Sixtrack

SIXTRACK is a research project that uses Internet-connected computers to advance Accelerator Physics. Participate by downloading and running a free program on your computer.

SIXTRACK is based at CERN. You can run it under the LHC@home application. Read more about the:

Join Sixtrack

  • Read our rules and policies
  • This project uses BOINC. If you're already running BOINC, select Add Project. If not, download BOINC.
  • When prompted, select LHC@home from the list of projects, or simply enter:
    https://lhcathome.cern.ch/lhcathome/
  • If you're running a command-line version of BOINC, create an account first.
  • If you have any problems, get help here.

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User of the day

User profile Profile Icheb
American / Michigan native / late 30's / follows IndyCars

News

ATLAS application now in production
The ATLAS application is now in production here on LHC@home, after a period of testing. This marks another milestone for the LHC@home consolidation, and we would like to warmly thank all of you who have contributed to help and tests for the migration!

Please refer to Yeti's checklist for the the ATLAS application and the ATLAS application forum if you need help.
22 Mar 2017, 15:45:58 UTC · Comment


Network interruptions 15th of March
Due to a network upgrade in the CERN computer centre, connections to LHC@home servers will intermittently time out tomorrow Wednesday morning between 4 and 7am UTC.

BOINC clients will retry later as usual, so this should be mostly transparent.
14 Mar 2017, 9:58:26 UTC · Comment


VLHCathome project fully migrated
The former vLHCathome project has now been migrated here and the old vLHCathome project site has been redirected.

The credit has also been migrated as discussed in this thread.

If your BOINC client complains about a wrong project URL, please re-attach to this project, LHC@home.

Thanks again to all who contributed to vLHCathome and to those who contribute here!

-- The team
2 Mar 2017, 8:35:49 UTC · Comment


Draining the CMS job queue
Because of an upgrade to the WMAgent server, we need to drain the CMS job queue. So, I'm not submitting any more batches at present and we should start running out over the weekend. If you see that you are not getting any CMS jobs (not tasks...) please set No New Jobs or stop BOINC.
I expect that the intervention will take place Monday morning, and hopefully we'll have new jobs again later that day.
17 Feb 2017, 10:57:18 UTC · Comment


Good news for the CMS@Home application
This afternoon we demonstrated the final link in the chain of producing Monte Carlo data for CMS using this project (and the -dev project too, of course), namely the transfer of result files from the temporary Data Bridge storage to a CMS Tier 2 site's storage element (SE). To summarise, the steps are:

o Creating a configuration script defining the process(es) to be simulated
o Submitting a batch of jobs of duration and result-file size suitable for running by volunteers
o Having those jobs picked up by volunteers running BOINC and the CMS@Home application, and the result files returned to the Data Bridge
o Running "merge" jobs on a small cluster at CERN to collect the smaller files into larger files (~2.2 GB) -- this step has to be done at CERN as most volunteers will not have the bandwidth (or data plan!) to handle the data volumes required. This step also serves to a large extent as the verification step required to satisfy CMS of the result files' integrity.
o Transferring the merged files into the Grid environment where they are then readily available to CMS researchers around the world

Thanks, everybody. From here on it gets more political, but we've been garnering support as the project progressed. We now need to move into a more "production" environment and convince central powers-that-be to take over the responsibility of submitting suitable workflows and collecting the results. You will still see some changes in the future, especially as we bring some of the more-advanced features across here from the -dev project.
27 Jan 2017, 20:59:36 UTC · Comment


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