[EMAIL PROTECTED] wrote:
> 
> In a message dated 06/24/2001 2:53:32 PM Eastern Daylight Time,
> [EMAIL PROTECTED] writes:
> 
> > And btw, hardware beats software anytime. The fastest PC processor right
> >  now is about the same speed as the slowest hardware.
> 
> what are the numbers? Are you accounting for the overhead in accessing the
> hardware? the impact of the stop-and-wait requirements for hardware
> processing? What about bus availability in a heavily utilized router? You are
> going to double the bus requirement.

I'm not claiming any specific numbers, just that the chip I'm using, the
lowest end hi/fn 7951, is said to be faster than your typical highend
>1Ghz CPU doing 3-DES. 
 
> Most people take a rather trivial approach to such evaluations, and i suppose
> im concerned about anyone who thinks that hardware is "always faster" than
> software, because that argument is blatently wrong. a 33Mhz ASIC will not
> always be faster than the host, particularly with transfer and setup
> requirements. It has to be 3-5 times faster than the host just to break even.

I'm only talking about this specific case of doing computing intensive
encryption.... As a hardware designer, I'm very well aware of all the
different bottlenecks.


Regards,


Soren

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