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SETI@Home

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

Date Total More Than Position World Position NZ
04/08/2017 34431371 99.941% 1000 6
20/10/2016 23278105 99.900% 1401 6
27/09/2016 20704153 99.899% 1673 7
27/09/2016 20073747 99.895% 1723 8
17/06/2016 15756441 99.860% 2283 10
26/12/2015 10000000 99.778% 3451 26
04/07/2015 7001118 99.647% 4909 39
10/04/2014 6473677 99.698% 4435 32
21/09/2012 6022664 99.775% 2445 20
05/01/2011 5607972 99.800% 2492 14
12/06/2010 3257282 99.770% 2500 11
17/10/2009 1750965 99.610% 3991 20
07/05/2009 1003604 99.310% 6782 38
07/05/2009 700000 98.704% 21663 106
01/12/2007 450000 unknown 6142 unknown
25/10/2007 (3) 403904 unknown unknown unknown
03/02/2007 (2) 221807 unknown unknown unknown
02/12/2006 25073 unknown unknown unknown
08/08/2005 20009 99.794% 11188 55
17/01/2005 18011 99.800% 10653 52
29/11/2003 14534 99.827% 8252 33
13/03/2003 14000 99.877% 5285 29
03/03/2003 13945 99.878% 5202 28
04/06/2002 13083 99.916% 3154 19
04/02/2002 (1) 12740 99.927% 2576 18
29/09/2001 11283 99.927% 2404 17
14/09/2001 10962 99.925% 2441 18
27/07/2001 10006 99.918% 2604 19
10/06/2001 9087 99.911% 2738 19
25/05/2001 8689 99.906% 2860 19
16/05/2001 8477 99.903% 2925 22
24/04/2001 8026 99.897% 3062 21
26/01/2001 6648 99.872% 3478 21
15/11/2000 5467 99.855% 3571 20
10/10/2000 4705 99.839% 3823 20
01/10/2000 4512 99.833% 3936 21
11/09/2000 3973 99.811% 4356 23
28/08/2000 3496 99.783% 4942 24
17/08/2000 3191 99.759% 5408 26
26/07/2000 2514 99.674% 7097 35
12/07/2000 2015 99.566% 9307 43
03/07/2000 1664 99.445% 11805 51
21/06/2000 1255 99.196% 16806 78
12/06/2000 1012 98.967% 21406 104
07/07/1999 1 unknown unknown unknown

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.

Date Total More Than Position World Position NZ
04/07/2015 4852610 96.586% 9697 36
10/04/2014 4760998 97.096% 5137 29
21/09/2012 3999944 97.098% 4245 24
12/06/2010 755746 94.920% 3181 21
23/09/2009 204119 94.690% 1823 6
26/06/2009 0 0% 34363 140

Einstein@Home

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

Date Total More Than Position World Position NZ
04/07/2015 2296079 97.370% 10613 53
10/04/2014 1837282 97.438% 23558 52
21/11/2012 1284978 97.948% 1475 37

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

Date Total Members Position World Position NZ
04/07/2015 12133219 14 1263 8
10/04/2014 11568162 14 1069 7
21/09/2012 10986525 14 822 6
05/01/2011 10474255 14 728 5
12/06/2010 8017534 12 587 2
14/08/2009 5510353 12 620 unknown
07/05/2009 4200152 19 700 unknown
25/10/2007 1799203 8 690 unknown
03/02/2007 1010076 9 820 unknown
05/12/2006 (4) 680265 9 1060 unknown
08/08/2005 42635 12 1050 unknown
17/01/2005 37293 12 1220 unknown
29/11/2003 26706 12 unknown unknown
06/06/2003 23610 11 unknown unknown
03/03/2003 22026 10 unknown unknown
04/06/2002 18235 8 unknown unknown
04/02/2002 17061 8 unknown unknown
14/09/2001 14357 8 unknown unknown
27/07/2001 13085 7 unknown unknown
24/04/2001 10517 6 unknown unknown
26/01/2001 8645 5 unknown unknown
10/10/2000 6237 5 unknown unknown
23/08/2000 3438 4 unknown unknown
10/08/2000 2968 3 unknown unknown
21/07/2000 2254 2 unknown unknown
12/07/2000 1933 2 unknown unknown

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

Goal Achieved
Total World Domination! -
Top 5 in New Zealand -
Top 1000 in World 04/08/2017
Top 0.1% of World Users 20/10/2016
20 million BOINC units 26/09/2016
Top 2000 in World 02/08/2016
Top 10 in New Zealand 17/06/2016
10 million BOINC units 01/09/2012
5 million BOINC units 01/11/2010
Top 2500 in World 12/06/2010
3 million BOINC units 20/03/2010
Top 4000 in World 17/10/2009
Top 20 in New Zealand 15/10/2009
Top 5000 in World 14/08/2009
1 million BOINC units 18/06/2009
700000 BOINC units (5) 07/05/2009
20000 classic units 07/08/2005
10000 units 26/07/2001
More than 99.9% in World 12/05/2001
Top 3000 in World 14/05/2001
5000 units 24/10/2000
Top 20 in New Zealand 08/10/2000
Top 5000 in World 27/08/2000
3000 units 11/08/2000
2000 units 10/07/2000
Top 10000 in world 06/07/2000
Top 50 in New Zealand 05/07/2000
Top 20000 in World 15/06/2000
More than 99% in World 14/06/2000
Top 100 in New Zealand 13/06/2000
1000 units 11/06/2000

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.


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