Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 26 Jun 2000 15:09:10 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        adsharma@sharmas.dhs.org
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: VM coloring description in NOTES
Message-ID:  <14679.40851.766762.577274@grasshopper.cs.duke.edu>
In-Reply-To: <slrn8lf206.73g.adsharma@c62443-a.frmt1.sfba.home.com>
References:  <59063B5B4D98D311BC0D0001FA7E4522026D76AF@l04.research.kpn.com> <slrn8lf206.73g.adsharma@c62443-a.frmt1.sfba.home.com>

next in thread | previous in thread | raw e-mail | index | archive | help

Arun Sharma writes:
 > 
 > For Intel processors, CPUID instruction spits out both L1 and L2 cache
 > sizes. Perhaps, these things should be made a runtime option than a
 > compile time option ?

That sounds like a good idea.

Also, I imagine that it would be possible to write a function to
emperically determine the system cache size on non Intel CPUs where
such an instruction is not available.  Eg, Alpha processors don't
specify the amount of Bcache (secondary or tertiary) cache they have &
Tru64 sizes them on the fly.

Cheers,

Drew

------------------------------------------------------------------------------
Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
Duke University				Email: gallatin@cs.duke.edu
Department of Computer Science		Phone: (919) 660-6590




To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?14679.40851.766762.577274>