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SETI@Home and Other BOINC projects

I have been running the SETI at Home program on my Macs for about 15 years but I have only had a reasonable number of machines at certain times (when spare machines were available for various reasons). I currently have a varying number of machines dedicated to the task - sometimes just 2 or 3 machines and sometimes more - so my output varies significantly over time.

A few of my colleagues at Otago University (and a few from other places) in the past used their Macs but my rate isn't very high now - at its peak my SETI project had about 30 machines. Check below to see my current status. You can check my latest stats at the SETI site.

In the tables shown below my best stats for the classic project (before 2007) and some significant milestones for the new one are shown in bold, and significant stats for the new (BOINC) project are shown in red.

Current and Previous Stats: OJB

DateTotalMore ThanPos WorldPos NZ
04/08/20173443137199.941%10006
20/10/20162327810599.900%14016
27/09/20162070415399.899%16737
27/09/20162007374799.895%17238
17/06/20161575644199.860%228310
26/12/20151000000099.778%345126
04/07/2015700111899.647%490939
10/04/2014647367799.698%443532
21/09/2012602266499.775%244520
05/01/2011560797299.800%249214
12/06/2010325728299.770%250011
17/10/2009175096599.610%399120
07/05/2009100360499.310%678238
07/05/200970000098.704%21663106
01/12/2007450000unknown6142unknown
25/10/2007 (3)403904unknownunknownunknown
03/02/2007 (2)221807unknownunknownunknown
02/12/200625073unknownunknownunknown
08/08/20052000999.794%1118855
17/01/20051801199.800%1065352
29/11/20031453499.827%825233
13/03/20031400099.877%528529
03/03/20031394599.878%520228
04/06/20021308399.916%315419
04/02/2002 (1)1274099.927%257618
29/09/20011128399.927%240417
14/09/20011096299.925%244118
27/07/20011000699.918%260419
10/06/2001908799.911%273819
25/05/2001868999.906%286019
16/05/2001847799.903%292522
24/04/2001802699.897%306221
26/01/2001664899.872%347821
15/11/2000546799.855%357120
10/10/2000470599.839%382320
01/10/2000451299.833%393621
11/09/2000397399.811%435623
28/08/2000349699.783%494224
17/08/2000319199.759%540826
26/07/2000251499.674%709735
12/07/2000201599.566%930743
03/07/2000166499.445%1180551
21/06/2000125599.196%1680678
12/06/2000101298.967%21406104
07/07/19991unknownunknownunknown

1. Unfortunately, the large lab of computers I have had in the past is no longer available, so I am really just "cruising" with about 5 to 10 older machines. That's why my stats aren't as good as they were.

2. Indicates results from the new SETI at Home BOINC system. At the end of 2006 I have just temporarily acquired some faster machines, so my SETI effort should improve soon. At this point my computers have done more than 21,000,000,000,000,000,000,000,000 floating point calculations!

3. I temporarily have (or did have) a few multiple processor Intel Macs running BOINC at this point, so my total rapidly increased while they were still running.

MilkyWay@Home

I also run the MilkyWay@Home project (also avaliable through BOINC) when I can't get enough SETI data to process (for example if the SETI servers have some down time or don't have new data for any other reason). Here's my results for this project.

DateTotalMore ThanPos WorldPos NZ
04/07/2015485261096.586%969736
10/04/2014476099897.096%513729
21/09/2012399994497.098%424524
12/06/201075574694.920%318121
23/09/200920411994.690%18236
26/06/200900%34363140

Einstein@Home

I also run the Einstein@Home BOINC project. Here's my results for this project.

DateTotalMore ThanPos WorldPos NZ
04/07/2015229607997.370%1061353
10/04/2014183728297.438%2355852
21/11/2012128497897.948%147537

University of Otago Group

I set up the the University of Otago Group so that SETI users at the University could pool their results into a group. Check the University of Otago Group here at the SETI site.

Current and Previous Stats: University of Otago Group

DateTotalMembersPos WorldPos NZ
04/07/2015121332191412638
10/04/2014115681621410697
21/09/201210986525148226
05/01/201110474255147285
12/06/20108017534125872
14/08/2009551035312620unknown
07/05/2009420015219700unknown
25/10/200717992038690unknown
03/02/200710100769820unknown
05/12/2006 (4)68026591060unknown
08/08/200542635121050unknown
17/01/200537293121220unknown
29/11/20032670612unknownunknown
06/06/20032361011unknownunknown
03/03/20032202610unknownunknown
04/06/2002182358unknownunknown
04/02/2002170618unknownunknown
14/09/2001143578unknownunknown
27/07/2001130857unknownunknown
24/04/2001105176unknownunknown
26/01/200186455unknownunknown
10/10/200062375unknownunknown
23/08/200034384unknownunknown
10/08/200029683unknownunknown
21/07/200022542unknownunknown
12/07/200019332unknownunknown

4. Indicates results from the new SETI at Home BOINC system. Some people have added themselves to our group and contributed a really impressive number of results.

SETI Goals: OJB

GoalAchieved
Total World Domination!-
Top 5 in New Zealand-
Top 1000 in World04/08/2017
Top 0.1% of World Users20/10/2016
20 million BOINC units26/09/2016
Top 2000 in World02/08/2016
Top 10 in New Zealand17/06/2016
10 million BOINC units01/09/2012
5 million BOINC units01/11/2010
Top 2500 in World12/06/2010
3 million BOINC units20/03/2010
Top 4000 in World17/10/2009
Top 20 in New Zealand15/10/2009
Top 5000 in World14/08/2009
1 million BOINC units18/06/2009
700000 BOINC units (5)07/05/2009
20000 classic units07/08/2005
10000 units26/07/2001
More than 99.9% in World12/05/2001
Top 3000 in World14/05/2001
5000 units24/10/2000
Top 20 in New Zealand08/10/2000
Top 5000 in World27/08/2000
3000 units11/08/2000
2000 units10/07/2000
Top 10000 in world06/07/2000
Top 50 in New Zealand05/07/2000
Top 20000 in World15/06/2000
More than 99% in World14/06/2000
Top 100 in New Zealand13/06/2000
1000 units11/06/2000

5. Indicates targets for the new SETI at Home BOINC system. Targets for the new system are difficult to compare with the old (classic) system.

About SETI@Home

The University of California Berkeley runs the SETI at Home project to capture and analyse data from the world's largest radio telescope at Arecibo and look for signs of intelligent life on planets orbiting other stars. Because of the huge amount of data analysis required it isn't practical to have the data analysed by a single computer, so the Internet is used to distribute data to a very large number of smaller computers (Macs, PCs, Linux computers, Suns, etc).

Many users (over 1.5 million at July 2015) connect to the SETI at Home web site and are allocated a chunk of data to analyse. When the analysis is complete (this takes a few hours for the average computer, but as the average computer gets faster this number decreases) the computer re-connects to the site to return the results and load another chunk of data. In total the system executes about 670 Teraflops (670 thousand billion floating point operations per second) and represents the biggest computing project ever (a total of one sextillion, or a thousand million trillion operations).

Of course, most people don't want their computer running a program to analyse astronomical data all day so the program can be set up to run as a screen saver. It runs when your computer "goes to sleep" and gets on with some useful work. Its also practical to run it permanently on computers which do light work full time, such as backup servers, especially if the priority of its process is reduced.



My latest blog post: Avoid Microsoft: If you don't really like computers much you could make things a bit better for yourself. (posted 2024-12-04). My latest podcast: OJB's Podcast 2024-08-22 Stirring Up Trouble.
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