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DTSTAMP:20230124T171527Z
LOCATION:C155
DTSTART;TZID=America/Chicago:20221114T163000
DTEND;TZID=America/Chicago:20221114T170000
UID:submissions.supercomputing.org_SC22_sess453_ws_pmbsf110@linklings.com
SUMMARY:High-Performance GMRES Multi-Precision Benchmark: Design, Performa
 nce, and Challenges
DESCRIPTION:Workshop\n\nHigh-Performance GMRES Multi-Precision Benchmark: 
 Design, Performance, and Challenges\n\nYamazaki, Rajamanickam, Loe, Glusa,
  Dongarra...\n\nWe propose a new benchmark for ranking high-performance (H
 P) computers. The new benchmark is designed to rank the computers based on
  how fast they can solve a sparse linear system of equations, exhibiting c
 omputational and communication requirements typical in many scientific app
 lications. The main novelty of the new benchmark is that it provides the f
 lexibility to utilize lower precision arithmetic. This is motivated by the
  observations that some new hardware architectures deliver lower-precision
  arithmetic at higher performance. There are other machines that do not fo
 llow this trend. However, using a lower-precision arithmetic reduces the r
 equired amount of data transfer, which alone could improve the solver perf
 ormance. We present our initial design of the new benchmark, and its refer
 ence implementation and performance on different architectures. We also di
 scuss challenges of designing such a benchmark.\n\nSession Format: Recorde
 d\n\nTag: Applications, Architectures, Benchmarking, Exascale Computing, M
 odeling and Simulation, Performance, Performance Portability\n\nRegistrati
 on Category: Workshop Reg Pass
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