IA3 2015
5th Workshop on Irregular Applications:
Architectures and Algorithms
IA3 2015
5th Workshop on Irregular Applications:
Architectures and Algorithms
Sunday, November 15 2015
Salon A
Hilton Austin Hotel
Austin, TX, USA
To be held in conjunction with To be held in cooperation with
Preliminary Program
9:00-9:40 Keynote 1 – Algorithms - Chair: John Feo (PNNL)
How to Match in Parallel: Approximation Algorithms and Multicore
Machines
Alex Pothen, Purdue University
9:40-10:00 Session 1 - Irregular Algorithms
Chair: Antonino Tumeo (PNNL)
9:40-9:50 PathFinder: A Signature-search Miniapp and its Runtime Characteristics
Aditya Deshpande, Jeffrey Draper, J. Brian Rigdon and Richard Barrett.
9:50-10:00 A GPU-Parallel Construction of Volumetric Tree
Mohammad M. Hossain, Thomas R. Kurfess, Richard W. Vuduc
and Thomas M. Tucker.
10:00-10:30 Coffee Break
10:30-11:15 Session 2: Irregular Applications and GPUs
Chair: Marco Minutoli (PNNL)
10:30-10:55 Data-centric GPU-based Adaptive Mesh Refinement
Mohamed Wahib and Naoya Maruyama.
10:55-11:05 Dynamic Parallelism for Simple and Efficient GPU Graph Algorithms
Peter Zhang, Eric Holk, John Matty, Samantha Misurda,
Marcin Zalewski, Scott McMillan, Jonathan Chu and Andrew Lumsdaine.
11:05-11:15 Betweenness Centrality on Multi-GPU systems
Massimo Bernaschi, Giancarlo Carbone and Flavio Vella.
11:15-12:30 Session 3: Sparse Matrices
Chair: Alessandro Morari (PNNL)
11:15-11:40 Scalable Task-Based Algorithm for Multiplication of Block-Rank-Sparse
Matrices
Justus Calvin, Cannada Lewis and Edward Valeev.
11:40-12:05 Tensor-Matrix Products with a Compressed Sparse Tensor
Shaden Smith and George Karypis
12:05-12:30 Generalised vectorisation for sparse matrix--vector multiplication
Albert-Jan Yzelman
2:00-2:40 Keynote 2 – Architectures - Chair: Oreste Villa (NVIDIA)
A Scalable Architecture for Ordered Irregular Parallelism
Daniel Sanchez (MIT)
2:40-3:00 Session 4 - Graph Algorithms vs Modern Architectures
Chair: Mahantesh Halappanavar (PNNL)
2:40-2:50 GAIL: The Graph Algorithm Iron Law
Scott Beamer, Krste Asanovic and David Patterson.
2:50-3:00 Improving Graph Partitioning for Modern Graphs and Architectures
Dominique Lasalle, Mostofa Patwary, Nadathur Satish,
Narayanan Sundaram, George Karypis and Pradeep Dubey.
3:00-3:30 Coffee Break
3:30-4:20 Session 5 - Architectural implications of data-centric workloads
Chair: Vito Giovanni Castellana (PNNL)
3:30-3:55 Hybrid Memory Cube performance characterization on data-centric
workloads
Maya Gokhale, Scott Lloyd and Chris Macaraeg.
3:55-4:20 PL2AP: Fast Parallel Cosine Similarity Search
David C. Anastasiu and George Karypis.
4:20-5:30 Panel Session: The Future of Irregular Applications
Moderator: David Haglin (PNNL).
Panelists: John Gilbert (UCSB), Jay Rockstroh (Data Vortex),
Nuwan Jayasena (AMD), Brad Spiers (Micron),
Ruud van der Pas (Oracle), Daniel Sanchez (MIT),
Alex Pothen (Purdue)