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Itanium is the brand name for 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64). Intel has released two processor families using the brand: the original Itanium and the Itanium 2. Starting November 1, 2007, new members of the second family are again called Itanium. The processors are marketed for use in enterprise servers and high-performance computing systems. The architecture originated at Hewlett-Packard (HP), and was later jointly developed by HP and Intel.

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Wikipedia About Itanium

Itanium is the brand name for 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64). Intel has released two processor families using the brand: the original Itanium and the Itanium 2. Starting November 1, 2007, new members of the second family are again called Itanium. The processors are marketed for use in enterprise servers and high-performance computing systems. The architecture originated at Hewlett-Packard (HP), and was later jointly developed by HP and Intel.

Itanium's architecture differs dramatically from the x86-64 architectures used in other Intel processors. The Itanium architecture is based on explicit instruction-level parallelism, in which the compiler makes the decisions about which instructions to execute in parallel. By contrast, other superscalar architectures depend on elaborate processor circuitry to keep track of instruction dependencies during runtime. This alternative approach helps current Itanium processors execute up to six instructions per clock cycle.

After a protracted development process marked by many delays, the first Itanium processor, codenamed Merced, was released in 2001, and more powerful Itanium processors have been released periodically. HP produces most Itanium-based systems, but several other manufacturers also developed systems based on Itanium. , Itanium is the fourth-most deployed microprocessor architecture for enterprise-class systems, behind x86-64, IBM POWER, and SPARC. Intel released its newest Itanium, codenamed Montvale, in November 2007, Intel announced plans to release a quad-core Itanium processor (code-named Tukwila) to server OEMs in late 2008, and subsequently announced a delay until mid 2009, more than two years later than Intel's initial projection.

Journalist John C. Dvorak, commenting in 2009 on the history of the Itanium processor, said "This continues to be one of the great fiascos of the last 50 years." Tech columnist Ashlee Vance commented that the delays and underperformance "turned the product into a joke in the chip industry."

Development: 1989–2001

In 1989, HP determined that reduced instruction set computer (RISC) architectures were approaching a processing limit at one instruction per cycle. HP researchers investigated a new architecture, later named explicitly parallel instruction computing (EPIC), that allows the processor to execute multiple instructions in each clock cycle. EPIC implements a form of very long instruction word (VLIW) architecture, in which a single instruction word contains multiple instructions. With EPIC, the compiler determines in advance which instructions can be executed at the same time, so the microprocessor simply executes the instructions and does not need elaborate mechanisms to determine which instructions to execute in parallel. The goal of this approach is two-fold: first, to enable deeper inspection of the code to identify additional opportunities for parallel execution; and, second, to simplify processor design and reduce energy consumption by eliminating the need for runtime scheduling circuitry.

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News about Itanium

AMD demonstrates six-core processor in China

China DailyAMD celebrated the 6th anniversary of its Opteron Processor and its successful partnership with Shanda Games in the 3D MMOPRG AION last week in Beijing.http://www.chinadaily.com.cn/china/2009-05/14/content_777813...

Intel just can't lose

TG DailyOpinion - Chip giant Intel has swept all before it by a combination of aggression, execution and sometimes bullying, and it's hard to see the Santa Clara gravy train ever hitting the buffers.http://www.tgdaily.com/content/view/42431/119/

Intel, Oracle Stand Tall in Changing Landscape

ServerWatchVirtually Speaking: As venerable stalwarts, like SGI and Borland, and young companies, like Virtual Iron, are going extinct, some of the big guns are evolving and holding the line.http://redir.internet.com/rss/click/www.serverwatch.com/virt...

Intel Chief Outline Plans for Growth

InternetNews.comUPDATED: Seeking an opportunity in chaos, Intel's CEO sees opportunities in new and expanding markets.http://redir.internet.com/rss/click/www.internetnews.com/har...

Opinion: Gates was visionary with .NET and Windows Azure

Geek.comAn article by John Stokes on Ars Technica this morning caught my eye, and has since sent me on a mission to write this article. Stokes talks about the rumors that Microsoft may be working on an ARM port of its Windows 7 operating system. Stokes goes through a list of reasons why such an [...]http://www.geek.com/articles/microsoft/opinion-gates-was-a-v...

News about Itanium

Vista SP3 Gets First Hotfix

SoftpediaBut when it comes down to actually downloading the fix, the software giant offers it for the 32-bit, 64-bit and Itanium flavors of Windows Vista SP3. It is highly improbable that at this point in time Microsoft has debuted testing of Vista SP3 bits ... http://news.softpedia.com/news/Vista-SP3-Gets-First-Hotfix-1...

Sybase Updates Replication Server with Eye Toward Performance

eWeekSybase Replication Server, with over 2,500 customers, has long been one of the industry’s most mature and robust products in its space.” Sybase Replication Server is currently available for HP-UX Itanium, HP-UX PA-RISC, IBM-AIX, Linux on Power ... http://www.eweek.com/c/a/Database/Sybase-Updates-Replication...

Internet Explorer

Softpedia ... Internet Explorer 8 Compatibility View List for Windows Server 2008 R2 Release Candidate R2 Release Candidate x64 Edition (KB969497) - Update for Internet Explorer 8 Compatibility View List for Windows Server 2008 R2 Release Candidate for Itanium ... http://news.softpedia.com/news/Internet-Explorer-8-Compatibi...

Intel Chief Outline Plans for Growth

InternetNews.comThe server business also represents a sizable market for Intel, with high performance computing (HPC) accounting for 25 percent of Intel's total server business sales, and 50 percent of mission critical systems are running Itanium. Also, cloud ... http://www.internetnews.com/bus-news/print.php/3820006

Intel CEO Otellini Gives Optimistic Outlook

eWeekIn the high end of the server business, Otellini said sales of Intel’s Itanium chip should continue to grow, particularly as questions arise over the future of Sun Microsystems’ SPARC technology after Oracle buys that company. Overall, the ... http://www.eweek.com/c/a/Desktops-and-Notebooks/Intel-CEO-Ot...

Search results for Itanium

Intel® Itanium® Processor 9000 Sequence

Intel ® Itanium ® Processor 9000 Sequence Mission-Critical Servers and RISC Replacement : We have simplified our processor brands. Documentation for the Intel® Itanium ... http://www.intel.com/products/server/processors/server/itani...

Microsoft Computing on Itanium

This page describes Microsoft computing on the Intel Itanium architecture. ... Systems based on Intel’s Itanium Architecture. Intel’s Itanium architecture provides the most ... http://www.microsoft.com/servers/64bit/itanium/overview.mspx

Itanium Lite - Itanium2lite.com

An Integrated Computer Circuit Design (IC 2 D) Lab Series . Welcome to Itanium Lite! Over the next few months and ten (10) labs you will build a 64-bit EPIC CPU modeled on the ... http://itanium2lite.com

Itanium Bulletin

Announcing Target Workloads for Windows Server 2008 for Itanium-Based Systemshttp://www.microsoft.com/windowsserver/bulletins/longhorn/it...

Intel® Itanium® Processor Manuals

Intel® Itanium® Processor Manuals Navigation Page ... The Intel® Itanium® and Itanium 2 processors are based on the Intel Itanium architecture.http://www.intel.com/design/itanium/manuals.htm

Wikipedia results for Itanium

Itanium - Wikipedia, the free encyclopedia

Itanium is the brand name for 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64). Intel has released two processor families using ... http://en.wikipedia.org/wiki/Itanium

List of Intel Itanium microprocessors - Wikipedia, the free ...

The Itanium microprocessor from Intel is a CPU targeted at high end servers and supercomputers.http://en.wikipedia.org/wiki/List_of_Intel_Itanium_microproc...

Montecito (processor) - Wikipedia, the free encyclopedia

Montecito is the code-name of a major release of Intel 's Itanium 2 Processor Family (IPF), which implements the Intel Itanium architecture on a dual-core processor.http://en.wikipedia.org/wiki/Montecito_(processor)

List of Intel CPU microarchitectures - Wikipedia, the free ...

Tukwila microarchitecture-- Future Itanium microarchitecture adding integrated memory controllers, quad core support, and other improvements. Poulson-- Future Itanium processor said ... http://en.wikipedia.org/wiki/List_of_Intel_CPU_microarchitec...

List of Intel microprocessors - Wikipedia, the free encyclopedia

This generational and chronological list of Intel microprocessors attempts to present all of Intel 's processors from the pioneering 4-bit 4004 (1971) to the present high-end ... http://en.wikipedia.org/wiki/List_of_Intel_microprocessors
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Videos found for Itanium

Itanium Solutions Alliance Executiv...

Itanium Solutions Alliance Executive Video: SGIDave Parry, Sr. VP of Server Products & Operations at SGI, discusses the Itanium Solutions Alliance and the benefits for SGI and its customersQuickTime - Video

CNET.com: Otellini: Itanium on trac...

CNET.com: Otellini: Itanium on trackIntel CEO hypes new dual-core chipsetFlash - Video

Itanium Processor 9100 series - Int...

Itanium Processor 9100 series - Intel Chip Chat - Episode 21Kirk Skaugen highlights innovative new features integrated into the Intel Itanium Processor 9100 series. Related Stories: Intel, IntelMooresLaw, IDF Tags: Kirk Skaugen, Intel,...MP3 - Video

NEC Itanium 2 Server Consolidation ...

NEC Itanium 2 Server Consolidation and Performance DemoWe took SQL Server 2005 on 4 HP DL380s and moved their workload via failover to one NEC 8-processor Itanium2 server running the 64-bit version of SQL Server 2005. Not only does it...Flash - Video

Itanium Solutions Alliance - Innova...

Itanium Solutions Alliance - Innovation Awards 2008Innovation Awards 2008 presented at the San Francisco Museum of Modern Art.QuickTime - Video

Answers for Itanium

Ruben GWhat is the difference between Intel Itanium and Xeon processors? Which one is better? Newer?Ruben Gamani_misswhat is the cache organzation for Intel® Itanium® 2 processoramani_missBoyHow fast is a Itanium processor compared to a Core Duo 2?BoyItanium is now SLOW. There is no dual core Itanium. It is Xeon that is fast and also now uses Core2 Duo technology. Simple multi-tasking benefits from a dual core. Multi-threaded applications includi...AnalystWhat is the difference between Itanium, Xeon, xa64 and core II Due processors?Analysteverything technology all the way thru to spellingNONAMEIs itanium processors made only for servers or for desktop ?NONAMEit's only used for servers because it is a pretty expensive architecture. also Itanium it no more the latest technology as many servers nowadays use mainboards with dual CPU's (not to confuse with dua...
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