Re: NetBSD/sparc64 and GbE performance

[Matthias Scheler <tron%zhadum.org.uk@localhost>]

On Sat, May 07, 2011 at 08:45:34AM -0700, John Nemeth wrote:
> } what performance do people get with GbE cards in NetBSD/sparc64 systems?
> } I get about 200Mb/s with the wm(4) card in my ULTRA60. If I remember
> } correctly Solaris 10 achieved twice the throughput with a cas(4) card.
> } But I seriously doubt that the cas(4) hardware is faster or even as
> } fast as a wm(4) card.
> 
>      Why?  Have you ever read the specs of cas(4)?

No, but I used machines with those cards in the past and I remember
various problems.

> It's a rather impressive chip.

Is it?

Cassini:
http://ecx.images-amazon.com/images/I/51ULkpSVPTL.jpg

Intel PRO 1000 MT:
http://www.buyserverparts.com/item_images/thumb/pro-1000.jpg

I'm sorry but not impressed by the bulk of that thing. And it doesn't
even support things like IP header checksum offload.

        Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/