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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It has recently been announced (December 2023) that Les Davis has passed away aged 93. An early and foundational influence on Cray Research Les worked closely with Seymour Cray and John Rollwagon to deliver the vision of supercomputing. Lester ‘T’ Les Davis was a senior engineer at Cray Research. As an early employee he worked
Les Davis (1930 — 2023) Read More »
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
EL and C90 Poster Centerfolds Read More »
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. Some Background The idea and motivation behind Cray-History.net is to
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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
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
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
CASH-STARVED CRAY COMPUTER CLOSES, SEEKS CHAPTER 11 – March 27th 1995 Read More »
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
The Supermen by Charles J. Murray Read More »
References to the the book in Cray internal literature. Searching in the archives found these mentions NEWSLETTER-Gigaflop_Gazette-Volume_6_Number_11-November_27_1991 The employee gift given in January of 1987 anticipated Cray Research’s 15th anniversary and was a sample of the Lee Friedlander book Cray at Chippewa Falls from NEWSLETTER-Gigaflop_Gazette-Volume_6_Number_13-December_27_1991 The company’s fifteenth anniversary was noted by a
“Cray at Chippewa Falls” Photo Book by Lee Friedlander Read More »
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 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.
High Performance Computing Workshop “Performance Programming on the Cray YMP-EL” Read More »
Advanced Systems magazine 1994 review of the EL94.
Advanced systems magazine “Vector Monster” review of Cray EL-94 Read More »
The Cray Channels magazine provides some insight into the customer and applications that used Cray Research Supecomputers. The Corporate Register section often listed customer orders and installation of Cray systems around the world. These have been extracted and are presented here for review. Further data analysis can be found on the Cray Channels Organisation page.
Cray Systems for Customers – Extracts from Cray Channels Read More »
The history of Cray branded computers is long and has a few twists along the way. Beginning as a classic start-up in 1976 and building to a multi-million dollar company Cray Research Inc went through cycles of boom, innovation, not-quite-bust, buyout (three times), occasional refocus and of course a split with the founder. A few
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Cray EL boot sequence for sn5411 This document shows the boot sequence, as seen from the system console of a 2 IOS, 8 CPU Cray EL followed by the IOS and system configuration files. The later of which is passed to Unicos during the boot. User input in bold. HK68/V30 ver 01.04 -Power Up
Cray YMP-EL boot up sequence and annotated configuration files Read More »
