2021

Unicos and other operating systems

Unicos is the operating system(s) that enabled application software and users to exploit Cray hardware.  Unicos provided a Unix based envrionment with many extensions needed for systems with multiple users and a complex workloads. Unicos provided added security, resource control, programming languages, data management features as well as processing accounting. Unicos versions (from Wikipedia) Cray

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Cray Software Applications

Cray Research focused on hardware but also made system and application software. Customers like to buy “a solution to a problem” and are rarely fussed by the actual technology used to deliver that solution. Alongside the need for developing language and systems software unique to the special Cray Hardware application software was developed. By having

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EL and C90 Poster Centerfolds

These two posters appeared side by side in Cray Channels V13_N4 as centre folds. Also distributed as wall posters. These two machines, at the opposite ends of the Cray performance spectrum, nevertheless less ran the same UNICOS operating systems and compiler environments. The EL often appeared at larger Cray sites acting as a software development

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Contact Us – To contribute updates, corrections and stories

We would be very grateful If you have missing information or contributions / suggestions / stories or pictures for the site. Contact US Please Post an update on this page or email to webmaster@cray-history.net – Add XMP to Email subject line to avoid the spam traps. Acknowledgments This site contains the work and effort compiled from

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Serial Number 1

The first of a kind always holds special interest for historians and serial number one, the first Cray-1 computer system is no exception. Made in 1976 this machine, really just the prototype but proved it’s worth at 6 sites paving the way for early sales of Cray Research Supercomputers. Serial Number 1 World Traveller From Cray

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About The Chippewa Falls museum of Industry and Technology with Serial Number 1 and Serial Number 101

The Chippewa Falls museum of Industry and Technology is of particular interest to followers of supercomputing technology. The museum located in home town of supercomputer maker Cray Research and holds the assets of the original Cray Corporate Computer museum. Included in the collection is Serial Number 1, the first Cray-1 supercomputer and Serial Number 101

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CASH-STARVED CRAY COMPUTER CLOSES, SEEKS CHAPTER 11 – March 27th 1995

The Following appeared as Article 9037 on HPC wire on 27th March 1995 recording the end of the Cray-3 project and Cray Computer Corporation. CASH-STARVED CRAY COMPUTER CLOSES, SEEKS CHAPTER 11 Mar. 27 NEWS FLASH by Norris Parker Smith, Editor at Large HPCwire ============================================================================= Why did Seymour Cray’s company, Cray Computer Corporation (CCC), descend into

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The Supermen by Charles J. Murray

A great book about the early days ( up to 1995 ) Link on Amazon. “The Story of Seymour Cray and the Technical wizards behind the supercomputer” The Supermen Book cover Cover Blerb After a rare speech at the National Center for Atmospheric Research in Boulder, Colorado, in 1976, programmers in the audience had suddenly

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“Cray at Chippewa Falls” Photo Book by Lee Friedlander

This photo book is legendary amongst admirers of Cray Research and supercomputing manufacturing at Chippewa Falls. Containing black and white photos of Cray systems being assembled along side scenic views of the town of Chippewa falls. Only rarely available on Ebay along with other company memorabilia. Front page inscription reads “To celebrate and commemorate the

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Cray System Installation photos

Getting a new machine is always an exciting moment for customers. The installation engineer’s often spend many hours testing and configuring the systems ready for customer acceptance. Your install picture are solicited for this entry. Email over to the contact address. Install Timelapse YouTubes: Installing Jaguar, update to Kraken  Time lapse Upgrading Kraken processors Upgrading Jaguar

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High Performance Computing Workshop “Performance Programming on the Cray YMP-EL” 

High Performance Computing Workshop Performance Programming on the Cray YMPEL by Dr. Andrew J. Pounds High Performance Computing Group Georgia Institutute of Technology. Click link for .pdf High performance programmining on the Cray EL Vector_OCR  A great introduction into how to make your programs run fast on a Cray EL.  

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