On Fri, Mar 14, 2008 at 06:08:42PM +0100, stolendata.net wrote:
| Upon trying to locate an unexplained, massive performance reduction
| when switching host for a number of applications from obsd 4.1 to 4.2,
| I found that it seems gettimeofday() has taken a nosedive in
| performance as of openbsd 4.2.
|
| A very blunt test confirmed it; however, I'm not sure wherein the
| process of gettimeofday() this happens. I can only imagine the
| performance issues this has lead to in environments that do frequent
| time-polling (heavily burdened webservers come to mind).
|
| http://pastebin.com/m311250a6
Have you tried 4.3 / -current yet ?
My 3GHz amd64 machine running 4.3-ish : 1.675s
My 440MHz sparc64 machine running 4.2 : 3.512s
So it doesn't seem to affect all platforms (although I have nothing to
compare it against for my sparc64).
Cheers,
Paul 'WEiRD' de Weerd
--
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