Is Anybody Out There? Embarrasingly Parallel Volunteer Computing Searching for ET and Transients with SETI@home Volunteers

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Is Anybody Out There?Embarrasingly Parallel
Volunteer Computing Searching for ET and
Transients with SETI_at_home Volunteers
Dan Werthimer University of California,
Berkeley
http//seti.berkeley.edu
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• SETI before FPGAs

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NOT FUNDED
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NOT FUNDED
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NOT FUNDED
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Porno in space FUNDED!
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First Radio SETI

• Nikola Tesla (1899)
• Announces coherent signals from Mars
• Guglielmo Marconi (1920)
• Strange signals from ET
• Frank Drake (1960)
• Project Ozma
• one channel, 1420-1420.4 MHz

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• Radio - Targeted Search Strategy
• Project Phoenix - Seti Institute
• Radio - Sky Survey Strategy
• Serendip, SETI_at_home - UC Berkeley
• Southern Serendip - Australia
• Meta II -
  Argentina
• Seti Italia -
  Bologna
• Optical - Targeted
• UC Berkeley - Pulse and Continuous
• Lick Observatory Pulse
• Harvard Pulse, Sky survey 2006

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Berkeley SETI Group David Anderson, Bob
Bankay, Henry Chen, Jeff Cobb, Josh Von Korff,
Eric Korpela, Matt Lebofsky, Andrew Siemion,
Dan Werthimer, Shelley Wright NSF , NASA,
Individual Donors Agilent, Fujitsu, HP, Intel,
Sun, Xilinx
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UC Berkeley SETI Programs
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SERENDIP IV
Photos Courtesy NAIC Arecibo Observatory, a
facility of the NSF

• 168M channels
• 100 MHz Band centered on 1420 MHz

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Data storage NERSC HPSS

• (Naional Energy Research Scientific Computing
  Center)?

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The SETI_at_home Client
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SETI_at_home Statistics TOTAL
RATE
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Web site 2 million hits/day 200,000
visitors/day (stats games popular
science less popular) 100,000 children,
families (including congress members and
their kids)gt 7,000 schools
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Desired SKA Parameters

• Wide bandwidth
• 1 M beams
• fat beams
• short dwell times ( 100 seconds)

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Gaussian Candidates
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Public Participation Supercomputing Group

• David Anderson, Rom Walton, SETI Group
• aka Distributed Computing
• aka edge resource aggregation)

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BOINC NSF

• Berkeley Open Infrastructure for Network
  Computing
• General-purpose distributed computing framework.
• Open source.
• Will make distributed computing accessible to
  those who need it. (Starting from scratch is
  hard!)

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Projects

• Astronomy
• SETI_at_home (Berkeley)
• Astropulse (Berkeley)
• Einstein_at_home gravitational pulsar search
  (Caltech,)
• PlanetQuest (SETI Institute)
• Stardust_at_home (Berkeley, Univ. Washinton,)
• Earth science
• Climateprediction.net (Oxford)
• Biology/Medicine
• Folding_at_home, Predictor_at_home (Stanford,
  Scripts)
• FightAIDSathome virtual drug discovery
• Physics
• LHC_at_home (Cern)
• Other
• Web indexing/search
• Internet Resource mapping (UC Berkeley)

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Rosetta Screensaver
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Where's the computing power?
your computers
home PCs
academic
business

• 2010 1 billion Internet-connected PCs
• 55 privately owned
• If 100M participate
• 100 PetaFLOPs, 1 Exabyte (1018) storage

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Thinking_at_Home (BOSSA)

• Stardust_at_home...

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Moores Law Instruments using FPGAs 2X per
year (1,000,000 over 20 years)
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Future Spectrometers
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Summary and Conclusion

• No ETs so far
• Still working on it

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SETI HAIKU
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Searching for lifeAnswers are revealedAbout
ourselvesPaula Cook, Duke University
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One million earthlingsBounded by optimismLeave
their PCs onDan Seidner
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Thanks to

• Jeff Mock
• Henry Chen, Terry Filiba, Griffin Foster, Billy
  Mallard, Jason Manley, Peter McMahon, Andrew
  Siemion, Laura Spitler, Mark Wagner,
• All of you