Matt,
I'd recommend to performance evaluate the two systems with your
application before making a decision. Your requirements are such that
the choice is not entirely obvious.
--david
>>>>> On 10 Dec 2001 07:22:03 -0800, Matt Nelson <[EMAIL PROTECTED]> said:
Matt> Hi all, I'm shopping for a quad server for a heavy
Matt> number-crunching application. What I need is:
Matt> - good floating point performance - good memory bandwidth (we
Matt> need/want to move ~6GB around at ~200MB/s)
Matt> Although some sort of AlphaServer would probably be a good bet
Matt> for us, it looks like our budget can accommodate either a quad
Matt> Xeon or quad Itanium server (e.g. Dell 6450 or Dell 7150).
Matt> With that choice in mind, I would like to solicit input on
Matt> some questions:
Matt> - According to spec.org, the Itanium is just about tops in
Matt> floating point performance. Is that also supported by
Matt> real-world applications?
Matt> - How good is the memory throughput? For example, I know that
Matt> the 8-way Xeons are memory I/O dogs due to the system
Matt> architecture. Getting data to/from the CPU's is a real issue
Matt> for our application.
Matt> - 1st generation Intel chips always seems to come up short
Matt> compared to their hype. Does the Itanium suffer from any
Matt> inherent problems?
Matt> - Is Red Hat IA64 as stable as the i386 version? Is there any
Matt> reason to fear it being abandoned like the Sparc version?
Matt> Any input from the list would really help me make this
Matt> decision.
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