Cray Supercomputer FAQ and other documents

Welcome to the website archive of the Cray supercomputer FAQ documents.

This site has been replaced in 2021 by Cray-History.net website that includes all this site and so much more information.

Here you will find information about Cray supercomputers, both those designed and built by Seymour Cray as well as machines built by the company he founded, Cray Reseach Inc.

Please note Email address changed July 2002.

Fred Gannett

Contributions and corrections welcome, please send to the email address below.

Cray Research and Cray computers FAQ Part 1 : Cray Supercomputer families

Cray Research and Cray computers FAQ Part 2 : Tales from the Crypto and other bar stories

Cray Research and Cray computers FAQ Part 3 : Short notes

Cray Research and Cray computers FAQ Part 4 : Buying a previously owned machine

Cray Research and Cray computers FAQ Part 5 Machine specifications

Now with pictures !

Cray Channels Magazine Cray Channels Archive

Other site documents

Inside a Cray T3e. This documents describes and visulises the internals of a Cray T3e.
Gannett's Law. Some musings on a possible methodology for matching computers to parallel jobs.
El boot up sequence and files annotated for your enjoyment.
Cray Research Press Releases 93..96 by Timeline, brand gift catalogs etc.
The original Hallie Lab By Jimbo Sept 2004
The Cray Museum Pics and text by Jimbo Oct 2004
Index of electronic books
VRML.wrl T3e CPUs view and Cray Sv-1 in Vrml click image for .jpg

Email address For this site

The email address for all *NON-COMMERCIAL* *NON_BULK* Email related to the subjects on this site is :

Please be aware that I get loads of spam to this public address. Please put XMP at the start of the subject line to distinguish it from the junk.

Crayfaq at spikynorman dot net

Support a public access Cray Ymp-EL at www.cray-cyber.org

Other Cray Computer Related links

These kind of lists of links are hard to keep up to date but here are a few to try. Searching at Google etc. will dig up others as well as lots of information on Robert Cray the musician !

Cray Inc, The mothership
Cray virtual museum with good machine pictures at the Charles Babbage Institute.
Cray Inc entry at Wiki.
Seymour Cray Interview At the Smithsonian
A Seymour Cray Perspective By Gorden Bell
The Making of a Cray-3, A talk given at the Ninth SCD User Conference 1993
Read more on the history of Seymour Cray and his company in "The Supermen" Described as "The story of Seymour Cray and the technical Wizards behind the supercomputer". Available on Amazon ISBN 0471048852
The Cray X-MP/Model 24 : A Case Study in Pipelined Architecture and Vector Processing. Available on Amazon ISBN 0387970894
Social site for Ex Cray employees.
Support a public access EL at www.cray-cyber.org
History of Computers at the Uk Met Office 1959..2004
ECMWF Supercomputer history Pictures are not all of the machines described.
A History of Supercomputing at Florida State University ETA-10 Replaced by YMP.
NCAR, SCD supercomputer gallery, photos and information on high-performance computers the Scientific Computing Division has supported at the National Center for Atmospheric Research from 1963 to the present
NASA Center for Computational Sciences, Supercomputer history timeline at Goddard
Historical super computer systems in Sweeden