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Milkyway@Home



Friday, April 8, 2011
Milkyway@Home

                        • Distributed computing project
                        • Work on structure of Milkyway
                        • Tidal streams
                        • N-body simulation

Friday, April 8, 2011
Friday, April 8, 2011
Friday, April 8, 2011
Friday, April 8, 2011
Milkyway iOS
                        • Run 1 of 5 (sort of) fake workunits 1000x
                          smaller than normal
                        • 10s desktop test takes 20 minutes, 8%
                          battery
                        • E-mails me the results at
                          milkyway4ios@gmail.com
                        • 143 people sent results, some many
Friday, April 8, 2011
Milkyway4iOS
                        •   Get it from Peter’s Cydia repository
                        •   “I haven’t looked at the Milkyway yet, cause
                            that just came out”
                        •   “Milkyway! What is it? What can I do with it?”
                        •   “I don’t even know what this is for? Hope it
                            helped you, and please update mobile notifier!
                            So much potential for the best notification
                            system!!”


Friday, April 8, 2011
What I’m doing

                        • Last presentation I forgot to mention my
                          main goal for the semester
                        • (Still haven’t started that though, so it
                          doesn’t matter)




Friday, April 8, 2011
CAL++
                        • Finally as fast (for the main part anyway)
                        • Apparently I was as fast for a long time and
                          I’m just dumb
                        • (Well actually likelihood not done + other
                          stuff, so a couple of extra seconds at the
                          end)
                        • Need something besides a 5870 to test it
Friday, April 8, 2011
I broke the server

                        • All I wanted was a few minor scheduler
                          fixes
                        • Now running SVN trunk server and
                          everything is at least partially broken
                        • Slowly getting better

Friday, April 8, 2011
Friday, April 8, 2011
Friday, April 8, 2011
Lua

                        • Arbitrary initial distributions
                        • Less gross other configuration
                        • Better N-body tests


Friday, April 8, 2011
Friday, April 8, 2011
GPU N-body

                        • O (n log n) N-body much harder than the
                          canonical GPU programming example
                        • Useless papers with no code (why are
                          these publishable exactly?)
                        • Found a starting point

Friday, April 8, 2011
Questions?


                        • milkyway.cs.rpi.edu
                        • https://github.com/Milkyway-at-home/
                          milkywayathome_client




Friday, April 8, 2011

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Milkyway@home rcos presentation_4_8_2011

  • 2. Milkyway@Home • Distributed computing project • Work on structure of Milkyway • Tidal streams • N-body simulation Friday, April 8, 2011
  • 6. Milkyway iOS • Run 1 of 5 (sort of) fake workunits 1000x smaller than normal • 10s desktop test takes 20 minutes, 8% battery • E-mails me the results at milkyway4ios@gmail.com • 143 people sent results, some many Friday, April 8, 2011
  • 7. Milkyway4iOS • Get it from Peter’s Cydia repository • “I haven’t looked at the Milkyway yet, cause that just came out” • “Milkyway! What is it? What can I do with it?” • “I don’t even know what this is for? Hope it helped you, and please update mobile notifier! So much potential for the best notification system!!” Friday, April 8, 2011
  • 8. What I’m doing • Last presentation I forgot to mention my main goal for the semester • (Still haven’t started that though, so it doesn’t matter) Friday, April 8, 2011
  • 9. CAL++ • Finally as fast (for the main part anyway) • Apparently I was as fast for a long time and I’m just dumb • (Well actually likelihood not done + other stuff, so a couple of extra seconds at the end) • Need something besides a 5870 to test it Friday, April 8, 2011
  • 10. I broke the server • All I wanted was a few minor scheduler fixes • Now running SVN trunk server and everything is at least partially broken • Slowly getting better Friday, April 8, 2011
  • 13. Lua • Arbitrary initial distributions • Less gross other configuration • Better N-body tests Friday, April 8, 2011
  • 15. GPU N-body • O (n log n) N-body much harder than the canonical GPU programming example • Useless papers with no code (why are these publishable exactly?) • Found a starting point Friday, April 8, 2011
  • 16. Questions? • milkyway.cs.rpi.edu • https://github.com/Milkyway-at-home/ milkywayathome_client Friday, April 8, 2011