Year: 2021

Florida State University replace ETA-10 with Cray YMP from 1991 by Jeff Bauer

Also seen at – http://ed-thelen.org/comp-hist/super-users-view.html A History of Supercomputing at Florida State University Jeff Bauer (Written in early 1991) As the result of an unsolicited proposal by the Florida State University (FSU) to the U. S. Department of Energy (DOE), a collaborative agreement was initiated in late 1984 between the State of Florida, FSU, DOE …

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Delayed delivery obsoleted a Cray XMP-EA SN1205 before delivery.

This cautionary tale of how a USD10 million Cray machine was built but never delivered due to regulatory delay. Turns out it was not super-computers but more likely to be a rogue scientist that let the nuke secrets out the flask. From Wikipedia:  “In 2004, the Pakistani metallurgist Abdul Qadeer Khan, a key figure in …

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Cray Research systems install base in the ’90s

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 …

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Cray Customer Service – Memories (1979 to 2014) by Charles Clark

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 …

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Encyclopedia of Parallel Computing (index)

Encyclopaedia of Parallel Computing David Padua – University of Illinois at Urbana-Champaign Urbana USA DOIhttps://doi.org/10.1007/978-0-387-09766-4 Copyright Information Springer Science+Business Media, LLC2011 Publisher Name Springer, Boston, MA Print ISBN 978-0-387-09844-9 Number Of Entries 796 This most excellent reference book is highly recommend to gain insight into the many aspects of parallel and high performance computing. Available in print …

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Frontiers of Supercomputing II

This interesting book of conference proceedings can be read online here:  https://publishing.cdlib.org/ucpressebooks/view?docId=ft0f59n73z;brand=ucpress Set in ’93 being 10 years after the first Frontiers conference the talks capture the key topics during the early stages of the massively parallel processing era. Articles by Les Davis and Bo Ewald and others. Frontiers of Supercomputing II A National Reassessment …

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Static can kill delicate electronics

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 …

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T90 & C90 mini movies and T3D videos

This collection of movies was distributed on a sales related CD and demonstrated some of the tasks that T90s and other Cray supercomputer systems performed. These are in Quicktime.mov format and are of low resolution which was normal for the time. Enjoy.   Mini movie Bucket or T90 and C90 Mini movies  Note: You may …

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Cray Floating point numbers

The representation of floating point numbers and the “accuracy”, repeatability and reversibility of arithmetic operations has long be a topic of discussion amongst Cray customer and scientific users. The Cray machines up to the C90 range used 64 bit Cray floating point arithmetic. When representing the long smooth curve of real numbers using digital bits …

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