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DTSTAMP:20200129T163556Z
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DTSTART;TZID=America/Denver:20191122T092500
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UID:submissions.supercomputing.org_SC19_sess130_ws_ipdrm103@linklings.com
SUMMARY:Assessing the Performance Impact of Using an Active Global Address
  Space in HPX: A Case for AGAS
DESCRIPTION:Workshop\n\nAssessing the Performance Impact of Using an Activ
 e Global Address Space in HPX: A Case for AGAS\n\nAmini, Kaiser\n\nIn this
  research, we describe the functionality of AGAS (Active Global Address Sp
 ace), a subsystem of the HPX runtime system that is designed to handle dat
 a locality at runtime, independent of the hardware and architecture config
 uration. AGAS enables transparent runtime global data access and data migr
 ation, but incurs a an overhead cost at runtime. We present a method to as
 sess the performance of AGAS and the amount of impact it has on the execut
 ion time of the Octo-Tiger application. With our assessment method we iden
 tify the four most expensive AGAS operations in HPX and demonstrate that t
 he overhead caused by AGAS is negligible.\n\nTag: Workshop Reg Pass, Compi
 ler Analysis and Optimization, Middleware, Parallel Programming Languages,
  Libraries, and Models, Runtime Systems\n\nRegistration Category: Workshop
  Reg Pass, Compiler Analysis and Optimization, Middleware, Parallel Progra
 mming Languages, Libraries, and Models, Runtime Systems
URL:https://sc19.supercomputing.org/presentation/?id=ws_ipdrm103&sess=sess
 130
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