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Topic: Convex Computer


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In the News (Fri 26 Apr 19)

  
  Convex Computer Corporation
Convex Computer was a Richardson, Texas based manufacturer of vector "minisupercomputers", founded in 1982.
Convex was the most successful of the minisuper vendors, but they too succumbed to the pressures of commoditization.
Convex systems ran a UNIX variant OS, called (imaginatively enough) ConvexOS, and were supplied with automatically parallelizing C and FORTRAN compilers.
www.paralogos.com /DeadSuper/Convex   (365 words)

  
  Convex Computer - Wikipedia, the free encyclopedia
Convex Computer was a company that produced a number of vector minisupercomputers, supercomputers for small-to-medium-sized businesses.
Convex was formed in 1982 by Bob Paluck and Steve Wallach in Richardson, Texas.
Convex lasted longer than most minisupercomputer companies, and to celebrate this, Convex had a graveyard of former competitor companies on its property.
en.wikipedia.org /wiki/Convex_Computer   (1097 words)

  
 Convex - Wikipedia, the free encyclopedia
Convex conjugate, is a generalization of the Legendre transformation
Convex lens, a lens with surfaces that curve outward
Convex Computer, a company that produced a number of vector supercomputers, bought by HP in 1995
en.wikipedia.org /wiki/Convex   (218 words)

  
 Will U.S. Supercomputers Design Russian A-Bombs?
Convex, acquired recently by Hewlett Packard, has informed the Commerce Department that the computers will be used only for peaceful applications such as "ground water and atmospheric pollution modelling," but a U.S. nuclear weapon expert is skeptical: "I can't imagine that they won't be used for nuclear weapon work," he tells the Risk Report.
Convex's application was filed in November 1995 and is seen by U.S. officials as motivated by a desire for prestige.
Convex is also arguing that the computers are needed to carry out a set of new contracts sponsored by the U.S. Department of Energy.
www.wisconsinproject.org /countries/russia/willussupers.htm   (462 words)

  
 Computer Science   (Site not responding. Last check: 2007-10-17)
The goal of the Illinois Concert Project is to develop technology enabling the efficient execution of irregular computations through a concurrent object-oriented paradigm.
The Convex documentation recommends that the cached fetch and increment operation be used in low contention situations and the non-cached operation be used in high-contention situations.
The peak performance of a PA7100 processor for the Convex Exemplar SPP-1000 is 200 MFLOPS.
www.ncsa.uiuc.edu /people/davem/Projects/ARPA/2q95/CS.html   (2866 words)

  
 FreeTechBooks.com - Convex Optimization   (Site not responding. Last check: 2007-10-17)
This book is about convex optimization, a special class of mathematical optimization problems, which includes least-squares and linear programming problems.
The book's primary focus is on the latter group, the potential users of convex optimization, and not the (less numerous) experts in the field of convex optimization.
Prior exposure to numerical computing or optimization is not needed, since this book has all of the needed material from these areas in the text or appendices.
www.freetechbooks.com /about370.html   (557 words)

  
 EAC FOCUS: Steven J. Wallach   (Site not responding. Last check: 2007-10-17)
Wallach was the chief designer of the Convex C1, dubbed "the world's first affordable supercomputer," and is responsible for the overall technical design of Convex's MPP effort.
Before Convex, Wallach was Manager of Advanced Development at Data General, where he was responsible for the architecture of the MV series of computers.
All vendors of high-performance computing are now using off-the- shelf RISC chips and the servers using these processors must also be software compatible with the desktops using these chips.
www.crpc.rice.edu /newsletters/spr95/pp.eac.wallach.html   (475 words)

  
 U.S. Says "No" to Supercomputers for Russia's Nuclear Weapon Labs
The report concluded that one of the computers, the model Convex SPP 2000 (recently renamed the "X-Class") made by Convex Computer Corporation, a subsidiary of the Hewlett-Packard Company, could operate at a speed of 35,000 MTOPS (million theoretical operations per second), at least ten times faster than any machine currently available in Russia.
Convex had first applied in November 1995 to export the SPP 1200 XA-32 to Chelyabinsk-70, a Russian laboratory that claims credit for developing most of Russia's nuclear warheads, including the world's most powerful hydrogen bomb.
According to a company spokesman, Convex withdrew the two latter applications in May 1996 and changed the destination of the SPP 1200 XA-32 from Chelyabinsk to the Institute of Experimental Physics in Moscow.
www.wisconsinproject.org /countries/russia/ussaysno.htm   (889 words)

  
 Convex Web Programming | Website Design | Web Site Company
Convex optimization is a subfield of mathematical optimization.
A twice differentiable function of one variable is convex on an interval if and only if its second derivative is non-negative there; this gives a practical test for convexity.
More generally, a continuous, twice differentiable function of several variables is convex on a convex set if and only if its Hessian matrix is positive semidefinite on the interior of the convex set.
www.atozsolution.com /convex_web_programming   (194 words)

  
 HEWLETT PACKARD CO(Form: S-4/A 0000891618-95-000649, Received: 08 November 1995, 04:22:05 AM)   (Site not responding. Last check: 2007-10-17)
Convex systems are used by scientists, engineers and other technical users to design and develop new products and structures, to simulate physical and other phenomena, to perform advanced research and to manage and analyze the volumes of data generated or collected by modern computer networks.
Convex Computer Corporation, Robert J. Paluck, Steven J. Wallach, Erich Bloch, H. Berry Cash, Max D. Hopper, Sam K. Smith and Howard D. Wolfe (the "Faegenburg Action") was filed in the State of Delaware against Convex and the individual members of the Convex Board.
Convex is incorporated in the State of Delaware, and, accordingly, is governed by the provisions of the Delaware General Corporation Law (the "Delaware Law").
investor.hp.com /edgardetail.cfm?cik=47217&fid=891618-95-649&sid=95-00   (13924 words)

  
 BIOGRAPHY   (Site not responding. Last check: 2007-10-17)
Convex Computer was acquired by HP on December 20, 1995 and became the Convex Division of Hewlett-Packard.
Wallach received a B.S.E.E. From the Polytechnic University, New York (formerly Polytechnic Institute of Brooklyn), and a M.S.E.E. From the University of Pennsylvania, and an MBA from Boston University.
Wallach also served on the Computer Systems Technical Advisory Committee (CSTAC) of the U.S. Department of Commerce and is a member of the board of directors at Polytechnic University, New York.
www.hpcc-usa.org /wallachbio.htm   (464 words)

  
 Nuclear Weapons: Russia's Request for the Export of U.S. Computers for Stockpile Maintenance (Stmnt. for the Rec., ...
In this context, it should be noted that the actual export of high performance computers is not required to conduct the collaborative efforts currently being discussed, according to a national laboratory official.
The executive branch announced a new export control policy on October 6, 1995, for high performance computers that is intended to focus controls on computers that have a significant impact on U.S. and allied security interests and eliminate controls that became unnecessary or ineffective due to rapid advances in computer technology.
The policy was announced after the executive branch concluded that computers capable of a composite theoretical performance of up to 7,000 MTOPS would become widely available in international markets within the next 2 years.
www.fas.org /spp/starwars/gao/nsi96245.htm   (1603 words)

  
 Josh Simon's Work Information: CONVEX Computer Corporation
CONVEX Computer Systems Operations Guide—An internal book that documented how the operations process worked, including Engineering (who maintained the master user and hosts databases), Support, Marketing, and other departments.
CONVEX Computer Corporation was purchased by Hewlett-Packard Company in December of 1995 in a stock-for-stock transaction.
It became the Convex Technological Division (CTD) of Hewlett-Packard, and was eventually consolidated into HP's general operations.
www.clock.org /~jss/work/convex.html   (1075 words)

  
 CERT Advisory CA-1992-21 Convex CSM: migmgr patch
CONVEX is aware of the vulnerabilities, and fixes or workarounds are available.
CONVEX is currently incorporating the fixes to these vulnerabilities into future releases of each product.
The CERT Coordination Center wishes to thank the CONVEX Computer Corporation for their response to these problems.
www.cert.org /advisories/CA-1992-21.html   (570 words)

  
 access -- Summer 1995 issue
In late March, CONVEX Computer Corporation announced a contract with NCSA for the purchase of a 64-CPU Exemplar Scalable Parallel Processor (SPP) system.
The Convex DataSeries allows organizations to efficiently manage storage and retrieval of the vast amounts of data created by research or applications such as complex decision support searches, 3D seismic processing, automobile crash analysis, and molecular modeling.
Steve Wallach (vice-president and cofounder of CONVEX Computer Corp.) met with NCSA and UIUC researchers on a recent visit to mark the Exemplar's installation.
ncsa.uiuc.edu /News/Access/Archive/backissues/95.2/CONVEXExemplar.html   (915 words)

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