Scyld slave node configuration question
becker at scyld.com
Sat Nov 18 15:59:02 PST 2000
On Sat, 18 Nov 2000, Ken wrote:
> Daniel Ridge wrote:
> > There is no easy way to use ISA NICs at this time with our product. Our
> > forecasting department doesn't really show ISA rallying a big comeback
> > either...
Dan failed to mention the huge overhead of using ISA NICs. Running a 10Mbps
ISA NIC at wire speed takes about 1/3 of the CPU time, independent of the
CPU clock rate. A $10 10/100 PCI NIC takes far less CPU time.
> Would something like Firewire or USB2 be usable for clustering or is
> there some inherent problem?
They are only good for point-to-point links. Firewire has some potential,
but there are no Firewire switches.
Donald Becker becker at scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
Annapolis MD 21403 410-990-9993
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