Jeremiah Willcock

Software Release: Tuned MPI Graph 500 Implementation with 2-D Data Distribution

Graph 500 uses a two-dimensional data distribution and several other techniques for scalable performance on large systems and graphs. "Big Data" and other unstructured, irregular applications have become increasingly important in the past few years, and high-performance computing is being applied to these problems. However, standard benchmarks used for supercomputers, particularly LINPACK, do not measure performance on these new types of applications.

Andrew Lumsdaine, Nick Edmonds, and Jeremiah Willcock had a paper accepted to ICS 2013

ICS is the premier international forum for the presentation of research results in high-performance computing systems. ICS 2013 will be held at the University of Oregon, Eugene, Oregon, in the heart of the Willamette Valley.

CREST participates at SC12

CREST leaders, scientists, and students are playing an active role at SC12 held in Salt Lake City, Utah in November. Below is a list of CREST activities:

Andrew Lumsdaine - Large-Scale Graph Processing

Thomas Sterling - Plenary talk on "Broader Engagement and Education in the Exascale Era," tutorial on the Basics of Supercomputing, Birds of a Feather (BOF) presentation on HPC Runtime System Software Software, serving as the Panels Chairperson

Jeremiah [node:field_last_name]

Jeremiah Willcock

Research Associate

Educational Background

  • Ph.D., 2007, Computer Science, Indiana University
  • M.S., 2002, Computer Science and Engineering, University of Notre Dame du Lac
  • B.S., 1999, Computer Science, Northern Michigan University

Research Interests

Conference Article by Andrew Lumsdaine and Jeremiah Willcock to be published at SC12

CREST’s Director Andrew Lumsdaine and Research Associate Jeremiah Willcock will have a conference paper published at SC12. The paper, co-authored with Fabio Checconi, Fabrizio Petrini, Anamitra Roy Choudhury, and Yogish Sabharwal, is titled, “Breaking the Speed and Scalability Barriers for Graph Exploration on Distributed-memory Machines.” The SC12 conference will be held in November 2012 in Salt Lake City, UT.

Information about the paper ia at this link:

IU Research Associate Jeremiah Willcock to present a position paper at SC12 IA^3 Workshop

IU Research Associate Jeremiah Willcock will present a position paper co-authored by CREST Director Andrew Lumsdaine at the IA^3 Workshop during SC12 in November. The paper is titled, “Position Paper: Logic Programming for Parallel Irregular Applications.”

Information about the SC12 workshops can be viewed at this link:

Jeremiah Willcock presents in Copenhagen

CREST Research Associate Jeremiah Willcock presented a paper he co-wrote with Ryan R. Newton and Andrew Lumsdaine, “Avalanche: A Fine-Grained Flow Graph Model for Irregular Applications on Distributed-Memory Systems” at the Workshop on Functional High-Performance Computer held in Copenhagen, Denmark in September 2012.

View the paper at this link:


Jeremiah Willcock presents at eXtreme Scale Computing Initiative

CREST Research Associate Jeremiah Willcock presented at the eXtreme Scale Computing Initiative’s Productive Programming Models for Exascale Workshop held in Portland, OR in August. Willcock presented, “Avalanche: A Flow-Graph Framework for Simplifying the Use of Active Messages,” which was co-written with Ryan Newton and Andrew Lumsdaine.

The presentation can be viewed at this link:


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