March 19 and 20, 2019 in Sendai, Miyagi, JapanThe 29th Workshop on Sustained Simulation Performance
Toward Future HPC Technologies

Session Program
Workshop Day 1 (Tue., March 19th, 2019)9:30-

Registration

10:00-10:30

Opening Session

10:30-12:00

Session 1 ”HPC Trends I”

12:00-13:00

Lunch

13:00-14:00

Session 2 ”HPC Projects”

14:00-14:15

Break

14:15-15:45

Session 3 ”Vector Computer I”

15:45-16:00

Break

16:00-17:30

Session 4 ”Applications I”

Workshop Day 2 (Wed., March 20th, 2019)

9:30-Registration

9:50-10:50

Session 5 ”Applications II”

10:50-11:00

Break11:00-12:00

Session 6 ”HPC Trends II”

12:00-13:00

Lunch

13:00-14:30

Session 7 ”Vector Computer II”

14:30-14:45

Break

14:45-15:45

Session 8 ”Vector Computer III”

15:45-16:00

Break

16:00-17:30

Session 9 ”Applications III”

17:30-17:40

Concluding Remarks

1Workshop Day 1 (Tue., March 19th, 2019)Time

Presentation

9:30-

11:00-11:30

Registration
Opening Session
Greetings
Hiroaki Kobayashi (Tohoku Univ.)
Greetings
Takafumi Aoki (Tohoku Univ.)
Japan’s Policy in Promotion of High Performance Computing
Suzuka Sakashita (MEXT)
Session 1 ”HPC Trends I”
Chair: Mitsuo Yokokawa
On Some Aspects of Artificial Intelligence and Simulation
Michael Resch (HLRS)QA-Assisted Next Generation HPC Infrastructure: Potentials of NEC’s New Vector System

11:30-12:00

SX-Aurora TSUBASA and Its Extension for the Future
Hiroaki Kobayashi (Tohoku Univ.)
Quantitative real-time uncertainty estimation of the tsunami inundation using HPC technolo-

10:00-10:05
10:05-10:20
10:20-10:30

10:30-11:00

12:00-13:00
13:00-13:30
13:30-14:00
14:00-14:15
14:15-14:45

14:45-15:15
15:15-15:45
15:45-16:00
16:00-16:30

16:30-17:00
17:00-17:30

gies
Yusaku Ohta (Tohoku Univ.)
Lunch
Session 2 ”HPC Projects”
Chair: Sabine Roller
Current Status of Post-K Development
Yutaka Ishikawa (Riken)
Mastering the exascale challenges for engineering applications
Bastian Koller (HLRS)
BreakSession 3 ”Vector Computer I”
Chair: Kazuhiko Komatsu
Various memory access features of SX-Aurora TSUBASA: VH/VEs shared memory and NUMA
mode
Aoi Kawahara (NEC Corporation)
Using the NEC Aurora System for High-Order DG in Ateles
Harald Klimach (Univ. of Siegen)I/O profiling, monitoring and benchmark for JAMSTEC supercomputer systems
Tsuyoshi Nakagawa (JAMSTEC)
Break
Session 4 ”Applications I”
Chair: Matthias Meinke
Enhancement of the GW space-time program code for accurate prediction of the electronic
properties at surfaces and interfaces in organic electronics materials
Susumu Yanagisawa (Ryukyu Univ.)
On the Detection and Interpretation of Performance Variations of HPC Applications
Li Zhong (HLRS)
Evaluation of the Feasibility and Performance of Porting a Climate Model to GPUs
Shun Ishiguro (JAMSTEC)

2Workshop Day 2 (Wed., March 20th, 2019)
TimePresentation

9:30-

17:00-17:30

Registration
Session 5 ”Applications II”
Chair: Akihiro Musa
Estimation of flood damage in Japan with diﬀerent resolution
So Kazama (Tohoku Univ.)
Continuous and Discontinuous Galerkin methods in fluid dynamics with moving geometries
Sabine Roller (Univ. of Siegen)
Break
Session 6 ”HPC Trends II”
Chair: Kenichi Itakura
Acceleration with Machine Learning
Thomas Ludwig (DKRZ)Supercomputing Education: Towards [Reasonably] High Sustained Simulation Performance
Vladimir Voevodin (Moscow State Univ.)
Lunch
Session 7 ”Vector Computer II”
Chair: Harald Klimach
VE Hybrid Coding with py-veo and HAM
Erich Focht (NEC Deutch)
Memory First! A performance tuning strategy focusing on memory access patterns
Hiroyuki Takizawa (Tohoku Univ.)
Vectorizing LLVM IR for SX-Aurora
Simon Moll (Saarland Univ.)
Break
Session 8 ”Vector Computer III”
Chair: Ryusuke Egawa
Development of optimized COAWST for the vector supercomputers
Shivanshu Singh (NEC Technologies India)
Performance of I/O in Fortran and C on the SX-Aurora TSUBASA
Mitsuo Yokokawa (Kobe Univ.)
Break
Session 9 ”Applications III”
Chair: Bastian Koller
HPC based Mitigation of Aeroacoustic Noise
Matthias Meinke (RWTH Aachen Univ.)
From Proposal to Publication - The Lifecycle of an HPC Project at HLRS
Manuela Wossough / Thomas Beisel (HLRS)
Multi-Physics and Multi-Scale - Coupled simulation of fluid flow and rigid body interaction

17:30-17:40

induced aero-acoustics
Neda Ebrahimi Pour (Univ. of Siegen)
Concluding Remarks

9:50-10:20
10:20-10:50
10:50-11:00
11:00-11:30
11:30-12:00
12:00-13:00
13:00-13:30
13:30-14:00
14:00-14:30
14:30-14:45
14:45-15:15
15:15-15:45
15:45-16:00
16:00-16:30
16:30-17:00

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