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DTSTAMP:20260422T143140Z
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DTSTART;TZID=America/New_York:20241118T120900
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UID:submissions.supercomputing.org_SC24_sess755_ws_prot112@linklings.com
SUMMARY:ActorProf: A Framework for Profiling and Visualizing Fine-grained 
 Asynchronous Bulk Synchronous Parallel Execution
DESCRIPTION:Jiawei Yang, Shubhendra Pal Singhal, Jun Shirako, Akihiro Haya
 shi, and Vivek Sarkar (Georgia Institute of Technology)\n\nA Fine-grained 
 Asynchronous Bulk Synchronous Parallel (FA-BSP) model is an extended versi
 on of the existing BSP model that facilitates fine-grained asynchronous po
 int-to-point messages with automatic message aggregation. \n\nWhile there 
 are many large irregular applications written with the FA-BSP model, demon
 strating promising performance, no profiler is aware of profile-worthy por
 tions of an FA-BSP program and visualizes the results in an intuitive way.
  This is reasonable because the FA-BSP program relies on multiple external
  libraries, and the runtime frequently switches between different portions
  of the program, which makes it difficult for well-established profilers l
 ike score-p, TAU, CrayPat, Vtune, and HPCToolkit to profile and visualize 
 these portions in an FA-BSP-friendly manner.\n\nThis paper designs and imp
 lements a profiling and visualization framework called ActorProf. The fram
 ework enables 1) asynchronous point-to-point message-aware profiling with 
 hardware performance counters, 2) overall performance breakdown that is aw
 are of FA-BSP execution, and 3) visualization of these profiling results.\
 n\nTag: Debugging and Correctness Tools, Performance Evaluation and/or Opt
 imization Tools\n\nRegistration Category: Workshop Reg Pass\n\nSession Cha
 irs: David Boehme (Lawrence Livermore National Laboratory (LLNL)); Kate Is
 aacs (University of Utah); Carmen Navarrete (Leibniz Supercomputing Centre
  (LRZ)); and Emmanuelle Saillard (CEA, DAM, DIF)\n\n
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