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Argonne applications for the IBM Blue Gene/Q, Mira

Coghlan, S. and Kumaran, K. and Loy, R. M. and Messina, P. and Morozov, V. and Osborn, J. C. and Parker, S. and Riley, K. M. and Romero, N. A. and Williams, T. J. (2013) Argonne applications for the IBM Blue Gene/Q, Mira. IBM Journal of Research and Development, 57 (1-2). Art. No. 12. ISSN 0018-8646. doi:10.1147/JRD.2013.2238371.

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A varied collection of scientific and engineering codes has been adapted and enhanced to take advantage of the IBM Blue Gene®/Q architecture and thus enable research that was previously out of reach. Computational research teams from a number of disciplines collaborated with the staff of the Argonne Leadership Computing Facility to assess which of Blue Gene/Q's many novel features could be exploited for each application to equip it to tackle existing problem classes with greater fidelity and in some cases to address new phenomena. The quad floating-point units and the five-dimensional torus interconnect are among the features that were demonstrated to be effective for a number of important applications. Furthermore, data obtained from the hardware counters provided insights that were valuable in guiding the code modifications. Hardware features and programming techniques that were effective across multiple codes are documented as well. First, we have confirmed that there is no significant code rewrite needed to run today's production codes with good performance on Mira, an IBM Blue Gene/Q supercomputer. Performance improvements are already demonstrated, even though our measurements are all on pre-production software and hardware. The application domains included biology, materials science, combustion, chemistry, nuclear physics, and industrial-scale design of nuclear reactors, jet engines, and the efficiency of transportation systems.

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Additional Information:© 2013 by International Business Machines Corporation. Received March 16, 2012; accepted for publication May 16, 2012. In addition to ALCF staff, we gratefully acknowledge the help of the application teams whose codes were used. The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under contract DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government.
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Department of Energy (DOE)DE-AC02-06CH11357
Issue or Number:1-2
Record Number:CaltechAUTHORS:20130918-092502317
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Official Citation:Coghlan, S.; Kumaran, K.; Loy, R. M.; Messina, P.; Morozov, V.; Osborn, J. C.; Parker, S.; Riley, K. M.; Romero, N. A.; Williams, T. J., "Argonne applications for the IBM Blue Gene/Q, Mira," IBM Journal of Research and Development , vol.57, no.1/2, pp.12:1,12:11, Jan.-March 2013
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:41375
Deposited By: Tony Diaz
Deposited On:18 Sep 2013 17:07
Last Modified:10 Nov 2021 04:29

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