Sandy Harris wrote:
> I suspect latency may become an issue when more than one link is
> involved and there can be contention.
According to the AMD talk at OLS, worst case on a 4-way is better than current
best-case on a uniprocessor athlon.
> Beyond 8-way, you need glue logic (hypertransport switches?) and
> latency seems bound to become an issue.
Nope. Just extend the ladder. Each cpu talks to three other entities, either
cpu or I/O. Can be extended arbitrarily until latencies are too high.
Chris
-- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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