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Topic: Alpha processor


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In the News (Mon 28 Dec 09)

  
  DEC Alpha - Wikipedia, the free encyclopedia
The DEC Alpha, also known as the Alpha AXP, is a 64-bit RISC microprocessor originally developed and fabricated by Digital Equipment Corp. (DEC), which used it in its own line of workstations and servers.
Alpha was born out of an earlier RISC project named PRISM, itself the final product of several earlier projects.
Ironically, in mid-2003, as the Alpha was about to be phased out, the fastest and second fastest computers in the U.S. were both implemented using Alpha processors (in the case of the former, a cluster of 4096 Alpha processors).
en.wikipedia.org /wiki/DEC_Alpha   (1163 words)

  
 DEC Alpha
The DEC Alpha, also known as the Alpha AXP, is a 64-bit RISC microprocessor originally developed and fabricated by Digital Equipment Corp. (DEC), who used it in their own line of workstations and servers.
The Alpha instruction set architecture is somewhat of a evolutionary improvement from the MIPS architecture.
Ironically, in mid-2003, as the Alpha were about to be phased out, the fastest computer in the U.S, and second fastest in the world, was a cluster of 4096 Alpha processors.
www.brainyencyclopedia.com /encyclopedia/d/de/dec_alpha.html   (778 words)

  
 FLOTHERM Analysis Helps Cool The Fastest Chip In The World The 1GHz ALPHA Processor   (Site not responding. Last check: 2007-11-04)
Alpha Processor, Inc. (API), debuting the fastest processor in the world running at room temperature - the 1GHz Alpha 21264 processor - utilizes Flotherm thermal management software from Flomerics to analyse the cooling requirements of its record-breaking processor, which runs at nearly twice the speed of today's fastest Intel Xeon solution.
The new processor operates at room temperature without the aid of refrigerants, cooling pipes, etc., and is due for release in August 2000.
The 21264 processor is housed within API's Alpha Slot B packaging that dissipates a 100W of power, together with a PCB, and is cooled by three forced airflow axial fans.
www.flomerics.com /flotherm/news/news_details.jsp?newsId=53   (559 words)

  
 The AlphaLinux Homepage
I have just upgraded my two alpha machines from Woody (3.0) to Sarge (3.1) and all is well.
After a timeout and slow development of alpha core, me [Cristian Balint] and a new volunteer Sergey Tikhonov, finaly developed next release of alpha core 1.0 wich is equivalent with fedora-FC3 but with lots of alpha specific fixes.
2.6.10 the mainline kernel was broken for alpha, and we disable few things wich are unstable/unusable for alpha arch.
www.alphalinux.org   (431 words)

  
 DEC Alpha -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-04)
Alpha was born out of an earlier RISC project named (Optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image) PRISM, itself the final product of several earlier projects.
The 64-bit processor was a (Click link for more info and facts about superpipelined) superpipelined and (Click link for more info and facts about superscalar) superscalar design, like other RISC designs, but nevertheless outperformed them all and DEC touted it as the world's fastest processor.
Compaq announced that computers using Alpha would be phased out by 2004 in favour of (Click link for more info and facts about Intel) Intel's (Click link for more info and facts about Itanium) Itanium.
www.absoluteastronomy.com /encyclopedia/d/de/dec_alpha2.htm   (1227 words)

  
 Mac News: Hardware : HP's Alpha Processor Bidding Adieu
The Alpha line of processors was used primarily in high-performance settings that required faster processor speed than was available at the time of its debut more than 10 years ago.
However, the Alpha pushed speed at perhaps the wrong time, when the PC was emerging as the preferred platform for successful processors.
Alpha also is credited by some with the development of the high-speed interconnect technology known as HyperTransport, used in AMD's successful Opteron line of chips and the multithreading technology known as HyperThreading, used by Intel.
www.macnewsworld.com /story/35973.html   (693 words)

  
 Real World Technologies - Alpha EV8 (Part 1): Simultaneous Multi-Threat
The first two generations of Alpha processors, the 21064 and 21164 (also known as the EV4 and EV5) set new records for both clock rates and performance.
Although the processor core in the EV7 will differ little if any from the EV68, its performance will be significantly enhanced with the addition of a large on-chip L2 cache (1.75 MB), dual memory controllers supporting 8 Direct Rambus channels, and high bandwidth interprocessor communications interface integrated within the device.
Aside from a brand new processor core, the EV8 device will incorporate the large on-chip caches, memory controllers and interprocessor communication links of the EV7 and so in a conceptual sense at least, will be a drop-in replacement for the EV7.
www.realworldtech.com /page.cfm?ArticleID=RWT121300000000   (692 words)

  
 Alpha Processor expands from chips to Linux-based systems | CNET News.com
Alpha Processor, a company founded by Compaq Computer and Samsung to expand the market for high-performance Alpha chips, is rewriting its business model.
Compaq and Samsung expected Alpha Processor to expand the market for the chip, an effort that has met with only modest success.
Alpha Processor's machines will be designed for heavier-duty jobs than Network Appliance's, Talbot said, adding that Alpha Processor wrote the extra software that shares the load across the collection of computers.
news.com.com /2100-1001-240918.html?legacy=cnet   (985 words)

  
 Encyclopedia: DEC Alpha   (Site not responding. Last check: 2007-11-04)
Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public.
Sun UltraSPARC II Microprocessor SPARC (Scalable Processor ARChitecture) is a pure big-endian RISC microprocessor architecture originally designed in 1985 by Sun Microsystems.
In computing, IA-64 (Intel Architecture-64) is a 64-bit processor architecture developed in cooperation by Intel and Hewlett-Packard, implemented by processors such as Itanium and Itanium 2.
www.nationmaster.com /encyclopedia/DEC-Alpha   (2165 words)

  
 Alpha Technologies. UPS backup power products, equipment, and batteries.   (Site not responding. Last check: 2007-11-04)
Alpha Technologies is a world leading developer of broadband, data communication, AC UPS, commercial, and industrial powering systems.
Alpha's power systems ensure the reliability of both voice and data wireless networks providing critical power conditioning and protection from sags, surges, spikes and other power anomalies common to unprotected utility power.
Applying nearly 30 years of experience developing power solutions for extreme environments, our new line of PV products herald a new era in reliability and flexibility as we harness the power of the sun.
www.alpha.com   (327 words)

  
 Alpha chip update -- it ain't dead yet | Tech News on ZDNet
As a 64-bit chip, Alpha can process greater amounts of data per clock cycle than desktop chips from AMD and Intel, which are of 32-bit designs.
Compaq, which owns Alpha and stewards its development, announced earlier this month that the chip will be at the heart of a new high-end Unix server, known as Wildfire, or the AlphaServer GS series.
API also sells two Alpha products known as the UP1000 and UP2000, which are sold through the reseller channel and also used by some system vendors to build Alpha-based servers and other computers.
news.zdnet.com /2100-9595_22-521056.html?legacy=zdnn   (1149 words)

  
 Performance Tips for Alpha Linux C Programmers
On Alpha, Linux programmers are lucky because there are two C compilers: the GNU (EGCS) C compiler that came with your Linux distribution and the Compaq C compiler.
The processor must get the load data from two different internal sources: the store queue, which temporarily holds data to be written to memory, and the data cache.
Alpha favors programs with data structures that are aligned on long word (4 bytes) or quadword (8 bytes) address boundaries.
opensource.compaq.com /the_source/technical_papers/pauls-tips.htm   (10688 words)

  
 Backing Alpha bet (InfoWorld)
Aficionados of the Alpha processor will be happy to know that Compaq is backing its claims that it will continue to support the RISC chips with several new products based on forthcoming versions of the chip.
The principal improvement in the servers is their use of the new processor, which utilizes.35-micron technology, thereby increasing the servers' speed.
Alpha enthusiasts can expect a bonanza in January 1999, when Compaq will release the dual-processor Alpha Server DS20, as well as the long-awaited XP1000 workstation, formerly code-named Monet, according to Compaq representatives.
www.infoworld.com /cgi-bin/displayArchive.pl?/98/41/t04-41.1.htm   (768 words)

  
 Alpha: The History in Facts and Comments   (Site not responding. Last check: 2007-11-04)
Alpha architecture was a "real" RISC, in contrary to modern processors of the x86 architecture, which are RISC only inside.
The processor and only was able to perform read/write operations with B-cache, the system logic was just granted a permission to read B-tag data (that was of the top importance for multi-processor systems especially, to maintain cache coherence of all processors available within a machine).
Although 21264 (EV6) processor was developed by DEC, and was mentioned first at Microprocessor Forum in October of 1996, the final silicon implementation was done by February of 1998, when DEC was in process of liquidation.
www.alasir.com /alpha/alpha_history.html   (10263 words)

  
 Swan Song For The Alpha Processor > Swan Song For The Alpha Processor > October 23, 2003   (Site not responding. Last check: 2007-11-04)
Shannon noted the Alpha didn't have a full-blown OS when it was announced and it wasn't until VMS was ported over from Digital's VAX family several months later that the 64-bit processor got its first major OS.
Alpha Processor, a joint venture of Compaq and Samsung was discontinued several months ago.
When the Alpha was announced Digital promised to keep the machine in the technology forefront maintaining twice the speed of competing processors.
www.techweb.com /wire/story/TWB20031023S0014   (1008 words)

  
 Alpha - a Whatis.com definition   (Site not responding. Last check: 2007-11-04)
Alpha is both a microprocessor and the name of a computer system from the Digital Equipment Corporation (DEC), which is now part of Compaq.
The Alpha processor uses a newer and more advanced architecture than DEC's flagship computer line, the VAX.
The Alpha is based on reduced instruction set computer (reduced instruction set computing) architecture and handles 64 bits at a time.
whatis.techtarget.com /definition/0,,sid9_gci211917,00.html   (214 words)

  
 ALPHA processors - roadmaps
Presentation of Kathryn Wilcox and Srilatha Manne from Alpha Development Group (Compaq Computer Corp.) was named “Alpha Processors: A History of Power Issues and A Look to the Future”.
New Alpha processor should be in the end of 2000 or in the beginning of 2001.
Of course the DC-LUG mark Alpha processor as good base for Linux operating system.
www.alphaprocessors.com /roadmaps.htm   (274 words)

  
 Microprocessor Report: EV7 stresses memory bandwidth: penultimate Alpha processor ships.@ HighBeam Research   (Site not responding. Last check: 2007-11-04)
The original Alpha architecture was conceived in 1988 and was intended to last 25 years.
We are only 15 years into that timeline, and the Alpha processor should be in its prime.
Unfortunately, the economics of developing processors for big-iron applications, combined with the advent of the Intel Itanium processor, have conspired to cut short its lifespan.
www.highbeam.com /library/doc0.asp?DOCID=1G1:101174053&refid=holomed_1   (215 words)

  
 Alpha pushes processor to a cool 1 GHz | CNET News.com
NEW YORK--Although widespread acceptance continues to elude the Alpha processor, companies backing the platform broke through two major speed landmarks today and rolled out an architectural change that should reduce the cost for adopting Alpha.
and Samsung, two of the chief proponents of Alpha, demonstrated a computer system running an Alpha processor clocked at 1 GHz (1,000 megahertz) at PC Expo here today that did not require special cryogenic equipment to keep it from overheating.
Compaq, which inherited the Alpha design team when it acquired Digital in 1998, is one of the major users of the chip.
news.com.com /2100-1001-227510.html?legacy=cnet&owv   (975 words)

  
 Alpha NT News, October 1998   (Site not responding. Last check: 2007-11-04)
Compaq's Alpha road map includes not only the use of the processor in its Tandem supercomputers, which Compaq recently announced, but also the graduated release through 1999 of the full Digital Alpha Server line, powered by the latest Alpha EV6 processor and its follow-ons.
Compaq's new Alpha processor, also referred to as EV7, will be coupled with a chip set that enables up to 12.8GB-per-second peak data throughput, compared with about 2GB per seconds peak on today's Alpha, said Jesse Lipcon, senior vice president of the high-performance server division at Compaq's Maynard, Mass., office."
But that’s not enough, says a group of Alpha developers, who prepared an open letter to Microsoft Corp. to pressure the software giant to provide Alpha software products that are equivalent to their Intel counterparts.
www.alphant.com /news/news9810.html   (2438 words)

  
 End of the line for HP's Alpha: ZDNet Australia: News: Hardware
The Alpha EV7z, which runs at 1.3GHz, is the last Alpha chip on HP's road map, an HP spokesman confirmed.
Alpha was also the first chip to reach a clock speed of 1GHz under ordinary conditions, back in 1999.
Compaq acquired Alpha in 1998 when it bought Digital, and HP became the owner when it bought Compaq.
www.zdnet.com.au /news/hardware/0,2000061702,39156753,00.htm   (803 words)

  
 X-bit labs - Articles - Server Platforms Today (page 17)   (Site not responding. Last check: 2007-11-04)
It was more complex here: when Compaq bought Digital, the then-existing Alpha platform was already somewhat obsolete and the development of the new generation was far behind the schedule (partially because of personnel problems as many developers of the first processor generations had quit the company).
The processor supports from 1MB to 16MB of an external L2 cache (I mean CPUs of the EV68CB/EV68DC series or Alpha 21264C) and tags of the L2 cache are stored in the processor core for faster processing.
Particularly, the Alpha processor bus, also known as EV6, was licensed by AMD and employed in the Athlon MP CPU.
www.xbitlabs.com /articles/cpu/display/server-systems_17.html   (1064 words)

  
 Alpha was first to power 64-bit PC desktops
The Alpha powered Windows NT workstations and desktop machines for quite a few years, and of course was supported by Microsoft until Compaq – as was – pulled the plug on the project.
Compaq was concerned about the fact it had never made a single penny on the Alpha microprocessor, whether in its hands, or in the fair hands of the firm that developed it, DEC.
The soon to be late and lamented Alpha was indeed ahead of its time but that didn't stop it being, er, stopped.
www.theinquirer.net /?article=10556   (286 words)

  
 Computer Dealer News: Alpha primed for emerging CPU markets - Compaq, Samsung, Alpha Processor - Company Business and ...   (Site not responding. Last check: 2007-11-04)
Compaq, Samsung and API axe tweaking the Alpha chip for new markets that may include Linux and intelligent appliances.
The momentum behind Alpha technologies kicked into high gear towards the end of last year when the three companies announced a combined US$500 million investment designed to advance the processing technology.
The U.S. Federal Trade Commission recently released a statement regarding a two-year-old arrangement whereby Digital (the former owner of Alpha, which has since been bought by Compaq) would be required to license Alpha out to other companies like IBM.
www.findarticles.com /p/articles/mi_m3563/is_4_16/ai_60904727   (698 words)

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