Re: Benchmarking.. how can I get more out of my box?

[Brian Pomerantz]

On Wed, Mar 08, 2000 at 05:38:29PM -0800, Michael wrote:
> 
> Consider that the poor little controller chip on the raid card is 
> vastly underpowered for what you are asking it to do in raw IO speed 
> plus handling all the raid calculations. Compare that to the excess 
> number crunching capacity of your primary cpu + mmx processor (used 
> for raid parity calculations) and you might find software raid to be 
> a significant improvement if you can get the controller to just
> concentrate on delivering raw IO to the dma of your main machine.
> 

The "poor little controller" has a > 200MHz StrongArm in it.  Which
since all it does is calculates parity, it should be plenty for the
three channels it has on it.


BAPper