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To: Petz who wrote (62677)	11/7/2001 5:03:01 PM
From: wanna_bmw	Read Replies (2) \| Respond to of 275872

Petz, Re: "Is there any particular reason why you feel that SMP Itaniums interfaced to SDRAM will somehow escape memory bottlenecks better than a Athlon MP's interfaced to DDR?" Yes, because Itanium systems with SDRAM are interleaved to achieve bandwidths of up to 4.2GB/s, or twice that of PC2100 DDR. McKinley brings bandwidth to the table in excess of 6.4GB/s per 4 processor node. The Athlon MP is slow by comparison. wanna_bmw

To: Petz who wrote (62677)	11/7/2001 6:14:00 PM
From: Tenchusatsu	Respond to of 275872

Petz, <Is there any particular reason why you feel that SMP Itaniums interfaced to SDRAM will somehow escape memory bottlenecks better than a Athlon MP's interfaced to DDR?> Apples and oranges. 460GX interleaves multiple SDRAM channels. It's expensive, but so is being able to support up to 64GB of memory. When there is an Athlon MP platform that supports 4-way SMP, 64GB of memory, and a five-digit price tag, then we can draw some real comparisons. Tenchusatsu

To: Petz who wrote (62677)	11/7/2001 11:12:13 PM
From: Paul Engel	Respond to of 275872

Re: "Building a 1000 CPU server using McKinley is like making a tower out of gold bricks. Many more towers will be built out of stone bricks. The power consumption of the McKinley and the Itanium will prevent any servers with 1000 gold bricks from ever being built." No kidding? Maybe you can tell these folks who are going to use 3,300 (that's THREE THOUSAND THREE HUNDRED) ITanium and McKinley CPUs in the TeraGrid network server. August 09, 2001 02:08 PM Intel's Itanium to run research computing system By Douglas F. Gray INTEL'S ITANIUM AND McKinley processors will be used in a distributed scientific computing system allowing researchers to analyze, simulate, and help solve complex scientific problems, Intel announced Thursday. The TeraGrid computing system will link more than 3,300 Itanium processors and will be capable of more than 13.6 trillion calculations per second, as well as having the ability to store, access, and share more than 450TB of information, the company said in a statement. The system, which is expected to be completed next year, will consist of clustered servers from IBM running the Linux operating system and will be connected by a high-speed optical network from Qwest Communications. TeraGrid is part of a $53 million award by the National Science Foundation to address complex scientific research, including molecular modeling for disease detection, cures and drug discovery, automobile crash simulations, research on alternative energy sources, and climate and atmospheric simulations for more accurate weather predictions, Intel officials said. The largest portion of the system's computing power will be at the National Center for Supercomputing Applications (NCSA) at the University of Illinois in Urbana-Champaign. The NCSA has three partners that also will participate in the project: the San Diego Supercomputer Center (SDSC) at the University of California, San Diego; the Argonne National Laboratory in suburban Chicago; and the California Institute of Technology in Pasadena, Calif.