201428th International Conference on Supercomputing

München, 10-13 June

ICSC

Workshop Program 1

Conference Program 8

Map of Conference Sites 15

Restaurants 16

TUM and LRZ @ Garching 17

U-Bahn Map 18

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Tuesday, June 10th, Workshop Day

Room A Room B Room C8:30-10:30 W1

ROSSRuntime and

Operating Systems for

Supercomputers

W2Auto-Tuning of

HPC-Applications

W3Th e Challenges of

Achieving Power and Performance

Effi ciencies for HPCBREAK11:00-13:00

LUNCHExplore the restaurants around the venue. See

the included map.

14:30-16:30 W4Extreme Scaling

W5Exploiting Diff erent

Levels of Parallelism for Exascale ComputingBREAK

17:00-19:00

2

W1: International Workshop on Runtime and Operating Systems for Supercomputers (ROSS)

Room A

8:45-9:00 Opening9:00-10:30 Keynote

Building Blocks for an Exa-Scale Operating SystemHermann Härtig

OS Architecture and ManycoremOS: An Architecture for Extreme-Scale Operating SystemsRobert W. Wisniewski, Todd Inglett, Pardo Keppel, Ravi Murty, and Rolf Riesen

BREAK11:00-13:00 Revisiting Virtual Memory for High Performance Computing on

Manycore Architectures: A Hybrid Segmentation Kernel ApproachYuki Soma, Balazs Gerofi , and Yutaka Ishikawa

VMM Emulation of Intel Hardware Transactional MemoryMaciej Święch, Kyle C. Hale, and Peter DindaRuntime Systems and Th readsPICS: A Performance-Analysis-Based Introspective Control System to Steer Parallel ApplicationsYanhua Sun, Jonathan Liffl ander, and Laxmikant V. Kalé

Hybrid MPI – A Case Study on Xeon Phi PlatformU. S. Wickramasinghe, Greg Bronevetsky, Andrew Lumsdaine, and Andrew Friedley

LUNCH

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14:30-16:30 Automatic SMT Th reading for OpenMP Applications on the Intel Xeon Phi Co-processorWim Heirman, Trevor E. Carlson, Kenzo Van Craeynest, Ibrahim Hur, Aamer Jaleel, and Lieven Eeckhout

Exascale GossipAn Evaluation of BitTorrent’s Performance In HPC EnvironmentsMatthew G. F. Dosanjh, Patrick G. Bridges, Suzanne M. Kelly, James H. Laros III, and Courtenay T. Vaughan

Reduction of Operating System Jitter Caused by Page ReclaimYoshihiro Oyama, Shun Ishiguro, Jun Murakami, Shin Sasaki, Ryo Matsumi-ya, and Osamu Tatebe

Overhead of a Decentralized Gossip Algorithm on the Performance of HPC ApplicationsEly Levy, Amnon Barak, Amnon Shiloh, Matthias Lieber, Carsten Weinhold, and Hermann Härtig

16:30-16:40 Best Paper Award and Closing Remarks

4

W2: International Workshop on Auto-Tuning of HPC-Applications

Room B

8:30-9:30 Invited TalkAutotuning: Don‘t just search - learn!Markus Püschel, ETH Zürich, Switzerland

9:30-10:30 Th e European Autotune ProjectSiegfried Benkner, University of Vienna, Austria

CPU Frequency Tuning for Optimizing the Energy to SolutionDavid Brayford, Leibniz Supercomputing Centre, Germany

Implementation of a Model Based Tuning PluginEduardo César, Universitat Autònoma de Barcelona, Spain

Tuning of High-Level Pipeline Patterns for Heterogeneous SystemsEnes Bajrovic, University of Vienna, Austria

BREAK11:00-13:00 Automatic MPI-IO Tuning with the Periscope Tuning Framework

Weifeng Liu, Shandong University & Technische Universität München, Ger-many

Writing an Automatic Tuner with the Periscope Tuning FrameworkIsaias Compres, Technische Universität München, Germany

Integration and Synthesis for Automated Performance Tuning: Multi-target Autotuning and the SYNAPT ProjectAllen Malony, University of Oregon, USA

Flexible and Re-targetable Autotuning With Active HarmonyJeff Hollingsworth, University of Maryland, USA

Automated Program Analysis and Characterization for Performance Engineering and DebuggingPhil Roth, Oak Ridge National Laboratory, USA

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W3: International Workshop on The Challenges of Achieving Power and

Performance Effi ciencies for HPCFrom Design-space Exploration to Dynamic Optimization

Room C

8:30-9:30 KeynoteNew Rules: Sustaining Performance Scaling in a Physical WorldSudhakar Yalamanchili, School of Electrical and Computer Engineering, Georgia Institute of Technology

9:30 -10:30 Session 1Performance and power models for optimal resource effi ciencyGeorg Hager, University of Erlangen, Germany

Over-provisioned Systems: Opportunity or Unmanageable Risk?Martin Schulz, Lawrence Livermore National Lab, USA

BREAK11:00-12:30 Session 2

Th e future of Interconnect and the road to Exascale?Gilad Shainer, Mellanox Technologies, USA

Dynamically steering power in large-scale systemsDarren J. Kerbyson, Kevin J. Barker, Adolfy Hoisie Pacifi c Northwest National Lab

TBA12:30-13:00 Panel

Achieving future power and performance effi ciencies

Closing Remarks

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W4: Extreme-Scaling Workshop Room B

14:30-16:30 Overview: Th e Extreme Scaling Workshop@LRZ 2014Ferdinand Jamitzky

Extreme large scale computations with the Plasma-Simulation-Code (PSC) A modern framework for advanced Particle-in-Cell (PIC) simulations.Karl-Ulrich Bamberg

Achieving Petascale Performance with SeisSol on SuperMUCMichael Bader

Solving the Euler equations using implicit time-steppingPhilipp Edelmann

Anisotropic Diff usion Filtering Terabytes of Seismic Data in se-conds: Th e Power of the GPI-2 One-sided Communication Ap-proachMartin Kühn

BREAK17:00-19:00 Scaling of a Multigrid-like Solver for the Pressure Poisson Equation

in a CFD CodeJérôme Frisch, Ralf-Peter Mundani

Scaling of the hybrid MPI-OpenMP DNS code NSCOUETTE on SuperMUCMarkus Rampp

HPC in plasma astrophysics: Particle-in-Cell codesAndreas Kempf

Towards Petafl op capability of the VERTEX supernova codeTobias Melson

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W5: Exploiting Different Levels of Parallelism for Exascale Computing

Room C

14:30-15:30 Keynote Fast Algorithms for the Evaluation for Volume Integral Equations on Hybrid ArchitecturesGeorge Biros, University of Texas at Austin

15:30-16:30 Breaking Global Communication -- Multi-level Parallelism for High-dimensional ProblemsDirk Pfl üger, University of Stuttgart

Domain Decomposition Methods -Towards Extreme Scalability using new Nonlinear ApproachesAxel Klawonn, University of Cologne

BREAK17:00-18:00 Building Blocks for Sparse Linear Algebra on Heterogeneous Hard-

wareGeorg Hager, Friedrich-Alexander Universität Erlangen-Nürnberg

Inter- and Intra-Solver Parallelism for Coupled Multi-Physics Simu-lationsBenjamin Uekermann, Technische Universität München

18:00-19:00 Open Discussion

8

Wednesday, June 11th

Room A8:30-9:00 Welcome

Prof. Dr. Karl-Heinz Hoff mannPresident of the Bavarian Academy of Sciences

Prof. Dr. Arndt BodeDirector of LRZCo-Chair of ICS 2014

Prof. Dr. Per StenströmChalmers UniversityProgram-Chair of ICS 2014

Prof. Dr. Michael GerndtTechnische Universität MünchenCo-Chair of ICS 2014

9:00-10:00 Keynote Session Chair: Arndt BodeHPC for the Human Brain ProjectTh omas Lippert

BREAK10:30-12:30 Programming Models Chair: Frank Müller

LAWS: Locality-Aware Work-Stealing for Multi-socket Multi-core ArchitecturesQuan Chen, Minyi Guo and Haibing Guan

Eff ective Automatic Computation Placement and Data allocation for Parallelization of Regular ProgramsChandan Reddy and Uday Bondhugula

On the Conditions for Effi cient Interoperability with Th reads: An Experience with PGAS Languages Using Cray Communication DomainsKhaled Ibrahim and Katherine Yelick

HOMR: A Hybrid Approach to Exploit Maximum Overlapping in MapReduce over High Performance InterconnectsMd Rahman, Xiaoyi Lu, Nusrat Islam and Dhabaleswar Panda

LUNCHExplore the restaurants around the venue. See the included map.

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14:00-18:30 Tutorial: Hybrid PGAS, Room B14:00-16:00 Main Track, Room A

Memory Systems Chair: Josef WeidendorferDTail: A Flexible Approach to DRAM Refresh ManagementZehan Cui, Sally A. McKee, Zhongbin Zha, Yungang Bao and Mingyu Chen

Last-Level Cache DeduplicationYingying Tian, Samira Khan, Daniel Jiménez and Gabriel Loh

Block Value based Insertion Policy for High Performance Last-level CachesLingda Li, Junlin Lu and Xu Cheng

Multi-Stage Coordinated Prefetching for Present-day ProcessorsSanyam Mehta, Zhenman Fang, Antonia Zhai and Pen-Chung Yew

BREAK16:30-18:30 Applications and Algorithms Chair: Michael Bader

Evaluation of Methods to Integrate Analysis into a Large-Scale Shock Physics CodeRon Oldfi eld, Kenneth Moreland, Nathan Fabian and David Rogers

Input-adaptive Parallel Sparse Fast Fourier Transform for Stream ProcessingShuo Chen and Xiaoming Li

Th read-cooperative, bit-parallel computation of Levenshtein dis-tance on GPUAlejandro Chacón, Santiago Marco-Sola, Antonio Espinosa, Paolo Ribeca and Juan Carlos Moure

Load Balancing N-body Simulations with Highly Non-Uniform DensityOlga Pearce, Todd Gamblin, Bronis de Supinski, Tom Arsenlis and Nancy Amato

18:45-20:15 Guided Walking Tour MunichStarts at the entrance of the Academy of Sciences.

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Thursday, June 12th

8:30-9:30 Keynote Session Chair: Per Stenström 21st Century Computer ArchitectureMarc D. Hill

9:30-10:00 Invited Session Chair: Per StenströmHigh-Performance Computing in Horizon 2020Panagiotis Tsarchopoulos, European Commission

BREAK10:30-12:30 MPI Chair: Martin Schulz

MT-MPI: Multithreaded MPI for Many-core EnvironmentsMin Si, Antonio Peña, Pavan Balaji, Masamichi Takagi and Yutaka Ishikawa

Implementing a Classic: Zero-copy All-to-all Communication with MPI datatypesJesper Larsson Träff , Antoine Rougier and Sascha Hunold

Value Infl uence Analysis for Message Passing ApplicationsPhilip Roth and Jeremy Meredith

Scalable Tracing of MPI Programs through Signature-Based Clustering AlgorithmsAmir Bahmani and Frank Mueller

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12:30-14:00 LUNCH @ R Poster Session:Evaluation of student posters for best poster award.(*)An Optimal Distributed Load Balancing Algorithm for Homoge-nous Work Units (*)Akhil Langer

Addressing Bandwidth Contention in SMT Multicores Th rough Scheduling (*)Josué Feliu, Julio Sahuquillo, Salvador Petit and José Duato

Accelerating Cache Coherence Mechanism with Speculation (*)Jun Ohno and Kei Hiraki

Reducing Energy Consumption of NoC by Router Bypassing (*)Takahiro Naruko and Kei Hiraki

An Adaptive Cross-Architecture Combination Method for Graph TraversalYang You, Shuaiwen Song and Darren Kerbyson

Hardware-Assisted Scalable Flow Control of Shared Receive QueueTeruo Tanimoto, Takatsugu Ono, Kohta Nakashima and Takashi Miyoshi

Automating and Optimizing Data Transfers for Many-core Copro-cessorsBin Ren, Nishkam Ravi, Yi Yang, Min Feng, Gagan Agrawal and Srimat Chakradhar

14:00-16:00 I/O and NVRAM Chair: Michael GerndtRevealing Applications‘ Access Pattern in Collective I/O for Cache ManagementYin Lu, Yong Chen, Rob Latham and Yu Zhuang

Supporting Storage Confi guration for I/O Intensive Workfl owsLauro Beltrao Costa, Samer Al-Kiswany, Hao Yang and Matei Ripeanu

Understanding the Impact of Th reshold Voltage on MLC Flash Memory Performance and ReliabilityWei Wang, Tao Xie and Deng Zhou

DWC: Dynamic Write Consolidation for Phase Change Memory SystemsFei Xia, Dejun Jiang, Jin Xiong, Mingyu Chen, Lixin Zhang and Ninghui Sun

BREAK

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16:30-18:30 Modeling and Optimization Chair: Philip RothPalm: Easing the Burden of Analytical Performance ModelingNathan Tallent and Adolfy Hoisie

An End-to-End Analysis of File System Features on Sparse Virtual DisksRuijin Zhou, Sankaran Sivathanu, Jinpyo Kim, Bing Tsai and Tao Li

Improving Performance by Matching Imbalanced Workloads with Heterogeneous PlatformsJie Shen, Henk Sips, Peng Zou, Yutong Lu and Ana Lucia Varbanescu

Long-Term Resource Fairness: Towards Economic Fairness on Pay-as-you-use Computing SystemsShanjiang Tang, Bu-Sung Lee, Bingsheng He and Haikun Liu

20:00-22:30 Conference Dinner @ AugustinerkellerAnnouncement of the Best Student Poster PriceHow to reach Augustinerkeller: Take any S-Bahn from Rosenhei-merplatz or Marienplatz to Hackerbrücke and enjoy the short walk from there.

22:00 Opening of Socker World Cup: Brazil - Croatia

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Friday, June 13th

8:30-9:30 Keynote Session Chair: Lawrence RauchwergerTh e Future of SupercomputingMarc Snir

9:30-10:00 Invited Session Chair: Per StenströmHigh-Performance Computing in Horizon 2020Panagiotis Tsarchopoulos, European Commission

BREAK10:00-12:00 Accelerators Chair: Cosmin Oancea

Acceleration of Derivative Calculations with Application to Radial Basis Function – Finite-Diff erences on the Intel MIC ArchitectureGordon Erlebacher, Erik Saule, Natasha Flyer and Evan Bollig

An Effi cient Two-Dimensional Blocking Mechanism for Sparse Matrix-Vector Multiplication on GPUsArash Ashari, Naser Sedaghati, John Eisenlohr and P. Sadayappan

A Programming System for Xeon Phis with Runtime SIMD Paral-lelizationXin Huo, Bin Ren and Gagan Agrawal

Unifi ed On-chip Memory Allocation for SIMT ArchitectureAri Hayes and Eddy Z. Zhang

LUNCH @ R13:30-15:00 Interconnect and Microarchitecture Chair: Ronald Brightwell

Galaxy: A High-Performance Energy-Effi cient Multi-Chip Ar-chitecture Using Photonic InterconnectsYigit Demir, Yan Pan, Sukwoo Song, Nikos Hardavellas, Gokhan Memik and John Kim

A Performance Perspective on Energy Effi cient HPC LinksKarthikeyan P. Saravanan, Paul M. Carpenter and Alex Ramírez

Verifying Micro-architecture Simulators using Event TracesHui Meen Nyew, Nilufer Onder, Soner Onder and Zhenlin Wang

BREAK

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15:30-17:00 Multi- and Many-core Systems Chair: Todd GamblinScaling Up Matrix Computations on Shared-Memory Manycore Systems with 1000 CPU CoresFengguang Song and Jack Dongarra

Collective Memory Transfers for Multi-Core ChipsGeorge Michelogiannakis, Samuel Williams, Alexander Williams and John Shalf

Scalable Analysis of Multicore Data Reuse and SharingMiquel Pericàs, Kenjiro Taura and Satoshi Matsuoka

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Restaurants around Conference Venue

On Tuesday and Wednesday you may explore the many restaurants of Munich during lunch time. Please also have a look at the conference web site.

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TUM Faculty of Informatics

in Garching

LRZ in Garching

SuperMUC in the LRZ Compute Cube

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