Seymour Cray was a serial inventor at a large and small scale. Having a look at a couple of his patents can be quite enlightening. Browsing over at the US patent office the earliest found was “US-2741758-A Magnetic core logical circuits. From April 1956“. This patent was to reduce the power consumption and improve reliability […]
A threesome of Seymour Cray Patents Read More »
Here is a list of the patents assigned to Cray Research The contents of these documents can be found using the look up site here Document/Patent number Title Inventor name Publication date Pages US-6173428-B1 Apparatus and method for testing using clocked test access port controller for level sensitive scan designs West; Jeffrey D. 09/01/2001 18
List of patents with Cray Research as Assignee Read More »
Here is a list of the patents authored by Seymour Cray. The contents of these documents can be found using the look up site here Document/Patent number Title Inventor name Publication date Pages US-5349677-A Apparatus for calculating delay when executing vector tailgating instructions and using delay to facilitate simultaneous reading of operands from and
List of Patents with Seymour Cray as inventor Read More »
A few notes about Crays at Boeing inspired by this FB post in “Cray Pioneers” Greg Woodman Posted a day ago Dec 2024 · I attended a Boeing HPC reunion lunch yesterday. Cray was a vendor to them for 30+ years. Cray 1, 1S xmp,ymp,T90,X1. They are so proud that they supported and influenced Cray
Cray Research at Boeing Read More »
Cray Stories During the 25 years that I worked for Cray I was fortunate enough to meet many interesting people and hear many stories and urban legends about Seymour Cray, the company as well as interesting events that happened in the field. In some cases I even got to hear the story behind the story.
Jim Masocco recalls Seymour Cray Stories – With Interview Read More »
From Computer weekly Full write up here … that describes following the track of the neutrinos by lining up the single bit failures. First Record of Single Event Upset on the Ground Cray-1 Computer Memory at Los Alamos in 1976 Abstract Records of bit flips in the Cray-1 computer installed at Los Alamos in 1976
Influence from the stars on supercomputer memories first discovered in Cray-1 SN1. Read More »
Cray supercomputers have shown up in popular culture, sometimes mentioning a specific machine type other times just using “Cray Computer” in a generic sense. Listed here are some references to Cray systems in popular culture. Let us know if you know more. Books Jurassic park – Mentioned in the Michael Critchton book but a Connection
“Cray systems” in popular culture Read More »
Over here at Cray-history.net we pleased to see the release of this work by Cray Colleague David Barkai. It’s a great read and I certainly filled in a few gaps in my understanding of HPC history. David adds: “I have spent the last few years writing a book about HPC. It is now done and
Unmatched : 50 years of Supercomputing by David Barkai Read More »
Charlie Clark came across this very clear and detailed write up of Cray Corporate history over on Encylopidia.com Cray Inc. is one of the world’s premier producers of super-computers, a term rather loosely used to denote the fastest computers at any give time. The company’s high-performance supercomputers, which are capable of performing billions of
Excellent write up on Cray Corporate history Read More »
Fifty years of Cray supercomputers was celebrated with a virtual tour hosted by TNMOC in UK on 6th April 2022 This virtual talk explored the physical and logical structure of Cray-1 SN34, peaking ‘under the covers’ of this remarkable machine. The talk also illuminates how these machines evolved and sample some of what was achieved
Fifty years of Cray supercomputers in 2022 Read More »
Discovered this very interesting read published in 1991 by Arthur Trew and Greg Wilson at EPCC. Full Index pages and sample sections over on Google Books here. Or just the header information and index in this document ppp_bookpdf Link to the publishers page for the book where samples and a full .PDF download version is
Past, Present, Parallel : A survey of Available Parallel computing systems Read More »
The end of the ’90s was tough few years for supercomputers. These articles describe the spat that broke out between Cray and NEC a Japanese firms that was accused of selling supercomputers at less than cost price. After the spat was settled Cray entered an agreement to resell NEC supers SX-5 & SX-6 into the
Supercomputers going cheep ( too cheep ? ) 1997 Read More »
Also seen at – http://ed-thelen.org/comp-hist/super-users-view.html A History of Supercomputing at Florida State University Jeff Bauer (Written in early 1991) As the result of an unsolicited proposal by the Florida State University (FSU) to the U. S. Department of Energy (DOE), a collaborative agreement was initiated in late 1984 between the State of Florida, FSU, DOE
Florida State University replace ETA-10 with Cray YMP from 1991 by Jeff Bauer Read More »
This cautionary tale of how a USD10 million Cray machine was built but never delivered due to regulatory delay. Turns out it was not super-computers but more likely to be a rogue scientist that let the nuke secrets out the flask. From Wikipedia: “In 2004, the Pakistani metallurgist Abdul Qadeer Khan, a key figure in
Delayed delivery obsoleted a Cray XMP-EA SN1205 before delivery. Read More »
