John A Gunnels  John A Gunnels photo       

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IBM Research AI
Distinguished Research Staff Member - Manager: Reasoning Systems
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Professional Associations

Professional Associations:  ACM  |  IEEE


2017

Massively parallel first-principles simulation of electron dynamics in materials
Draeger, Erik W and Andrade, Xavier and Gunnels, John A and Bhatele, Abhinav and Schleife, Andr{\'e} and Correa, Alfredo A
Journal of Parallel and Distributed Computing106, 205--214, Elsevier, 2017
Abstract


2016

An Early Performance Study of Large-scale POWER8 SMP Systems
Xing Liu, Daniele Buono, Fabio Checconi, Jee Choi, Xinyu Que, Fabrizio Petrini, John Gunnels, and Jeff Stuecheli
Proceedings of IEEE International Symposium on Parallel and Distributed Processing, 2016

Parallel deep neural network training for big data on blue gene/Q
Chung, I-Hsin and Sainath, Tara N and Ramabhadran, Bhuvana and Picheny, Michael and Gunnels, John and Austel, Vernon and Chauhari, Upendra and Kingsbury, Brian
IEEE Transactions on Parallel and Distributed Systems, IEEE, 2016
Abstract


2015

Scalable Community Detection with the Louvain Algorithm
Que, Xinyu and Checconi, Fabio and Petrini, Fabrizio and Gunnels, John A
Parallel and Distributed Processing Symposium (IPDPS), 2015 IEEE International, pp. 28--37

Active Memory Cube: A Processing-in-Memory Architecture for Exascale Systems
Ravi Nair, et al.
IBM Journal of Research and Development (IBM JRD), Vol. 59, Issue 2/3, 2015

Massively parallel models of the human circulatory system
Randles, Amanda and Draeger, Erik W and Oppelstrup, Tomas and Krauss, Liam and Gunnels, John A
High Performance Computing, Networking, Storage and Analysis, 2015 SC-International Conference for, pp. 1--11
Abstract

Optimizing Sparse Linear Algebra for Large-Scale Graph Analytics
Buono, Daniele and Gunnels, John A and Que, Xinyu and Checconi, Fabio and Petrini, Fabrizio and Tuan, Tai-Ching and Long, Chris
Computer pp. 8, 26--34, IEEE, 2015


2013

The BLIS framework: Experiments in portability
Field G Van Zee, Tyler Smith, Francisco D Igual, Mikhail Smelyanskiy, Xianyi Zhang, Michael Kistler, Vernon Austel, John Gunnels, Tze Meng Low, Bryan Marker, Lee Killough, Robert A van de Geijn
ACM Transactions on Mathematical Software, ACM, 2013

Science at llnl with ibm blue gene/q
B. Carnes, B. Chan, E.W. Draeger, J.-L. Fattebert, L. Fried, J. Glosli, W.D. Krauss, S.H. Langer, R. McCallen, A.A. Mirin, F. Najjar, A.L. Nichols, T. Oppelstrup, J.A. Rathkopf, D. Richards, F. Streitz, P.M. Vranas, J.J. Rice, J.A. Gunnels, et al.
IBM Journal of Research and Development 57(1/2), 11:1-11:18, IBM, 2013

Design for low power and power management in IBM Blue Gene/Q
K. Sugavanam, C.Y. Cher, J.A. Gunnels, R.A. Haring, P. Heidelberger, H.M. Jacobson, M.K. McManus, D.P. Paulsen, D.L. Satterfield, Y. Sugawara, R. Walkup
IBM Journal of Research and Development 57(1/2), 3:1-11, IBM, 2013

Towards real-time simulation of cardiac electrophysiology in a human heart at high resolution
Richards, David F and Glosli, James N and Draeger, Erik W and Mirin, Arthur A and Chan, Bor and Fattebert, Jean-luc and Krauss, William D and Oppelstrup, Tomas and Butler, Chris J and Gunnels, John A and others
Computer methods in biomechanics and biomedical engineering 16(7), 802--805, Taylor & Francis, 2013


2012

Toward real-time modeling of human heart ventricles at cellular resolution: simulation of drug-induced arrhythmias
Mirin, Arthur A and Richards, David F and Glosli, James N and Draeger, Erik W and Chan, Bor and Fattebert, Jean-luc and Krauss, William D and Oppelstrup, Tomas and Rice, John Jeremy and Gunnels, John A and others
Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis, pp. 2, 2012

Toward Real-Time Modeling of Human Heart Ventricles at Cellular Resolution: Simulation of Drug-Induced Arrhythmias [Gordon Bell Award Finalist]
Arthur A. Mirin, David F. Richards, James N. Glosli, Erik W. Draeger, Bor Chan, Jean-luc Fattebert, William D. Krauss, Tomas Oppelstrup, John Jeremy Rice, John A. Gunnels, Viatcheslav Gurev, Changhoan Kim, John Magerlein, Matthias Reumann, Hui-Fang Wen
Supercomputing, 2012


2011

Massive-Scale Analytics
Ghoting, Amol and Gunnels, John A and Squillante, Mark S
Encyclopedia of Parallel Computing, pp. 1089--1095, Springer, 2011
Abstract


2010

Efficient high-precision matrix algebra on parallel architectures for nonlinear combinatorial optimization
Gunnels, John and Lee, Jon and Margulies, Susan
Mathematical Programming Computation 2(2), 103--124, Springer, 2010
Abstract


2009

Beyond homogeneous decomposition: scaling long-range forces on Massively Parallel Systems
Richards, David F and Glosli, James N and Chan, Bor and Dorr, MR and Draeger, Erik W and Fattebert, J-L and Krauss, William D and Spelce, T and Streitz, Frederick H and Surh, MP and others
Proceedings of the Conference on High Performance Computing Networking, Storage and Analysis, pp. 60, 2009
Abstract

Petascale Computing with Accelerators
Michael Kistler, John Gunnels, Daniel Brokenshire, Brad Benton
Proceedings of the 14th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, ACM, 2009

MPI collective communications on the Blue Gene/P supercomputer: Algorithms and optimizations
Faraj, Ahmad and Kumar, Sameer and Smith, Brian and Mamidala, Amith and Gunnels, John
High Performance Interconnects, 2009. HOTI 2009. 17th IEEE Symposium on, pp. 63--72
Abstract

Programming the Linpack benchmark for Roadrunner
M Kistler, J Gunnels, D Brokenshire, B Benton
IBM Journal of Research and Development 53(5), 9--1, IBM, 2009

Programming the Linpack benchmark for the IBM PowerXCell 8i processor
Michael Kistler, John Gunnels, Daniel Brokenshire, Brad Benton
Scientific Programming , Volume 17 Issue 1-2 17(1), 43--57, IOS Press, 2009


2008

Fine-grained parallelization of the Car-Parrinello ab initio molecular dynamics method on the IBM Blue Gene/L supercomputer
Eric Bohm, Abhinav Bhatele, Laxmikant V Kale, Mark E Tuckerman, Sameer Kumar, John A Gunnels, Glenn J Martyna
IBM Journal of Research and Development 52(1.2), 159--175, IBM, 2008

Overview of the IBM Blue Gene/P project
I B M Blue Gene Team
IBM Journal of Research and Development 52(1/2), 199--220, IBM CORP 1 NEW ORCHARD ROAD, ARMONK, NY 10504 USA, 2008


2007

An experimental comparison of cache-oblivious and cache-conscious programs
Yotov, Kamen and Roeder, Tom and Pingali, Keshav and Gunnels, John and Gustavson, Fred
Proceedings of the nineteenth annual ACM symposium on Parallel algorithms and architectures, pp. 93--104, 2007
Abstract

Extending stability beyond CPU millennium: a micron-scale atomistic simulation of Kelvin-Helmholtz instability
James N Glosli, David F Richards, KJ Caspersen, RE Rudd, John A Gunnels, Frederick H Streitz
Proceedings of the 2007 ACM/IEEE conference on Supercomputing, pp. 58

Minimal data copy for dense linear algebra factorization
Fred G Gustavson, John A Gunnels, James C Sexton
Applied Parallel Computing. State of the Art in Scientific Computing, pp. 540--549, Springer, 2007

Is cache-oblivious DGEMM viable?
John A Gunnels, Fred G Gustavson, Keshav Pingali, Kamen Yotov
Applied Parallel Computing. State of the Art in Scientific Computing, pp. 919--928, Springer, 2007


2006

Simulating solidification in metals at high pressure: The drive to petascale computing
Streitz, Frederick H and Glosli, James N and Patel, Mehul V and Chan, Bor and Yates, Robert K and de Supinski, Bronis R and Sexton, James and Gunnels, John A
Journal of Physics: Conference Series, pp. 254, 2006
Abstract

Large-scale electronic structure calculations of high-Z metals on the BlueGene/L platform
Gygi, Francois and Draeger, Erik W and Schulz, Martin and De Supinski, Bronis R and Gunnels, John A and Austel, Vernon and Sexton, James C and Franchetti, Franz and Kral, Stefan and Ueberhuber, Christoph W and others
Proceedings of the 2006 ACM/IEEE conference on Supercomputing, pp. 45
Abstract

Large scale drop impact analysis of mobile phone using ADVC on Blue Gene/L
H Akiba, T Ohyama, Y Shibata, K Yuyama, Y Katai, R Takeuchi, T Hoshino, S Yoshimura, H Noguchi, M Gupta, others
Proceedings of the 2006 ACM/IEEE conference on Supercomputing, pp. 46

A recursive formulation of the inversion of symmetric positive definite matrices in packed storage data format
Bjarne S Andersen, John A Gunnels, Fred Gustavson, Jerzy Wa\'sniewski
Applied Parallel Computing, pp. 287--296, 2006


2005

100+ TFlop solidification simulations on BlueGene/L
Streitz, Frederick H and Glosli, James N and Patel, Mehul V and Chan, Bor and Yates, Robert K and de Supinski, Bronis R and Sexton, James and Gunnels, John A
Proceedings of IEEE/ACM Supercomputing, 2005
Abstract

Large-scale first-principles molecular dynamics simulations on the BlueGene/L platform using the Qbox code
Francois Gygi, Robert K Yates, Juergen Lorenz, Erik W Draeger, Franz Franchetti, Christoph W Ueberhuber, Bronis R de Supinski, Stefan Kral, John A Gunnels, James C Sexton
Proceedings of the 2005 ACM/IEEE conference on Supercomputing, pp. 24

Early Experience with Scientific Applications on the Blue Gene/L Supercomputer
G. Almasi, G. Bhanot, D. Chen, M. Eleftheriou, B. Fitch, A. Gara, R. Germain, J. Gunnels, M. Gupta, P. Heidelberg, M. Pitman, J. Sexton, F. Suits, P. Vranas, B. Walkup, Y. Zhestkov, A. Curioni, W. Andreoni, et al.
Euro-Par 2005 Parallel Processing, pp. 560-570
CiteSeerX - Scientific Literature Digital Library and Search Engine [http://citeseerx.ist.psu.edu/oai2] (United States) ER

Blue Gene/L performance tools
Xavier Martorell, Nils Smeds, Robert Walkup, Jos\'e R Brunheroto, George Almasi, John A Gunnels, Luiz DeRose, Jes\'us Labarta, Francesc Escale, Judit Gimenez, others
IBM journal of research and development 49(2.3), 407--424, IBM, 2005

The science of deriving dense linear algebra algorithms
Paolo Bientinesi, John A Gunnels, Margaret E Myers, Enrique S Quintana-Ort\'\i, Robert A Geijn
ACM Transactions on Mathematical Software (TOMS) 31(1), 1--26, ACM, 2005

Design and exploitation of a high-performance SIMD floating-point unit for Blue Gene/L
Siddhartha Chatterjee, Leonardo R Bachega, Peter Bergner, Kenneth A Dockser, John A Gunnels, Manish Gupta, Fred G Gustavson, Christopher A Lapkowski, Gary K Liu, M Mendell, others
IBM Journal of Research and Development 49(2.3), 377--391, IBM, 2005

Design and implementation of message-passing services for the Blue Gene/L supercomputer
George Alm\'asi, Charles Archer, Jos\'e G Castanos, John A Gunnels, C Christopher Erway, Philip Heidelberger, Xavier Martorell, Jos\'e E Moreira, Kurt Pinnow, Joe Ratterman, others
IBM Journal of Research and Development 49(2.3), 393--406, IBM, 2005


2004

Architecture and performance of the BlueGene/L Message Layer
George Almasi, Charles Archer, John Gunnels, Philip Heidelberger, Xavier Martorell, Jose E Moreira
Recent Advances in Parallel Virtual Machine and Message Passing Interface, pp. 405--414, Springer, 2004

Unlocking the performance of the BlueGene/L supercomputer
George Almasi, Siddhartha Chatterjee, Alan Gara, John Gunnels, Manish Gupta, Amy Henning, Jose E Moreira, Bob Walkup
Proceedings of the 2004 ACM/IEEE conference on Supercomputing, pp. 57


2002

An overview of the BlueGene/L supercomputer
N.R. Adiga, G. Almasi, G.S. Almasi, Y. Aridor, R. Barik, D. Beece, R. Bellofatto, G. Bhanot, R. Bickford, M. Blumrich, others
Supercomputing, ACM/IEEE 2002 Conference, pp. 60--60, IEEE Computer Society
Abstract


2001

Fault-tolerant high-performance matrix multiplication: Theory and practice
Gunnels, John A and Katz, Daniel S and Quintana-Orti, Enrique S and Van de Gejin, RA
Dependable Systems and Networks, 2001. DSN 2001. International Conference on, pp. 47--56
Abstract

FLAME: Formal linear algebra methods environment
Gunnels, John A and Gustavson, Fred G and Henry, Greg M and Van De Geijn, Robert A
ACM Transactions on Mathematical Software (TOMS) 27(4), 422--455, ACM, 2001
Abstract

A family of high-performance matrix multiplication algorithms
John A Gunnels, Greg M Henry, Robert A Van De Geijn
Computational Science—ICCS 2001, pp. 51--60, Springer


1998

A flexible class of parallel matrix multiplication algorithms
John Gunnels, Calvin Lin, Greg Morrow, Robert Van De Geijn
Parallel Processing Symposium, 1998. IPPS/SPDP 1998. Proceedings of the First Merged International... and Symposium on Parallel and Distributed Processing 1998, pp. 110--116


1997

PLAPACK: Parallel Linear Algebra Package.
Phillip Alpatov, Gregory S Baker, H Carter Edwards, John A Gunnels, Greg Morrow, James Overfelt, Robert A van de Geijn, Yuan-Jye J Wu
PPSC, 1997