Re: HEADS UP: zerocopy bpf commits impending

From: Robert Watson <rwatson_at_FreeBSD.org>
Date: Wed, 23 Apr 2008 11:05:25 +0100 (BST)
On Wed, 23 Apr 2008, Darren Reed wrote:

> Out of curiosity, were those numbers for single cpu/core systems or systems 
> with more than one cpu/core active/available?
>
> I know the testing I did was all single threaded, so moving time from kernel 
> to user couldn't be expected to make a large overall difference in a non-SMP 
> kernel (NetBSD-something at the time.)

I believe all multi-core.

BTW, if you are set up to do performance measurement on BPF, we'd really love 
to see further feedback relating to successful or unsuccessful measurement.

Robert N M Watson
Computer Laboratory
University of Cambridge
Received on Wed Apr 23 2008 - 08:05:26 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:30 UTC