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DTSTAMP:20181221T160728Z
LOCATION:D165
DTSTART;TZID=America/Chicago:20181112T143000
DTEND;TZID=America/Chicago:20181112T150000
UID:submissions.supercomputing.org_SC18_sess161_ws_pmbsf113@linklings.com
SUMMARY:Evaluating SLURM Simulator with Real-Machine SLURM and Vice Versa
DESCRIPTION:Workshop\nBenchmarks, Parallel Programming Languages, Librarie
 s, and Models, Performance, Simulation, Workshop Reg Pass\n\nEvaluating SL
 URM Simulator with Real-Machine SLURM and Vice Versa\n\nJokanovic, D'Amico
 , Corbalan\n\nHaving a precise and a fast job scheduler model that resembl
 es the real-machine job scheduling software behavior is extremely importan
 t in the field of job scheduling. The idea behind SLURM simulator is prese
 rving the original code of the core SLURM functions while allowing for all
  the advantages of a simulator. Since 2011, SLURM simulator has passed thr
 ough several iterations of improvements in different research centers. In 
 this work, we present our latest improvements of SLURM simulator and perfo
 rm the first-ever validation of the simulator on the real machine. In part
 icular, we improved the simulator’s performance for about 2.6 times, made 
 the simulator deterministic across several same set-up runs, and improved 
 the simulator’s accuracy.  Its deviation from the real-machine is lowered 
 from previous 12% to at most 1.7%. Finally, we illustrate with several use
  cases the value of the simulator for job scheduling researchers, SLURM-sy
 stem administrators, and SLURM developers.
URL:https://sc18.supercomputing.org/presentation/?id=ws_pmbsf113&sess=sess
 161
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