Re: gotta love those Ultra's

Alexander Kjeldaas (astor@guardian.no)
Mon, 30 Mar 1998 20:21:03 +0200

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On Sun, Mar 29, 1998 at 11:13:30PM -0800, David S. Miller wrote:
>
> ? ./bw_tcp localhost
> Move 10 MB
> Move 387 MB
> Move 387 MB
> Move 387 MB
> Socket bandwidth using localhost: 61.13 MB/sec
> ? ./bw_pipe
> Pipe bandwidth: 65.72 MB/sec
> ? uname -a
> Linux pierdol.cobaltmicro.com 2.1.91 #8 Sun Mar 29 22:03:54 PST 1998 sparc64 unknown
> ?
>
> If the L2 cache is warmed just right, I can hit 77MB/s over TCP, but
> the ~61MB/s rate is more consistantly obtained. Wish I had more than
> 512k L2 on this puppy...

nice. I get maximum 64MB/sec here on a pII300 when tweaking the
checksum code somewhat.

astor

-- Alexander Kjeldaas, Guardian Networks AS, Trondheim, Norway http://www.guardian.no/

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