"The 64-bit Tipping Point Optimizing Performance, Flexibility, and Value with Intel® Itanium® Architecture and Intel® Extended Memory 64 Technology (Intel® EM64T)," Intel (Abstract)

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With the launch of the new Intel Xeon™ processor with Intel Extended Memory 64 Technology (Intel EM64T), the industry is poised for a large-scale migration to 64-bit computing. Intel EM64T delivers dramatic benefits for some applications, while others are better suited for 32-bit computing, and still others for the more robust 64-bit capabilities of Intel Itanium architecture. With leading support for all three options, Intel processor-based platforms offer unparalleled flexibility for optimizing capacity, performance, and business value across the full range of enterprise and technical computing environments.

For more than a decade, 64-bit architectures have played an important role at the high-end of enterprise and technical computing. Intel Itanium architecture shifted the market dynamics in that space, lowering the cost of entry and challenging high-end RISC-based systems in scalability, capacity, performance, and RAS (reliability, availability, serviceability). The new Intel Xeon processor with Intel Extended Memory Technology (Intel EM64T) will trigger a broader shift toward 64-bit solutions. Servers and workstations based on this new processor offer reliable and exceptionally cost effective 64-bit support, while simultaneously providing leading performance for existing 32-bit applications. They deliver a valuable addition to the high-end capabilities of Itanium architecture, and will help reduce 64-bit migration costs for a wide variety of general-purpose enterprise and technical applications. The move toward 64-bit computing for mainstream applications, will initially focus on applications that are already constrained by 32-bit memory limitations. The challenge for IT organizations is to determine the best architecture for specific solutions, while taking into account total cost and value within the broader IT and business environments. Itanium architecture remains the platform of choice for the most demanding, business-critical data tier applications, such as high-end database and business intelligence solutions. Platforms based on the Intel Xeon processor with Intel EM64T are preferable for general purpose applications, such as Web and mail infrastructure, digital content creation, mechanical computer aided design, and electronic design automation; and for mixed environments in which optimized 32-bit performance remains critical. For some mid-tier enterprise applications, the best choice may not be obvious, and will require a close look at software availability, business drivers, and workloads.

This paper explores the increasing

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ance of 64-bit capable platforms, and offers guidelines for planning a cost-effective transition. It also discusses the

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ance of platform and software synergy, and describes Intel's industry-wide efforts to assist software developers in tuning their software for best performance on Intel architecture. These efforts will be increasingly important as Intel EM64T and future architectural innovations (such as multi-core processors) become prominent in the marketplace, providing IT organizations with additional options for increasing the business value of their IT investments.

- "The 64-bit Tipping Point Optimizing Performance, Flexibility, and Value with Intel® Itanium® Architecture and Intel® Extended Memory 64 Technology (Intel® EM64T)," Intel http://www.intel.com, September 2004

File URL here (PDF) http://www.intel.com/business/bss/products/server/64-bit_tipping_point.pdf

Post Date: March 22, 2005 at 1:15 PM CST; 1915 GMT