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Technology Stocks : Intel Corporation (INTC)
INTC 36.78+2.7%Nov 26 3:59 PM EST
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To: Joseph Pareti who wrote (174263)4/27/2003 11:47:12 AM
From: Dan3  Read Replies (1) of 186894
 
Re: - how solid are the M$FT plans to support OPTERON?

Here's Microsoft's Performance and Scalability page on Exchange Server.
microsoft.com.

Givn that page, I'd say Microsoft is telling their customers that Opteron is a good choice for Enterprise servers.

Re: - apparently there is a performance benefit in running 32 bit apps on top of Win64 vs Win32. Wouldn't the same benefit apply when running 32bit apps on Win64 on Itanium ?

I think that's the way they've always been run on Itanium.

Re: - the db2 "2 days port" might be misleading in that even if a 32 bit legacy app does run, to produce the 64 bit app generally takes more than just recompiling :-)
and
- the vaunted "seamless migration" to 64bit

Apps that undergo a simple port to 64-bits don't get much of a performance boost, but they generally run a little faster after even a minimum port. Optimizing for AMD64 is supposed to/expected to/has in some cases (take your pick) resulted in 30% gains over the performance of the 32-bit version. Keep in mind that, running 32-bit code that has had no optimizations of any kind for Opteron, Opteron is faster than the fastest Xeon and Itanium on a wide variety of a applications, particularly enterprise applications. There have been so few benchmarks released for Itanium (possibly because there are so few Itaniums to benchmark) that it's hard to say how Itanium really performs as a general purpose server processor. When will Intel feel Itanium is ready to have samples sent out to Ace's Hardware, AnandTech, etc. for anything approaching an impartial review?
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