> -----Original Message-----
> From: Michael Ströder [mailto:[EMAIL PROTECTED]]
> Sent: 08 February 2001 13:07
> To: [EMAIL PROTECTED]
> Subject: Re: ENGINE_load_key
>
>
> Richard Levitte - VMS Whacker wrote:
> >
> > CDive> Even if the hardware is capable of symmetric
> operations, it is
> > CDive> probably to slow to go down to it to perform the operation.
> >
> > Depends. If it takes load away from the central CPU, it might be a
> > good thing from that point of view, by increasing over-all
> performance
> > even if the hardware acceleration isn't performing very well if it's
> > viewed as an isolated entity.
>
> But you have I/O then. The over-all system performance might be
> lower. Also I wonder if hardware crypto devices can handle several
> outstanding operations at the same time. If only single operation is
> allowed you would have to queue the operations to the device which
> is very likely not optimal (fragmentation due to locking).
>
> Disclaimer: I do not have much experience with hardware crypto
> devices.
>
Yes most do, as in any operating system you have got some idle time that can
be hidden by parallel processing.
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