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OpenMP: Portable Multi-Level Parallelism on Modern Systems

16th International Workshop on OpenMP, IWOMP 2020, Austin, TX, USA, September 22–24, 2020, Proceedings

  • Conference proceedings
  • © 2020

Overview

Editors:
  1. Kent Milfeld

    1. Texas Advanced Computing Center (TACC), Austin, USA

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  2. Bronis R. de Supinski

    1. Lawrence Livermore National Laboratory, Livermore, USA

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  3. Lars Koesterke

    1. Texas Advanced Computing Center (TACC), Austin, USA

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  4. Jannis Klinkenberg

    1. RWTH Aachen University, Aachen, Germany

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Part of the book series: Lecture Notes in Computer Science (LNCS, volume 12295)

Part of the book sub series: Programming and Software Engineering (LNPSE)

Included in the following conference series:

Conference proceedings info: IWOMP 2020.

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Table of contents (21 papers)

  1. Front Matter

    Pages i-xi
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  2. Performance Methodologies

    1. Front Matter

      Pages 1-1
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    2. FAROS: A Framework to Analyze OpenMP Compilation Through Benchmarking and Compiler Optimization Analysis

      • Giorgis Georgakoudis, Johannes Doerfert, Ignacio Laguna, Thomas R. W. Scogland
      Pages 3-17

    3. Evaluating the Efficiency of OpenMP Tasking for Unbalanced Computation on Diverse CPU Architectures

      • Stephen L. Olivier
      Pages 18-33

  3. Applications

    1. Front Matter

      Pages 35-35
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    2. A Case Study of Porting HPGMG from CUDA to OpenMP Target Offload

      • Christopher Daley, Hadia Ahmed, Samuel Williams, Nicholas Wright
      Pages 37-51

    3. P-Aevol: An OpenMP Parallelization of a Biological Evolution Simulator, Through Decomposition in Multiple Loops

      • Laurent Turpin, Thierry Gautier, Jonathan Rouzaud-Cornabas, Christian Perez
      Pages 52-66

    4. Evaluating Performance of OpenMP Tasks in a Seismic Stencil Application

      • Eric Raut, Jie Meng, Mauricio Araya-Polo, Barbara Chapman
      Pages 67-81

  4. OpenMP Extensions

    1. Front Matter

      Pages 83-83
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    2. Unified Sequential Optimization Directives in OpenMP

      • Brandon Neth, Thomas R. W. Scogland, Michelle Mills Strout, Bronis R. de Supinski
      Pages 85-97

    3. Supporting Data Shuffle Between Threads in OpenMP

      • Anjia Wang, Xinyao Yi, Yonghong Yan
      Pages 98-112

  5. Performance Studies

    1. Front Matter

      Pages 113-113
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    2. Towards an Auto-Tuned and Task-Based SpMV (LASs Library)

      • Sandra Catalán, Tetsuzo Usui, Leonel Toledo, Xavier Martorell, Jesús Labarta, Pedro Valero-Lara
      Pages 115-129

    3. A Case Study on Addressing Complex Load Imbalance in OpenMP

      • Fabian Orland, Christian Terboven
      Pages 130-145Open Access

  6. Tools

    1. Front Matter

      Pages 147-147
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    2. On-the-fly Data Race Detection with the Enhanced OpenMP Series-Parallel Graph

      • Nader Boushehrinejadmoradi, Adarsh Yoga, Santosh Nagarakatte
      Pages 149-164

    3. AfterOMPT: An OMPT-Based Tool for Fine-Grained Tracing of Tasks and Loops

      • Igor Wodiany, Andi Drebes, Richard Neill, Antoniu Pop
      Pages 165-180

    4. Co-designing OpenMP Features Using OMPT and Simulation Tools

      • Matthew Baker, Oscar Hernandez, Jeffrey Young
      Pages 181-194

  7. NUMA

    1. Front Matter

      Pages 195-195
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    2. sOMP: Simulating OpenMP Task-Based Applications with NUMA Effects

      • Idriss Daoudi, Philippe Virouleau, Thierry Gautier, Samuel Thibault, Olivier Aumage
      Pages 197-211
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  1. OpenMP: Portable Multi-Level Parallelism on Modern Systems

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About this book

This book constitutes the proceedings of the 16th International Workshop on OpenMP, IWOMP 2020, held in Austin, TX, USA, in September 2020. The conference was held virtually due to the COVID-19 pandemic.

The 21 full papers presented in this volume were carefully reviewed and selected for inclusion in this book. The papers are organized in topical sections named: performance methodologies; applications; OpenMP extensions; performance studies; tools; NUMA; compilation techniques; heterogeneous computing; and memory.

The chapters ‘A Case Study on Addressing Complex Load Imbalance in OpenMP’ and ‘A Study of Memory Anomalies in OpenMP Applications’ are available open access under a Creative Commons Attribution 4.0 License via link.springer.com.

Editors and Affiliations

  • Texas Advanced Computing Center (TACC), Austin, USA

    Kent Milfeld, Lars Koesterke

  • Lawrence Livermore National Laboratory, Livermore, USA

    Bronis R. de Supinski

  • RWTH Aachen University, Aachen, Germany

    Jannis Klinkenberg

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