OpenMP: Portable Multi-Level Parallelism on Modern Systems: 16th International Workshop on OpenMP, IWOMP 2020, Austin, TX, USA, September 22–24, 2020, Proceedings

Front Matter ....Pages i-xi
Front Matter ....Pages 1-1
 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
 Evaluating the Efficiency of OpenMP Tasking for Unbalanced Computation on Diverse CPU Architectures  (Stephen L. Olivier)....Pages 18-33
Front Matter ....Pages 35-35
 A Case Study of Porting HPGMG from CUDA to OpenMP Target Offload  (Christopher Daley, Hadia Ahmed, Samuel Williams, Nicholas Wright)....Pages 37-51
 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
 Evaluating Performance of OpenMP Tasks in a Seismic Stencil Application  (Eric Raut, Jie Meng, Mauricio Araya-Polo, Barbara Chapman)....Pages 67-81
Front Matter ....Pages 83-83
 Unified Sequential Optimization Directives in OpenMP  (Brandon Neth, Thomas R. W. Scogland, Michelle Mills Strout, Bronis R. de Supinski)....Pages 85-97
 Supporting Data Shuffle Between Threads in OpenMP  (Anjia Wang, Xinyao Yi, Yonghong Yan)....Pages 98-112
Front Matter ....Pages 113-113
 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
 A Case Study on Addressing Complex Load Imbalance in OpenMP  (Fabian Orland, Christian Terboven)....Pages 130-145
Front Matter ....Pages 147-147
 On-the-fly Data Race Detection with the Enhanced OpenMP Series-Parallel Graph  (Nader Boushehrinejadmoradi, Adarsh Yoga, Santosh Nagarakatte)....Pages 149-164
 AfterOMPT: An OMPT-Based Tool for Fine-Grained Tracing of Tasks and Loops  (Igor Wodiany, Andi Drebes, Richard Neill, Antoniu Pop)....Pages 165-180
 Co-designing OpenMP Features Using OMPT and Simulation Tools  (Matthew Baker, Oscar Hernandez, Jeffrey Young)....Pages 181-194
Front Matter ....Pages 195-195
 sOMP: Simulating OpenMP Task-Based Applications with NUMA Effects  (Idriss Daoudi, Philippe Virouleau, Thierry Gautier, Samuel Thibault, Olivier Aumage)....Pages 197-211
 Virtflex: Automatic Adaptation to NUMA Topology Change for OpenMP Applications  (Runhua Zhang, Alan L. Cox, Scott Rixner)....Pages 212-227
Front Matter ....Pages 229-229
 Using OpenMP to Detect and Speculate Dynamic DOALL Loops  (Bruno Chinelato Honorio, João P. L. de Carvalho, Munir Skaf, Guido Araujo)....Pages 231-246
 ComPar: Optimized Multi-compiler for Automatic OpenMP S2S Parallelization  (Idan Mosseri, Lee-Or Alon, Re’Em Harel, Gal Oren)....Pages 247-262
Front Matter ....Pages 263-263
 OpenMP Device Offloading to FPGAs Using the Nymble Infrastructure  (Jens Huthmann, Lukas Sommer, Artur Podobas, Andreas Koch, Kentaro Sano)....Pages 265-279
 Data Transfer and Reuse Analysis Tool for GPU-Offloading Using OpenMP  (Alok Mishra, Abid M. Malik, Barbara Chapman)....Pages 280-294
 Toward Supporting Multi-GPU Targets via Taskloop and User-Defined Schedules  (Vivek Kale, Wenbin Lu, Anthony Curtis, Abid M. Malik, Barbara Chapman, Oscar Hernandez)....Pages 295-309
Front Matter ....Pages 311-311
 Preliminary Experience with OpenMP Memory Management Implementation  (Adrien Roussel, Patrick Carribault, Julien Jaeger)....Pages 313-327
 A Study of Memory Anomalies in OpenMP Applications  (Lechen Yu, Joachim Protze, Oscar Hernandez, Vivek Sarkar)....Pages 328-342
Back Matter ....Pages 343-344