Dan Hogberg writes on FB 2025 8 January at 20:31 · Hello Friends of Cray Research. It is with heartfelt sadness and fondest remembrance that I share the passing of Michael “Mick” Dungworth, one of the truly unique leaders and members of the Cray community. Mick left us peacefully a few weeks ago, and is survived by […]
Michael “Mick” Dungworth Obituary 2025 Read More »
A few product development roadmaps as they changed over time from 2000 t0 2010. Comment: Back in the early days Cray Research had multiple lines of somewhat competing vector computing products Cray-2 & XMP then later the C90 & Cray-3. At other times Cray was transitioning from one type of computing to another due to
Cray Inc Vision and Roadmaps for product development 2000 .. 2010 Read More »
My post in “At the controls” FB group got deleted because the content was mostly after 1970 – So here we are people “At the controls of Supercomputers” – Send your pictures to the usual address. In some reference caption text if you can.
At the controls – Mostly Supercomputers Read More »
Cray Research and Cray Inc Stories Hold issue failure A Cray analyst once told me of a strange problem that an oil company in Texas had where they reported that for some reason the seismic job that they ran every day on their X-MP that normally took many hours to run had started running
Jim Masocco recalls Cray Research and Cray Inc Stories 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 about 1987 to 1997, it was traditional that Cray Research would ship a customer system book showing images from the factory of how the system was built. Included in the book, were pictures of the staff and machines that built the customers machine. A couple of examples of the system book have been captured
Customer System books Read More »
If you look closely into the top of a Cray-2 we are able to make out rows of indicator lights that were used by service engineers to assess the state of a machine. In the event that a machine hung or unexpectedly halted, the indicator lights were examined to gain some idea of what was
Cray-2 Diagnostic and indicator lights Read More »
From: Charles Clark <*******@gmail.com> Subject: Re: Meeting on 7th October Date: 3 January 2022 at 16:15:48 GMT To: DCLaufer <davidl@*******> Cc: Clive England <clive@********> David, Clive just sent me the recording of our virtual visit to the CMoA in October and since you talked again about S/N 13, your Cray 1 from Max Planck, I
SN13 Recollections By Charles Clark Read More »
This chart shows the approximate installed base of active Cray Research systems during the 1990s. The data that shows the XMP (red) being phased out in favour of the YMP (green) and the rise of the smaller J90 and EL systems (orange and yellow) in the later 1990s. The peek system install base in 1996 being
Cray Research systems install base in the ’90s Read More »
Cray Customer Service – Memories (1979 to 2014) a personal memoir by Charles “Charlie” Clark I have seen lots of articles on Cray Supercomputers, their design. development, uses and installations, but I haven’t seen too much documented on the WEB about the Cray Engineers and Analysts who supported these systems in the field so I
Cray Customer Service – Memories (1979 to 2014) by Charles Clark Read More »
Static can kill delicate electronics. From Cray Channels CC_V4_N4 “Cray Research’s new system test equipment focuses on quality.” The company’s newly-established in house system test facility includes a JEOL Scanning Electron Microscope (SEM) and a Tracor Northern Xray spectrum analyzer. The SEM and X-ray spectrum analyzer units together offer an extremely wide magnification range (10 to 180,000 times
Static can kill delicate electronics Read More »
When you pay a few million $£€ for a supercomputer you expect great service. Here are a couple of service snapshots: An article about the introduction of the on-site module tester for XMP boards. From Volume 6 No 1 – Jan/Feb 1986 of Cray Interface The on site testing and repair procedures are described
Cray System Service snapshots 1989 and 1996 with remote support information. 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
Cray System Installation photos 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 »
