On Sat, Dec 28, 2002 at 10:37:06PM +0200, Ville Herva wrote:
> Now that Linus has killed the dragon and everybody seems happy with the
> shiny new SYSENTER code, let just add one more stupid question to this
> thread: has anyone made benchmarks on SYSCALL/SYSENTER/INT80 on Athlon? Is
> SYSCALL worth doing separately for Athlon (and perhaps Hammer/32-bit mode)?
Yes, the output of the programm Linus posted is on a Duron 750 with
2.5.53 like this:
igor3:~# ./a.out
187.894946 cycles (call 0xffffe000)
299.155075 cycles (int 80)
(cycles per getpid() call)
Christian Leber
-- "Omnis enim res, quae dando non deficit, dum habetur et non datur, nondum habetur, quomodo habenda est." (Aurelius Augustinus) Translation: <http://gnuhh.org/work/fsf-europe/augustinus.html> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Dec 31 2002 - 22:00:13 EST