Subject: Re: Port benchmarks
To: Hal Murray <murray@pa.dec.com>
From: Simon Burge <simonb@netbsd.org>
List: port-alpha
Date: 04/01/2000 10:13:43
Hal Murray wrote:
>
> > The '*Local* Communication bandwidths' numbers don't looks rigth compared
> > to Simon's results for a ds20/OSF1. I can't believe NetBSD is that bad :)
>
> The EV6 can have 2 memory operations in progress at the same time.
> The performance gain is dramatic when you can take advantage of that.
>
> Are the local communication numbers testing the compiler or bcopy
> and friends? Have either been tuned to know about EV6?
Lmbench doesn't appear to use any host-specific tuning options. It
looks like lmbench uses gcc if it's in your path - I honestly can't
remember if said machine had gcc or not (I don't have access to the DS20
anymore)...
Simon.