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Technology Stocks : Silicon Graphics, Inc. (SGI)

SGI 86.00

-2.7%

Nov 17 3:59 PM EST

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To: Greg Jung who wrote (4793)	4/28/1998 9:07:00 PM
From: Jojo Mosko	Read Replies (1) of 14451

Greg, I think you missed Alexis' main point: Alpha is a great CPU, no one is denying this. However Alpha systems are way unbalanced. People don't buy CPUs, they buy systems. For general application performance you need more than a fast CPU: you need a fast memory subsystem, fast I/O, fast networking, and above all a good OS (especially in multiprocessor configs) when you look at the full system, the SGI Origin beats Alpha based systems by a factor of about 2:1. For example: on a popular application like web serving (which uses, I/O, network etc.) A 4-CPU DEC Alpha server model 4100 5/466 gets 2304 ops/sec (DEC's best result ever) while A 4-CPU Origin 2000 with "slower" 250 MHz processors achieves 4501 ops/sec [source: www.spec.org] Not to mention the fact that DEC doesn't publish SPECWeb results on more than 4-CPUs since they probably don't scale-up very well (the Origin's 8-CPU number is above 7200 ops/sec)

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