...

Still don't really get why it is not possible to improve performance for such
basic things. I tried with allocations up to 7 Gb or more (RAM full + SWAP
full) : I still get the same result that looks unexpected to me ?!

Anyway, I guess I won't be able to get the logic of this...