CrayArturo Russek

October 12, 20061B

Agenda

• Seymour Roger Cray

• Seymour Roger Cray’s Life

• CDC 6600

• Cray 1

• Cray 3 (Graywolf)

• Computers

Seymour Roger Cray

http://www.cgl.ucsf.edu/home/tef/cray/tribute.html

Seymour Roger Cray’s Life

• Born in Chippewa Falls, Wisconsin in 1925

• Graduated from the University of Minnesota

• Bachelor's degree in electrical engineering

• Died in 1996 in Colorado

CDC 6600

http://www.recherche.enac.fr/~alliot/COURS/img151.JPG

CDC 6600 Firsts

• First system to:

• Employ packaging

• Have an instruction set

• Earn the title of supercomputer

Cray Supercomputer

http://hilbert.math.uni-mannheim.de/~seiler/cray.jpg

Cray 1 Technical Info.

Processor Vector

Price $5 - $8.8 million

Units Shipped 85

Software Cray Operating System (COS)

Cray 1

• Each took months to assemble

• Fit just right

• Assembled by hand

• Special cooling system

• One hundred million arithmetic operations per second

• 200 PC’s

http://images.google.com/imgres?imgurl=http://www.occdsb.on.ca/~sel/vc59/robotics/cacompute.gif&imgrefurl=http://www.occdsb.on.ca/~sel/vc59/robotics/robots.htm&h=146&w=171&sz=23&hl=en&start=5&tbnid=jEDqfHaK4srxfM:&tbnh=85&tbnw=100&prev=/images%3Fq%3Danimated%2Bcomputer%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DG

Cray 1

• Needed a whole room for the main unit

• Huge power supply next door

• Mainframe computers just to feed data into it

• In 1976 it cost about $700,000

• Today it is in a museum

• Existed in any color

Cray 3 (Graywolf)

QuickTime™ and aTIFF (Uncompressed) decompressor

are needed to see this picture.

http://www.cisl.ucar.edu/computers/gallery/cray/images/graywolf.jpg

Cray 3

• Four-feet tall

• 20 gigabytes of disk space

• Clock speed of 2.08 nanoseconds

• Required 90,000 watts of power

Cray 3

• 310,000 British thermal units of heat per hour

• Six 2,000-square-foot homes.

• Named after 14,000-foot peak in the Colorado Rockies

• Decommissioned on March 26, 1995

Computers

• 1101• 1103• Control Data 1604• CDC 6600 • CDC 7600• CDC 8600• Cray 1• Cray 2• Cray 3• Cray 4

Bibliography

• "Cray, Seymour." World Book Online Reference Center. 2006. [September 26, 2006.] http://www.worldbookonline.com/wb/Article?id=ar749247

• http://hilbert.math.uni-mannheim.de/~seiler/cray.jpg• http://www.thocp.net/hardware/cray_1.htm• A Tribute to Seymour Cray, by Charles W. BreckenridgeSRC Computers, Inc.

http://www.cgl.ucsf.edu/home/tef/cray/tribute.html

• http://images.google.com/imgres?imgurl=http://www.cisl.ucar.edu/computers/gallery/cray/images/graywolf.jpg&imgrefurl=http://www.cisl.ucar.edu/computers/gallery/cray/graywolf.jsp&h=360&w=285&sz=16&hl=en&start=1&tbnid=AoGdxyTDsbcJMM:&tbnh=121&tbnw=96&prev=/images%3Fq%3Dcray%2B3%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DG