Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 28 Sep 2001 14:47:24 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        "Louis A. Mamakos" <louie@TransSys.COM>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: timestamp offload [was Re: TCP&IP cksum offload on FreeBSD 4.2]
Message-ID:  <15284.50620.103948.237567@grasshopper.cs.duke.edu>
In-Reply-To: <200109281834.f8SIYdZ77174@whizzo.transsys.com>
References:  <200109270157.f8R1vZ546863@prism.flugsvamp.com> <3BB42E50.B32F5E95@mindspring.com> <15284.32914.874966.260722@grasshopper.cs.duke.edu> <200109281834.f8SIYdZ77174@whizzo.transsys.com>

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

Louis A. Mamakos writes:
 > 
 > Some work I did a year or so ago measured the interrupt response time
 > latency, and it was pretty impressive at how large and variable it
 > could be.  
 > 
 > louie

Yes.  Me too, but with a pamette, not a nic.

Have you read the pci pamette perf paper (Systems Performance Measurement
on PCI Pamette (1997), Laurent Moll & Mark Shand)?
http://citeseer.nj.nec.com/1690.html

If anybody cares, I have freebsd drivers for the pamette.

Drew


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?15284.50620.103948.237567>