Subject: Re: Faster pipes, now with uvm_loan()
To: Frank van der Linden <fvdl@wasabisystems.com>
From: Jaromír <jdolecek@netbsd.org>
List: tech-kern
Date: 04/10/2001 14:41:42
Frank van der Linden wrote:
> On Mon, Apr 09, 2001 at 10:55:37PM +0200, Hubert Feyrer wrote:
> > How do we compare with the new code to other OSs?
> 
> See below. We're not quite up to FreeBSD 4.2 (which has approximately
> the same code), but close to Linux. For sizes <= 64k that is. I
> assume that has to do with the PIPE_SIZE and BIG_PIPE_SIZE values
> (BIG_PIPE_SIZE is 64k).
> 
> All measurements done using hbench-OS, on a P5-200 with 64M of
> memory. I attemped to keep kernel configurations similar, as
> far as possible.

Smaller is better, or bigger is better?

Jaromir
-- 
Jaromir Dolecek <jdolecek@NetBSD.org>      http://www.ics.muni.cz/~dolecek/
NetBSD - just plain best OS! -=<>=- Got spare MCA cards or docs? Hand me them!