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A 3-minute rant on the "deluge of data" in astronomy
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Geert Barentsen
December 08, 2014
Science
2
510
A 3-minute rant on the "deluge of data" in astronomy
A rant presented at the sixth dot Astronomy conference, 8 December 2014, Chicago.
Geert Barentsen
December 08, 2014
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Transcript
A 3-minute rant on the "deluge of data" in astronomy
by Geert Barentsen (@GeertHub) 1
11011010 10111011 01000110 01000011 00010011 10011001 00101100 00101111 10101110 10010000
11110110 01100100 10001011 01000111 10111111 11110000 01001110 10000110 01011111 01111110 11001000 10100000 10110111 11110111 11001000 11100100 00001110 01000100 00010001 01000111 00101011 01100101 10010110 01001100 11100110 01011101
Pixel rates of our largest optical surveys double every 41
months 3
CCD-based astronomy is limited by glass and atmosphere; it does
not track Moore’s law! 4
CPU transistor counts double every 23 months 5
Supercomputer FLOPS double every 13 months 6
Internet speeds double every 16 months 7
Disk drive storage doubles every 23 months 8
Storage bus speeds double every 35 months 9
2000 (SDSS) vs 2022 (LSST), if trends continue: • 81x
more pixels; • 190x faster I/O; • 2565x more storage; • 120 578x faster internet; • 1 202 277x faster supercomputers. 10
The increase in CCD data is vastly outstripped by the
deluge of computing power. (Not true for radio astronomy.) 11
Let’s ride the tsunami of computing power! Graphs and data
points are here: http://github.com/barentsen/tech-progress-data 12