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DTSTART:19700308T020000
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DTSTAMP:20260522T150117Z
LOCATION:D170
DTSTART;TZID=America/Chicago:20181111T111400
DTEND;TZID=America/Chicago:20181111T113000
UID:submissions.supercomputing.org_SC18_sess149_ws_mchpc104@linklings.com
SUMMARY:xBGAS: Toward a RISC-V ISA Extension for Global, Scalable, Shared 
 Memory
DESCRIPTION:John Leidel (Tactical Computing Laboratories), Xi Wang and Yon
 g Chen (Texas Tech University), David Donofrio and Farzad Fatollahi-Fard (
 Lawrence Berkeley National Laboratory), and Kurt Keville (Massachusetts In
 stitute of Technology)\n\nGiven the switch from monolithic architectures t
 o integrated systems of commodity components, scalable high performance co
 mputing architectures often suffer from unwanted latencies when operations
  depart an individual device domain.  Transferring control and/or data acr
 oss loosely coupled commodity devices implies a certain degree of cooperat
 ing in the form of complex system software.  The end result being a total 
 system architecture the operates with low degrees of efficiency.  \n\nThis
  work presents initial research into creating micro architecture extension
 s to the RISC-V instruction set that provide tightly coupled support for c
 ommon high performance computing operations.  This xBGAS micro architectur
 e extension provides applications the ability to access globally shared me
 mory blocks directly from rudimentary instructions.  The end result is a h
 ighly efficient micro architecture for scalable shared memory programming 
 environments.\n\nTag: Memory, NVRAM, Parallel Programming Languages, Libra
 ries, and Models\n\nRegistration Category: Workshop Reg Pass\n\nSession Ch
 airs: Ron Brightwell (Sandia National Laboratories); Maya Gokhale (Lawrenc
 e Livermore National Laboratory (LLNL)); Xian-He Sun (Illinois Institute o
 f Technology); and Yonghong Yan (University of North Carolina, Charlotte)\
 n\n
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