> <axe_grind>
>
> Don't believe me that Solaris sucks here? Run this experiment under
> Solaris-latest and Linux on a sparc64 system (using lmbench):
>
> Under Solaris: ./lat_proc fork
> Under Linux: strace -f ./lat_proc fork
>
> I bet the Linux case does better than the Solaris run by some orders
> of magnitude. That's how poor their fork/exit/switch code is.
>
> </axe_grind>
It's a very impressive difference:
Script started on Tue Jun 19 17:49:30 2001
[kaboom@thing2 linux]$ ./lat_proc fork
Process fork+exit: 563.7778 microseconds
[kaboom@thing2 linux]$ ./lat_proc fork
Process fork+exit: 565.5556 microseconds
[kaboom@thing2 linux]$ ./lat_proc fork
Process fork+exit: 568.0000 microseconds
[kaboom@thing2 linux]$ exit
Script done on Tue Jun 19 17:49:46 2001
Script started on Tue 19 Jun 2001 05:51:38 PM MDT
[kaboom@thing1 solaris]$ ./lat_proc fork
Process fork+exit: 4249.5000 microseconds
[kaboom@thing1 solaris]$ ./lat_proc fork
Process fork+exit: 4212.5000 microseconds
[kaboom@thing1 solaris]$ ./lat_proc fork
Process fork+exit: 4241.0000 microseconds
[kaboom@thing1 solaris]$ exit
script done on Tue 19 Jun 2001 05:52:19 PM MDT
thing1 and thing2 are identical Sun Blade 100s. thing1 is running Solaris 8
(04/01 release), while thing2 is running 2.4.4 (Debian/unstable).
later,
chris
--
Chris Ricker kaboom@gatech.edu
chris@gurulabs.com
-
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/