[cfe-dev] Clang build of ATLAS (and speed comparison)
miles at gnu.org
Thu Sep 8 23:52:32 CDT 2011
Vincent Habchi <vince at macports.org> writes:
> As a preliminary report, here is what spits out the ATLAS built-in
> benchmark (‘make time’) after a compilation with the -Oz
> flag. Reference stands for an installation presumably with GCC4.x on
> Linux (Clint, could you elaborate on this?).
"gcc 4.x" is absurdly vague though -- gcc has changed hugely between 4.0
and 4.7. You also have no idea how the reference build was done.
It seems much more reasonable to just build the benchmarks with a
suitably recent version of gcc (4.6 probably) yourself.
"She looks like the wax version of herself."
[Comment under a Paris Hilton fashion pic]
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