Message boards :
Sixtrack Application :
How to stack 100s of tasks?
Message board moderation
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Send message Joined: 23 Dec 16 Posts: 26 Credit: 776,007 RAC: 0  
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Clearly im missing a trick here... Checking some users via the stats system, Its clear to see some members have for example 8 cores, yet have 100 plus tasks in progress... so how are they doing it? Max amount of WU's someone can get from LHC is 24 unless they have more than 24 cores, so how have these users with less than 24 cores got over 100 tasks? |
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Send message Joined: 14 Jan 10 Posts: 1429 Credit: 9,541,076 RAC: 5,106  |
For me no trick. For a 14-core system I've a work-preference created allowing only SixTrack and had set Max # jobs No limit Max # CPUs No limit and got 12 tasks on first request and another 13 tasks on second request. |
 Robert PickSend message Joined: 1 Dec 05 Posts: 62 Credit: 11,441,610 RAC: 0 |
I have an I7 chip in my machine that is a 4 core processor and utilizes 8 threads, 2 for each processor. Each thread is capable of receiving 14 work units. Thus allowing me to receive 112 tasks when running a full load. Not bad for a 4 core processor! Pick |
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Send message Joined: 23 Dec 16 Posts: 26 Credit: 776,007 RAC: 0
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I have an I7 chip in my machine that is a 4 core processor and utilizes 8 threads, 2 for each processor. Each thread is capable of receiving 14 work units. Thus allowing me to receive 112 tasks when running a full load. Not bad for a 4 core processor! Pick not quite following how this works Robert?!?! 4 cores... thread for each core so that's 2 threads per core so that's 8 useable cores?? |
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Send message Joined: 24 Jul 16 Posts: 88 Credit: 239,917 RAC: 0 
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@ Robert Pick : 36511150 17113386 6 May 2014, 13:28:43 UTC 6 May 2014, 13:33:10 UTC Erreur en cours de calculs 1.05 0.06 --- sixtracktest v451.05 (sse2) 14696095 6752043 10 Mar 2013, 15:47:35 UTC 10 Mar 2013, 18:58:57 UTC Terminé et validé 10,996.50 10,971.66 59.26 SixTrack v444.01 (pni) Just to say , It seems there is a bug about the date in your tasks list. |
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Robert Pick Send message Joined: 1 Dec 05 Posts: 62 Credit: 11,441,610 RAC: 0 |
Hummm! That is certainly not my task list!!! Pick |
Magic Quantum Mechanic Send message Joined: 24 Oct 04 Posts: 1182 Credit: 55,591,333 RAC: 50,532 
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Hummm! That is certainly not my task list!!! Pick https://lhcathome.cern.ch/lhcathome/show_host_detail.php?hostid=10190874 https://lhcathome.cern.ch/lhcathome/results.php?hostid=10190874 Volunteer Mad Scientist For Life 
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