Cray Machine Families

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 System Installation photos

Getting a new machine is always an exciting moment for customers and the installation engineer’s who often spend many hours testing and configuring the systems ready for 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

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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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Cray and Other Timeline documents

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 YMP-EL boot up sequence and annotated configuration files

  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

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About the Computer Museum of America CMoA

A .pdf about the Computer museum of America in Roswell, North of Atlanta GA. Hosts a substantial collection of Cray and other systems. This is a great place to see a range of different computers that Cray Research delivered to customers. Also houses a range of computer artefacts and interpretation displays. Bring the kids, bring

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Cray-2 Memories

The slides from a chat with some Cray-2 Engineers that was hosted by CMoA on Star wars day 2021. Cray-2_MemoriesFINAL The Cray-2 is a fascinating and innovative machine that deserves a better write-up. Four best features of the Cray-2 • Density of electronics, it’s a very small machine compared to contemporaries. • Speed of processor using

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World Land Speed record and Cray Research

I am a big fan of the 1997 Thrust SSC project and the current BloodHound SSC project. For the sheer engineering daring and boldness of ambition. For the mission to promote engineering and science as a profession and push back the frontiers of the possible. Here is the Cray Channels 1997 write up of the aerodynamic study

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Apple Computer and Cray Research – some notes

What are the Cray Research connections with Apple Computers ?   ​ Cray XMP/48 with Apple SE inside (c)1987 John Greenleigh   Cray Research and Apple Computers, seemly at opposite ends of the computer price spectrum, do have some subtle historical links. It is well known that Seymour Cray used an Apple desktop when designing Cray Computer Corp

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