SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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Performance Improvements of Front Tracking Package

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM


AUTHOR(S):Tulin Kaman, James Glimm, Xiaolin Li, Vitali Morozov, Sameer Shende

ROOM:WSCC North Galleria 2nd/3rd Floors

Computational resources on modern high-performance computers are underutilized mainly due to hardware and software performance bottlenecks. Identification of such bottlenecks is primary goal of performance analysis, and performance tools are essential for this purpose. In this poster, we demonstrate a case study of the use of the TAU Toolkit to tune the front tracking CFD application FronTier on Argonne's IBM Blue Gene/P supercomputer and scale it to entire system with 62% efficiency on 163,840 cores. The main improvements are related to enhancements of point-to-point communication pattern, reduction of the number of collective operations, and removal of unnecessary synchronization. FronTier is the main computing code for our study of uncertainty quantification for turbulent mixing as part of the DOE INCITE 2011 award.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Tulin Kaman - Stony Brook University

James Glimm - Stony Brook University

Xiaolin Li - Stony Brook University

Vitali Morozov - Argonne National Laboratory

Sameer Shende - University of Oregon

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