Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 21 Jan 2005 02:19:15 +0000
From:      Joseph Koshy <joseph.koshy@gmail.com>
To:        Alin-Adrian Anton <aanton@spintech.ro>
Cc:        Marco Trentini <mark@remotelab.org>
Subject:   Re: clock time in milliseconds into a c program
Message-ID:  <84dead72050120181965c70231@mail.gmail.com>
In-Reply-To: <41EFBEA5.50007@spintech.ro>
References:  <20050120004406.GF921@einstein.lab> <41EFBEA5.50007@spintech.ro>

next in thread | previous in thread | raw e-mail | index | archive | help
> I don't think there is a streight way to speed-up the default 
> unix time resolution, which is, as far as i know, in 
> microseconds.

On i386 (and possibly amd64) platforms you can use the
RDTSC instruction to get a direct measure of processor
cycles elapsed.

-- 
FreeBSD Volunteer, http://people.freebsd.org/~jkoshy



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?84dead72050120181965c70231>