What is LHC@home?

This a volunteer computing project that uses Internet-connected computers to advance Particle and Accelerator Physics. Participate by downloading and running a free program on your computer. By default, you can run the classic LHC@home application Sixtrack, for simulations of accelerator physics, and help researchers at CERN to improve the LHC.

Other LHC@home simulations that utilizes virtualization to run applications for Theory and experiment simulations for ATLAS, CMS and LHCb are also available.

Please note that some of the applications on LHC@home requre Virtual Box to be installed. Please visit the LHC@home information site for more information. If you have any problems or questions please visit the Message Boards, Questions and Answers and FAQ.

Join LHC@home

User of the Day

User profile Profile Tobias Becke [Gridcoin]
I started crunch BOINC in November 2014 after I was talking to a friend about the waste of hardware that was catching dust rather than do something...

News

Server outage - uploads failing
Due to a network problem in the CERN computer centre early Thursday morning, our BOINC servers have lost access to a storage cluster. Hence uploads are failing and access to web pages as well. Hopefully this should be fixed soon.
23 Jan 2020, 7:31:25 UTC · Discuss


CMS@Home disruption this week
It appears that a database intervention at CERN went badly, leaving our data tables empty and us not being able to submit new CMS@Home jobs. Advice is that it will take several days to recover -- and as well as that some of the major players are in the USA, which has holidays for the rest of this week. I'll keep an eye on it, but I'm doubtful we'll be running again this week. Sorry 'bout that!
Happy Thanksgiving...
27 Nov 2019, 8:21:06 UTC · Discuss


Database intervention Monday morning
LHC@home and associated BOINC services will be unavailable for about 1 hour on Monday 25th of November due to a database storage intervention.

Thanks for your understanding and happy crunching.
22 Nov 2019, 13:38:09 UTC · Discuss


CMS job shortage Wednesday 13th November
CMS IT will be installing a new version of WMAgent on Wednesday. This will impact job availability for the duration of the intervention. We might be able to eliminate the little gremlin that's been plaguing us for the last few weeks, too.
So, please set your CMS processors to No New Tasks sometime tomorrow, Tuesday 12th, so that current tasks will stop requesting new jobs before the queues get cut. I'll let you know when jobs are available again.
Thanks.
11 Nov 2019, 15:49:27 UTC · Discuss


Server upgrade
Following a couple of weeks of tests in the LHC@home development project, we are upgrading our production server cluster to BOINC server release 1.2 this afternoon. During the update we will be running with slightly lower server capacity than usual.
30 Sep 2019, 11:56:49 UTC · Discuss


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