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ILLIAC I was based on the Institute for Advanced Study ( IAS ) Von Neumann architecture as described by mathematician John von Neumann in his influential First Draft of a Report on the EDVAC.
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ILLIAC and I
* ILLIAC I – First computer to calculate the orbit of Sputnik I.
The Cyclone at Iowa State University was a direct clone of JOHNNIAC, and was instruction compatible with it ( the ILLIAC I may have been as well ).
* ILLIAC I ( University of Illinois at Urbana-Champaign )
Unlike the other computers of its era, the ORDVAC and ILLIAC I were twins and could exchange programs with each other.
J. P. Nash of the University of Illinois was a developer of both the ORDVAC and of the university's own identical copy, the ILLIAC, which was later renamed the ILLIAC I. Donald B. Gillies assisted in the checkout of ORDVAC at Aberdeen Proving Ground.
Memory drum of ILLIAC I, on display at the Spurlock Museum.
The ILLIAC I ( Illinois Automatic Computer ), a pioneering computer built in 1952 by the University of Illinois, was the first computer built and owned entirely by a US educational institution, Manchester University UK having built Manchester Mark 1 in 1948.
Unlike most computers of its era, the ILLIAC I and ORDVAC computers were twin copies of the same design, with software compatibility.
ILLIAC I was very powerful for its time ; in 1956 it had more computing power than all of Bell Labs.
ILLIAC I was retired in 1962, when the ILLIAC II became operational.
* 1955, Lejaren Hiller and Leonard Isaacson, used ILLIAC I to compose the Illiac Suite which was one of the first pieces of music to be written with the aid of a computer.
* 1957, Mathematician Donald B. Gillies, Physicist, James E. Snyder and Astronomers George C. McVittie, S. P. Wyatt, Ivan R. King and George W. Swenson of the University of Illinois used the ILLIAC I computer to calculate the orbit of the Sputnik I satellite within 2 days of its launch.
* 1960, The first version of the PLATO computer-based education system was implemented on the ILLIAC I by a team led by Donald Bitzer.
* ILLIAC I history including computer music.
* ILLIAC I documentation at bitsavers. org
ja: ILLIAC I
pt: ILLIAC I
* ILLIAC I
The concept, proposed in 1958, pioneered Emitter-coupled logic ( ECL ) circuitry, pipelining, and transistor memory with a design goal of 100x speedup compared to ILLIAC I.
* ILLIAC I
ILLIAC and was
The ILLIAC had up to 128 parallel processors while the B6700 & B7700 only accommodated a total of 7 CPUs and / or IO units ( the 8th unit was the memory tester ).
In 1962, Westinghouse cancelled the project, but the effort was re-started at the University of Illinois as the ILLIAC IV.
Nevertheless it showed that the basic concept was sound, and, when used on data-intensive applications, such as computational fluid dynamics, the " failed " ILLIAC was the fastest machine in the world.
Some compilers in this category provide special constructs or extensions to allow programmers to directly specify operations to be performed in parallel ( e. g., DO FOR ALL statements in the version of FORTRAN used on the ILLIAC IV, which was a SIMD multiprocessing supercomputer ).
The later SILLIAC computer was a copy of the ORDVAC / ILLIAC series.
Because the lifetime of the tubes within ILLIAC was about a year, the machine was shut down every day for " preventive maintenance " when older vacuum tubes would be replaced in order to increase reliability.
ILLIAC IV parallel computer's CUThe ILLIAC IV was the first supercomputer ever built.
In 1964 the University signed a contract with DARPA to fund the effort, which became known as ILLIAC IV, since it was the fourth computer designed and created at the University.
The ILLIAC was a 64-bit design, in a pre-ASCII era when 48-bit machines were more common and no word length could be considered " standard ".
ILLIAC and based
The SILLIAC ( Sydney version of the Illinois Automatic Computer, i. e. the Sydney ILLIAC ), an early computer built by the University of Sydney, Australia, was based on the ILLIAC and ORDVAC computers developed at the University of Illinois, which in turn were based on the IAS architecture developed by John von Neumann.
ILLIAC I was built at the University of Illinois based on the same design as the ORDVAC.
ILLIAC and on
* Burroughs collaborated with University of Illinois on a multiprocessor architecture developing the ILLIAC IV computer in the early 1960s.
Wheeler discusses projects that were run on EDSAC, user-oriented programming methods, and the influence of EDSAC on the ILLIAC, the ORDVAC, and the IBM 701.
One of a series of research machines, the ILLIACs from the University of Illinois, the ILLIAC IV design featured fairly high parallelism with up to 256 processors, used to allow the machine to work on large data sets in what would later be known as vector processing.
When the ILLIAC was finally turned on in 1971, NASA's changes proved incompatible with the original design, causing intermittent failure.
The Thinking Machines CM-1 and CM-2 are excellent examples of the " classic " ILLIAC IV concept, although they also included far better interconnectivity between their PE's in order to avoid data bottlenecks that reduced the problem set suitable for use on the ILLIAC.
There was more than a little " backlash " against the ILLIAC design as a result, and for some time the supercomputer market looked on massively parallel designs with disdain, even when they were successful.
ILLIAC II had 8192 words of core memory, backed up by 65, 536 words of storage on magnetic drums.
Wheeler discusses the EDSAC project, the influence of EDSAC on the ILLIAC, the ORDVAC, and the IBM 701 computers, as well as visits to Cambridge by Douglas Hartree, Nelson Blackman ( of ONR ), Peter Naur, Aad van Wijngarden, Arthur van der Poel, Friedrich Bauer, and Louis Couffignal.
Wheeler discusses projects that were run on EDSAC, user-oriented programming methods, and the influence of EDSAC on the ILLIAC, the ORDVAC, and the IBM 701.
Golub discusses the construction of the ILLIAC computer, the work of Ralph Meager and David Wheeler on the ILLIAC design, British computer science, programming, and the early users of the ILLIAC at the University of Illinois.
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