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Subject: Re: Cray and supercomputers (kinda long)

Author: Robert Hyatt

Date: 13:38:51 09/20/05

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On September 20, 2005 at 15:34:42, Joshua Shriver wrote:

>Thanks for the read, it was interesting.
>
>-Josh


And a bit misleading.  Vendors don't push one interconnect over another, just
because they "make more money".  They make more money on the more expensive
interconnects.  The old cLAN switch we have (8 ports) cost over $16,000 for the
switch alone, plus another $1K+ per PCI card to connect.  Dell had cLAN,
myrinet, gigabit, and 100mbit options.  Pay your money and take your chances.

Myrinet is the favorite today due only to the cost to the end-user, if they can
afford that over gigabit ethernet which is the least expensive option around,
and the worst latency.

Price is dictated by the end-user's pocketbook, not by what the vendor wants to
sell.  Don't believe anything else.



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