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Active Distributed Computing Projects - Science |
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Project Information | Project % Complete | Major Supported Platforms |
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Science | ||
Search for extra-terrestrial radio signals at
SETI@home. Version 3.07 of
the client is available for Windows as of March 12, 2002 and for Mac OS X
as of April 4, 2002. Version 3.03
for all other platforms is available as of December 13, 2000. The latest
newsletter, #16, was published December 17, 2002. A
Glossary of
Concepts is available to explain the project's unique terminology. SETI@Home is the largest public distributed computing project in terms of computing power: on September 26, 2001 it reached the ZettaFLOP (1021 floating point operations) mark--a new world record--performing calculations at an average of 71 TeraFLOPs/second. For comparison, the fastest individual computer in the world is IBM's ASCI White, which runs at 12.3 TeraFLOPs/second. On June 1, 2002, the project completed over 1 million CPU years of computation. As of June 14, 2002, the project has found 3.2 billion spikes and 266 million Gaussians. See the best candidate signals found so far. Check the status of the SETI@home data server and tapes. View derived statistics for SETI@home. Get answers to all of your SETI@home questions in the SETI@home FAQ. View the SETI@home discussion boards. See the project's future plans. The timeline was last updated December 2, 2002. Read a short research paper, written in 1998, about the origins of SETI and SETI@home. See a Powerpoint slide presentation about Berkeley Open Infrastructure for Network Computing (BOINC), the open-source software architecture which will be used for SETI@home II. These slides were used for a presentation at the 2002 O'Reilly Emerging Technology Conference.
See my SETI@home stats. |
ongoing (721,308,716 total work units processed) |
|
Help the Analytical Spectroscopy Research Group (ASRG) in their SETI project. Their system has the same basic goal as SETI@Home, but it uses a more manual process: you download work units from a web page, process them with one of three tools, and email results back to the project coordinator. More information can be found on the volunteer page. | ongoing |
|
Participate in various volunteer science- and
medical-oriented research projects at
Entropia. Sign
up to receive information about how to download the client.
Entropia 3000, the new version of the client, is available as of April 30, 2001. If you already have the Entropia 2000 client installed, exit it and restart it to automatically download the new client (the upgrade file for the new client is 5.1 MB). The member site contains stats about all of the current projects, and other information. |
multiple projects ongoing |
|
evolution@home
is a grand-challenge computation research
program to study evolution. The first simulator for the project "helps
uncover potential genetic causes of extinction for endangered and
not-yet-endangered species by investigating Mullers Ratchet. Your help to
improve understanding of such genomic decay might one day be used to fight it."
As of October 24, 2002, more than 16.3 years of CPU time have been contributed
to the project.
On October 24, 2002, Laurence Loewe published the first scientific paper, "evolution@home: Experiences with work units that span more than 7 orders of magnitude in computational complexity," based on the results of the project. This paper was presented at CCGrid 2002 in May, 2002. To participate, download the client, then select a run-file based on the amount of RAM you can dedicate to the application and the amount of time you want the application to run, then run the application and email the results file. See more information about the client in an overview. Release 6, for Windows and Macintosh, is available as of October 7, 2002. Please upgrade to this version if you are using an older version. Release 6 of the run-files is also available as of October 7, 2002. See high scores for the project. Join an unofficial discussion forum about the project. An old version of the site is available in German. |
ongoing: 93,455.3 billion individuals observed in 18.3 years of CPU time |
|
Help research techniques for "calculating the long time
dynamics of systems" in the
eOn project.
From the website: "A common problem in theoretical chemistry, condensed matter
physics and materials science is the calculation of the time evolution of an
atomic scale system where, for example, chemical reactions and/or diffusion
occur." Interesting events occur so rarely that they can only be observed
in direct simulations by using a distributed computing environment. See
a brief scientific
overview for a more detailed description of this problem. The project
works in a similar way to
Folding@Home in that results from one set of work units are used to
generate the next set of work units. Unlike Folding@Home, it is not critical
if some users don't return the results of their work units within a time
limit or at all. The current project studies ice growth.
The application is built on the Fida and Mithral distributed computing platforms. The Windows client can run as a screensaver (which doesn't show any information about what it's doing), or as a command-line client (run the client.exe executable in the installed directory). Note that although you have the option to install the client in any directory, the screensaver expects it to be installed in C:\Program Files\UW Chemistry\ Eon (this bug will be fixed soon). The Linux client is command-line only. The application supports users behind proxy servers. Edit the client.cfg file: change active to yes, and add your proxy server hostname and port number. Note: on Windows, only use notepad to edit client.cfg. wordpad and the DOS edit command strip off important end-of-line characters in the file and client.exe will reset it to its default values. In dtpad you will see an empty rectangle character after each field: this is the end-of-line character and it must not be removed. Join an unofficial discussion forum, hosted by team Terrene Bell, about the project. |
ongoing: 64 years, 3 days total time |
|
climateprediction.net
will use a large-scale Monte Carlo simulation
to predict Earth's climate 50 years from now. The project is being
implemented in a series of
experiments. The client is in alpha testing as of October, 2002. A
public beta test was planned for early November, 2002, but has not begun yet.
A public release should be available by early 2003.
This is a very large project with large system requirements for participants:
OS: Windows 95, Windows 98, Windows ME, Windows 2000 Professional, or Windows NT 4.0 Participants don't need a permanent internet-connection: they only need to connect to the project server to get assignments and return results. |
beta testing should start on December 13, 2002, and the project should begin around March, 2003 |
|
Help design a more efficient particle accelerator in
Stephen Brooks'
Distributed
Particle Accelerator Design project. The project "simulates both the
pion-to-muon decay channel (grey cylinders surrounding a straight blue path)
and the reverse bending chicane (purple and grey field areads) of the RAL
Neutrino Factory front end design," but "only the design parameters of the
solenoid channel are optimised because the bending part is designed with
fixed optical properties and proper optimisation of that would require a
sophisticated magnet-design code." This project differs from the previous
version in that the solenoid channel "is being designed to produce a beam
that allows the most muons to go through the complex second part of the
apparatus, rather than simply any-shaped beam with a lot of muons in it."
The client does not need to contact a project server to get work. It submits results via ftp whenever it accumulates more than 100 Kbytes of results. The software also includes a separate ftp client which you can use to submit results manually. The Windows version of the client can be run as a screen-saver or from the command-line. Version 4.21b of the client is available for Windows and Linux as of August 11, 2002, and for Solaris, via a separate website as of November 11, 2002. Note: the project is transitioning to use multiple ftp servers for uploading results: for now, please download and use the manualsend or multisend utility from the project website to submit results. Version 4.21b of the client contains bug fixes for version 4.2 and 4.21a. Version 4.2 has many new features, such as the ability to explore a much larger design space, a much more accurate simulation model, and an auto-save feature which saves your progress in a work unit every three minutes. Please upgrade to this version if you are running an older version. The Best 250 Results file for the project was last updated October 27, 2002. Note: if you have downloaded this file, please be aware that the first 16 results are corrupted and that you should delete them from the file before using it. |
251,244,579,109 total particles simulated 3.673% best muon transfer |
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