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BigData processing at present and future LHC experiments
Published on Oct 20, 20161534 Views
In this talk we discuss the various aspects of the computing resource needs experiments in High Energy Physics, in particular at the Large Hadron Collider (LHC), have encountered so far and how this w
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Chapter list
Big Data processing at present and future LHC experiments00:00
Where to begin?00:42
What we (think we) know: The Standard Model01:08
The SM seems to work very well …01:46
The Laboratory: CERN02:42
More than 12000 scientists from all over the world03:31
The Machine: LHC03:49
Big System04:39
The Detectors at LHC05:03
Scale of ATLAS and CMS?05:20
It has been a long way...05:56
A fantastic set of results06:28
LHC Upgrade Timeline 06:42
HE(N)P Computing before LHC07:42
LHC detector data09:27
➔ ~1 Petabyte per second?10:29
Collision at the LHC 11:04
LHC Data Acquisition (T/DAQ) ATLAS Example12:11
Data Collection and Archiving at CERN13:05
Data recording at CERN13:18
Archival storage at the Tier-013:33
The Big Data Flow13:50
WLCG tiered structure14:22
Distributed Computing Environment Technologies15:15
The Worldwide LHC Computing Grid - 116:42
The Worldwide LHC Computing Grid - 217:14
LHCOPN TOTAL Trafifc18:09
LHCONE18:23
Online monitoring18:33
Data Transfer Volume in WLCG19:00
Networking - probably good news… - 119:16
Networking - probably good news… - 220:05
Comparing to the World Outside21:13
Data Processing flow22:04
Data Analysis: Simplistic View - 123:18
Data Analysis: Simplistic View - 224:39
Processing Types in HEP: Simulation example25:18
Simulation is complex at all levels 26:13
ATLAS Distributed Computing Activities - 127:05
ATLAS Distributed Computing Activities - 227:38
High Performance Computing!27:45
What is a supercomputer?28:59
ATLAS@home Contribution30:12
ATLAS S&C 10 years from now...30:51
What is pile-up?32:06
Event at HL-LHC33:32
‘Flat Budget Interpretation’33:47
Storage:Comparing to the World Outside - 135:25
Storage:Comparing to the World Outside - 235:49
CPU: Online + Offline36:06
HL-LHC will create a computational problem36:33
Will Moore and friends save us?37:41
But it is unlikely to happen…37:52
Times are changing…39:12
Adapting to Modern CPUs - 139:34
Adapting to Modern CPUs - 240:48
Adapting to Modern CPUs - 341:18
Adapting to Modern CPUs - 441:29
Current Data Processing and Management Tools - 242:02
What Will our Computing Sites Look Like? - 142:09
What Will our Computing Sites Look Like? - 242:44
Future Computing Resources42:46
What will we find?43:37
Data: Outlook for HL-LHC48:04
Current Data Processing and Management Tools - 150:30