Tag multicore

Entries 4 Total

Facing the Multicore Challenge II

Sep 29, ’11 3:06 AM

Rich will give the lab’s “Balance principles” talk [PDF slides] as an invited keynote at the Facing the Multicore Challenge II conference in Karlsruhe, Germany. His hosts are a delight and the conference, which focuses on young scientists, is energetic and sharp. Overall, a great and highly recommended meeting! [Photo: ZKM Car Culture Exhibit]

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Two papers @ IPDPS’10

Dec 11, ’10 10:04 AM

The HPC Garage will have two papers at the upcoming IPDPS conference, to be held here in Atlanta, April 19–23. Congratulations to Aparna, who led the two papers, as well as our colleagues at Intel (Kath Knobe) and Lawrence Berkeley National Laboratory (Sam Williams and Lenny Oliker) for their significant contributions!

Here’s a brief description of the papers …

The first paper is a detailed performance evaluation of the Concurrent Collections (CnC) parallel programming model on some of the latest multicore systems. This paper demonstrates the extraordinary potential of the CnC model, and raises a number of questions about how the model should evolve for more complex programs. The second paper is the first extensive multicore optimization and tuning experiment for the kernel-independent fast multipole method (KIFMM). Surprisingly, this paper shows competitive performance from an Intel Nehalem-based multicore system relative to the GPU implementation we showcased in our best paper-nominated SC’09 submission (led by Lashuk and Biros).

  • A. Chandramowlishwaran, K. Knobe, and R. Vuduc. Performance evaluation of Concurrent Collections on high-performance multicore computing systems. In Proc. IEEE Int’l. Parallel and Distributed Processing Symp. (IPDPS), Atlanta, GA, USA, April 2010. (accepted).
  • A. Chandramowlishwaran, S. Williams, L. Oliker, I. Lashuk, G. Biros, and R. Vuduc. Optimizing and tuning the fast multipole method for state-of-the-art multicore architectures. In Proc. IEEE Int’l. Parallel and Distributed Processing Symp. (IPDPS), Atlanta, GA, USA, April 2010. (accepted).
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Top ParCo’09 Q1 download

Jun 30, ’09 8:29 AM

Our co-authored paper on multicore optimizations for sparse matrix-vector multiply was the “hottest” (most downloaded) Journal of Parallel Computing (ParCo) article in Q1 2009.

[ParCo Top 25 List, Q1 2009] S. Williams, L. Oliker, R. Vuduc, J. Shalf, K. Yelick, J. Demmel. “Optimization of sparse matrix-vector multiplication on emerging multicore platforms.” J. Par. Comput. (ParCo), 35(3), pp. 178—194, March 2009. doi:10.1016/j.parco.2008.12.006

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When in Rome…

May 25, ’09 2:24 PM

Seunghwa Kang, a friend of the Garage, is off to Rome, Italy, IEEE International Parallel and Distributed Processing Symposium (IPDPS) to give a talk on his paper, “Understanding the design trade-offs among current multicore platforms for numerical computations.”

Citation & PDF: Seunghwa Kang, David A. Bader, and Richard Vuduc. “Understanding the design trade-offs among current multicore platforms for numerical computations.” In Proc. IEEE Int’l. Parallel and Distributed Processing Symp. (IPDPS), Rome, Italy, May 2009. [PDF]

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