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1. Amdahl's Law from FOLDOC
- wombat.doc.ic.ac.uk
- Amdahl's Law.
- <parallel> (Named after Gene Amdahl) If F is the fraction of a calculation that is sequential, and (1-F) is the fraction that can be parallelised, then the maximum speedup that can be achieved by using P processors is 1/(F+(1-F)/P). ...
- Gene Amdahl, "Validity of the Single Processor Approach to Achieving Large-Scale Computing Capabilities", AFIPS Conference Proceedings, (30), pp. ...
- Nearby terms: AMD 29027 « Amdahl « Amdahl Corporation « Amdahl's Law » AMD Am2901 » AMD Am2903 » AMD Am2910 .
2. Amdahl from FOLDOC
- foldoc.doc.ic.ac.uk
- Amdahl.
- <company> Amdahl Corporation. ...
- <person> Gene Amdahl. ...
- Nearby terms: AMD « AMD 29000 « AMD 29027 « Amdahl » Amdahl Corporation » Amdahl's Law » AMD Am2901 .
3. Amdahl Corp.
- www.businessweek.com
- Amdahl Corp.
- amdahl. ...
- The Amdahl portfolio includes hardware, software, tools, and operational and consulting services.
- Founder: Gene Amdahl and Michael Hallman.
- Valley Bytes: As part of a move to return to profitability, Amdahl is making a strategic transition from being just a hardware company into becoming a service company as well.
- Larry Ellison, co-founder of Oracle, worked at Amdahl before starting Oracle.
- , which already holds a majority stake in Amdahl, announced on July 30, 1997, that it will purchase all outstanding shares of Amdahl stock. ...
- Table: Serial Entrepreneurs; Gene Amdahl.
4. Estimating the Speedup: Amdahl's Law
- www.phy.duke.edu
- Next: Amdahl's Law Up: Parallel Programs Previous: Parallel Programs   Contents .
- Estimating the Speedup: Amdahl's Law .
- Amdahl's Law .
5. Amdahl's Law
- www.pa.uky.edu
- Amdahl's Law .
- Amdahl's Law expresses the speedup of parallel processing as a function of the number of processors N and the length of the portion of sequencial code used (from 0 to 1): Speed_Up = 1/(a + (1 - a)/N) .
6. Amdahl’s Law Examples
- uprhmate01.upr.clu.edu
7. Amdahl's Law
- www.scl.ameslab.gov
- Ames Laboratory, Department of Energy, ISU, Ames, Iowa Reevaluating Amdahl's Law.
- There is considerable skepticism regarding the viability of massive parallelism; the skepticism centers around Amdahl's law, an argument put forth by Gene Amdahl in 1967 1 that even when the fraction of serial work in a given problem is small, say s, the maximum speedup obtainable from even an infinite number of parallel processors is only 1/s. We now have timing results for a 1024-processor system that demonstrate that the assumptions underlying Amdahl's 1967 argument are inappropriate for the current approach to massive ensemble parallelism. ...
- If N is the number of processors, s is the amount of time spent (by a serial processor) on serial parts of a program and p is the amount of time spent (by a serial processor) on parts of the program that can be done in parallel, then Amdahl's law says that speedup is given by .
- How can this be, when Amdahl's argument would predict otherwise? .
- This reasoning gives an alternative to Amdahl's law suggested by E. ...
- It is thus much easier to achieve efficient parallel performance than is implied by Amdahl's paradigm. ...
- We feel that it is important for the computing research community to overcome the "mental block" against massive parallelism imposed by a misuse of Amdahl's speedup formula; speedup should be measured by scaling the problem to the number of processors, not fixing problem size. ...
- Amdahl, G. ...
8. Linux PR: Linuxcare to Provide Amdahl With Backline Support, Professional Services and Training
- linuxpr.com
- Linuxcare to Provide Amdahl With Backline Support, Professional Services and Training .
- Amdahl Secures Linuxcare Expertise for its Enterprise Linux Market Initiative .
- , a premier vendor of Linux technical services to the enterprise, today announced an agreement with Amdahl to deliver key services and support to Amdahl's enterprise Linux customers and technical staff. The announcement comes on the heels of Amdahl's announcement of global, mission-critical, enterprise support for Linux. ...
- Linuxcare's Technical Support Business Unit will provide backline support to top-level Amdahl customer-service engineers. Linuxcare's Professional Services Business Unit will provide a range of consulting services to Amdahl, and the Linuxcare University Business Unit will offer on-site training to Amdahl technical staff. ...
- "Amdahl customers are increasingly interested in applying the benefits of Linux and Open Source solutions to enterprise computing," said Jim Graham, Vice President and General Manager of Worldwide Product Support Services at Amdahl. ...
- We are well equipped to meet the demands of Amdahl's customers and look forward to working closely with Amdahl to further the advancement of Linux and Open Source solutions in the enterprise. ...
- Linux support is part of Amdahl's strategic focus to help its enterprise customers build their Internet infrastructure on Linux. Linuxcare helps Amdahl advance this mission by providing the deepest Linux expertise as well as breakthrough Web-based support and services. ...
- About Amdahl Corporation Amdahl Corporation, a wholly owned subsidiary of Fujitsu Limited, provides integrated computing solutions that meet the needs of many of the largest users of information technology in the world. Amdahl develops and deploys systems, services and support that meet the needs of the world's most compute-intensive organizations and environments. With more than 28 years of experience delivering large-scale computing and client/server technology, the Amdahl mission is to deliver innovative systems, services and support to lead customers to the most complete and powerful data centers of the 21st century. ...
- Amdahl is a registered trademark of Amdahl Corporation. ...
- Amdahl .
9. BIGpedia - Amdahl Corporation - Encyclopedia and Dictionary Online
- www.bigpedia.com
- Amdahl Corporation.
- (Redirected from Amdahl) .
- Amdahl Corporation was founded by Dr. Gene Amdahl, a former IBM employee, in 1970, and specializes in IBM mainframe-compatible computer products. ...
- Amdahl was a major supplier of large mainframe computers, and later of UNIX and Open systems software and servers, data storage subsystems, data communications products, application development software, and a variety of educational and consulting services. In the 1970s, when IBM had come to dominate the mainframe industry, Amdahl's plug-compatible and often more cost-effective machines gave "Big Blue" some of the little competition it had in that very high-margin computer market segment. Proverbially, during this time savvy IBM customers liked to have Amdahl coffee mugs visible in their offices when IBM salespeople came to visit. ...
- 1 Company origins 2 Market exit 3 Amdahl customer options 4 External links 5 See also .
- Amdahl Corp. launched its first product, the Amdahl 470 V6, in 1975, competing directly against IBM's high-end machines in the then-current System/370 family. (At IBM, Gene Amdahl had co-designed the groundbreaking 32-bit architecture, 24-bit addressing, System/360 line of computers. ... For the next quarter century Amdahl and IBM competed aggressively against one another in the high-end server market, with Amdahl grabbing as much as 24% marketshare. Amdahl owed some of its success to antitrust settlements between IBM and the U. ... Department of Justice which assured that Amdahl's customers could license IBM's mainframe software under reasonable terms. ...
- Always the entrepreneur, Gene Amdahl left the company he founded in 1980, moving on to start a couple of new technology companies. ...
- Amdahl Corporation enjoyed perhaps its best sales during IBM's transition to CMOS technology in the early to mid 1990s. At first IBM's new mainframe CMOS processors couldn't perform as well as spare-no-expense bipolar technology, giving Amdahl a temporary advantage. ... By the time IBM introduced its breakthrough 64-bit zSeries 900 in 2000, it was all over for Amdahl's hardware business, which only had 31-bit Millenium and OmniFlex servers to sell. In late 2000 Fujitsu/Amdahl announced that the company had no plans to invest the estimated US $1 billion (or more) to create an IBM-compatible 64-bit system. ...
10. Genealogy > USA > Surnames > Surnames beginning with: A > Surnames beginning with: Amd > Amdahl Surname: Genealogy and Family History
- www.linkpendium.com
- Amdahl Surname: Genealogy and Family History.
- Genealogy > USA > Surnames > Surnames beginning with: A > Surnames beginning with: Amd > Amdahl Surname: Genealogy and Family History Submit a link for inclusion on this page!.
- Amdahl Genealogy  (Source: Surname Web) .
- Amdahl materials  (Source: Family History Library) .
- Amdahl Message Board  (Source: RootsWeb) .
- Where were Amdahl families living in 1920?  (Source: Ancestry. ...
11. Amdahl ships latest Platinum storage with 36GB drives
- www.xephon.com
- Amdahl ships latest Platinum storage with 36GB drives.
- Amdahl has begun shipping its new Platinum/400 RAID storage subsystem for S/390 environments with 36GB drives, promising twice the capacity of 18GB drives without any increase in footprint, power consumption, or cooling requirements. ...
- Amdahl's TDMF for Platinum, TFP, is for moving data on to the Platinum/400 or taking point-in-time copies without losing access to production data. ...
- amdahl. ...
12. Amdahl's Law
- home.wlu.edu
- Amdahl's Law.
- Amdahl's Law is a law governing the speedup of using parallel processors on a problem, versus using only one serial processor. Before we examine Amdahl's Law, we should gain a better understanding of what is meant by speedup.
- This formula is known as Amdahl's Law. The following is a quote from Gene Amdahl in 1967:.
- Now that we have determined speedup and efficiency, let us turn to using this information to make sense of Amdahl's Law. ... When B is constant (recall B = the percentage of the strictly parallel portion of the program), Amdahl's Law yields a speedup curve which is logarithmic and remains below the line S=N. ...
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