Samuel Williams

122 papers A 25B 4C 4Misc 2Journal 42Unranked 43

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	StFT: Spatio-temporal Fourier Transformer for Long-term Dynamics Prediction. Trans. Mach. Learn. Res. Da Long, Shandian Zhe, Samuel Williams, Leonid Oliker, Zhe Bai
2025	A	`conf`	Benchmark-driven Models for Energy Analysis and Attribution of GPU-Accelerated Supercomputing. SC Oscar Antepara, Zhengji Zhao, Brian Austin, Nan Ding, Leonid Oliker, Nicholas J. Wright, Samuel Williams
2025	C	`conf`	Leveraging AI for Productive and Trustworthy HPC Software: Challenges and Research Directions. ISC Keita Teranishi, Harshitha Menon, William F. Godoy, Prasanna Balaprakash, David Bau, Tal Ben-Nun, Abhinav Bhatele, Franz Franchetti, Michael E. Franusich, Todd Gamblin, Giorgis Georgakoudis, Tom Goldstein, Arjun Guha, Steven E. Hahn, Costin Iancu, Zheming Jin, Terry R. Jones, Tze Meng Low, Het Mankad, Narasinga Rao Miniskar, Mohammad Alaul Haque Monil, Daniel Nichols, Konstantinos Parasyris, Swaroop Pophale, Pedro Valero-Lara, Jeffrey S. Vetter, Samuel Williams, Aaron R. Young
2025	J	`jnl`	Leveraging AI for Productive and Trustworthy HPC Software: Challenges and Research Directions. CoRR Keita Teranishi, Harshitha Menon, William F. Godoy, Prasanna Balaprakash, David Bau, Tal Ben-Nun, Abhinav Bhatele, Franz Franchetti, Michael E. Franusich, Todd Gamblin, Giorgis Georgakoudis, Tom Goldstein, Arjun Guha, Steven E. Hahn, Costin Iancu, Zheming Jin, Terry R. Jones, Tze Meng Low, Het Mankad, Narasinga Rao Miniskar, Mohammad Alaul Haque Monil, Daniel Nichols, Konstantinos Parasyris, Swaroop Pophale, Pedro Valero-Lara, Jeffrey S. Vetter, Samuel Williams, Aaron R. Young
2025	C	`conf`	Maximizing Power-Constrained Supercomputing Throughput. ISC Nan Ding, Oscar Antepara, Zhengji Zhao, Brian Austin, Leonid Oliker, Nicholas J. Wright, Samuel Williams
2025	J	`jnl`	Optimizing PyTorch Inference with LLM-Based Multi-Agent Systems. CoRR Kirill Nagaitsev, Luka Grbcic, Samuel Williams, Costin Iancu
2025	—	`conf`	Roofline Analysis of Tightly-Coupled CPU-GPU Superchips: A Study on MI300A and GH200. SC Workshops Oscar Antepara, Leonid Oliker, Samuel Williams
2025	J	`jnl`	Spatio-temporal Fourier Transformer (StFT) for Long-term Dynamics Prediction. CoRR Da Long, Shandian Zhe, Samuel Williams, Leonid Oliker, Zhe Bai
2025	J	`jnl`	Transfer learning nonlinear plasma dynamic transitions in low dimensional embeddings via deep neural networks. Mach. Learn. Sci. Technol. Zhe Bai, Xishuo Wei, William Tang, Leonid Oliker, Zhihong Lin, Samuel Williams
2024	A	`conf`	A Workflow Roofline Model for End-to-End Workflow Performance Analysis. SC Nan Ding, Brian Austin, Yang Liu, Neil Mehta, Steven Farrell, Johannes P. Blaschke, Leonid Oliker, Hai Ah Nam, Nicholas J. Wright, Samuel Williams
2024	B	`conf`	BrickDL: Graph-Level Optimizations for DNNs with Fine-Grained Data Blocking on GPUs. ICPP Mahesh Lakshminarasimhan, Mary W. Hall, Samuel Williams, Oscar Antepara
2024	J	`jnl`	Bricks: A high-performance portability layer for computations on block-structured grids. Int. J. High Perform. Comput. Appl. Mahesh Lakshminarasimhan, Oscar Antepara, Tuowen Zhao, Benjamin Sepanski, Protonu Basu, Hans Johansen, Mary W. Hall, Samuel Williams
2024	—	`conf`	Comprehensive Performance Modeling and System Design Insights for Foundation Models. SC Workshops Shashank Subramanian, Ermal Rrapaj, Peter Harrington, Smeet Chheda, Steven Farrell, Brian Austin, Samuel Williams, Nicholas J. Wright, Wahid Bhimji
2024	J	`jnl`	Comprehensive Performance Modeling and System Design Insights for Foundation Models. CoRR Shashank Subramanian, Ermal Rrapaj, Peter Harrington, Smeet Chheda, Steven Farrell, Brian Austin, Samuel Williams, Nicholas J. Wright, Wahid Bhimji
2024	J	`jnl`	Evaluating the potential of disaggregated memory systems for HPC applications. Concurr. Comput. Pract. Exp. Nan Ding, Pieter Maris, Hai Ah Nam, Taylor L. Groves, Muaaz Gul Awan, LeAnn Lindsey, Christopher S. Daley, Oguz Selvitopi, Leonid Oliker, Nicholas J. Wright, Samuel Williams
2024	J	`jnl`	FTL: Transfer Learning Nonlinear Plasma Dynamic Transitions in Low Dimensional Embeddings via Deep Neural Networks. CoRR Zhe Bai, Xishuo Wei, William Tang, Leonid Oliker, Zhihong Lin, Samuel Williams
2024	—	`conf`	High-Performance, Scalable Geometric Multigrid via Fine-Grain Data Blocking for GPUs. SC Workshops Oscar Antepara, Samuel Williams, Hans Johansen, Mary W. Hall
2024	J	`jnl`	LPSim: Large Scale Multi-GPU Parallel Computing based Regional Scale Traffic Simulation Framework. CoRR Xuan Jiang, Raja Sengupta, James Demmel, Samuel Williams
2024	—	`conf`	Performance Portable Optimizations of an Ice-sheet Modeling Code on GPU-supercomputers. SC Workshops Oscar Antepara, Samuel Williams, Max Carlson, Jerry Watkins
2024	—	`conf`	System-Wide Roofline Profiling -a Case Study on NERSC's Perlmutter Supercomputer. SC Workshops Brian Austin, Dhruva Kulkarni, Brandon Cook, Samuel Williams, Nicholas J. Wright
2023	—	`conf`	Evaluating the Performance of One-sided Communication on CPUs and GPUs. SC Workshops Nan Ding, Muhammad Haseeb, Taylor L. Groves, Samuel Williams
2023	J	`jnl`	Evaluating the Potential of Disaggregated Memory Systems for HPC applications. CoRR Nan Ding, Pieter Maris, Hai Ah Nam, Taylor L. Groves, Muaaz Gul Awan, LeAnn Lindsey, Christopher S. Daley, Oguz Selvitopi, Leonid Oliker, Nicholas J. Wright, Samuel Williams
2023	—	`conf`	Performance Portability Evaluation of Blocked Stencil Computations on GPUs. SC Workshops Oscar Antepara, Samuel Williams, Hans Johansen, Tuowen Zhao, Samantha Hirsch, Priya Goyal, Mary W. Hall
2023	—	`conf`	Performance-Portable GPU Acceleration of the EFIT Tokamak Plasma Equilibrium Reconstruction Code. SC Workshops Oscar Antepara, Samuel Williams, Scott Kruger, Torrin Bechtel, Joseph McClenaghan, Lang Lao
2023	A	`conf`	Unified Communication Optimization Strategies for Sparse Triangular Solver on CPU and GPU Clusters. SC Yang Liu, Nan Ding, Piyush Sao, Samuel Williams, Xiaoye Sherry Li
2022	J	`jnl`	A Comprehensive Methodology to Optimize FPGA Designs via the Roofline Model. IEEE Trans. Computers Marco Siracusa, Emanuele Del Sozzo, Marco Rabozzi, Lorenzo Di Tucci, Samuel Williams, Donatella Sciuto, Marco Domenico Santambrogio
2022	—	`conf`	A Methodology for Evaluating Tightly-integrated and Disaggregated Accelerated Architectures. PMBS@SC Taylor L. Groves, Christopher S. Daley, Rahulkumar Gayatri, Hai Ah Nam, Nan Ding, Lenny Oliker, Nicholas J. Wright, Samuel Williams
2022	J	`jnl`	FPGA-based HPC accelerators: An evaluation on performance and energy efficiency. Concurr. Comput. Pract. Exp. Tan Nguyen, Colin MacLean, Marco Siracusa, Douglas Doerfler, Nicholas J. Wright, Samuel Williams
2022	J	`jnl`	Instruction Roofline: An insightful visual performance model for GPUs. Concurr. Comput. Pract. Exp. Nan Ding, Muaaz G. Awan, Samuel Williams
2022	—	`conf`	Maximizing Performance Through Memory Hierarchy-Driven Data Layout Transformations. MCHPC@SC Benjamin Sepanski, Tuowen Zhao, Hans Johansen, Samuel Williams
2022	J	`jnl`	Understanding the Impact of Input Entropy on FPU, CPU, and GPU Power. CoRR Sridutt Bhalachandra, Brian Austin, Samuel Williams, Nicholas J. Wright
2021	—	`conf`	A Message-Driven, Multi-GPU Parallel Sparse Triangular Solver. ACDA Nan Ding, Yang Liu, Samuel Williams, Xiaoye S. Li
2021	—	`conf`	Architectural Requirements for Deep Learning Workloads in HPC Environments. PMBS Khaled Z. Ibrahim, Tan Nguyen, Hai Ah Nam, Wahid Bhimji, Steven Farrell, Leonid Oliker, Michael Rowan, Nicholas J. Wright, Samuel Williams
2021	—	`conf`	Experiences Porting the SU3_Bench Microbenchmark to the Intel Arria 10 and Xilinx Alveo U280 FPGAs. IWOCL Douglas Doerfler, Farzad Fatollahi-Fard, Colin MacLean, Tan Nguyen, Samuel Williams, Nicholas J. Wright, Marco Siracusa
2021	—	`conf`	Hierarchical Roofline Performance Analysis for Deep Learning Applications. SAI (2) Charlene Yang, Yunsong Wang, Thorsten Kurth, Steven Farrell, Samuel Williams
2021	B	`conf`	Improving communication by optimizing on-node data movement with data layout. PPoPP Tuowen Zhao, Mary W. Hall, Hans Johansen, Samuel Williams
2020	A	`conf`	A CAD-based methodology to optimize HLS code via the Roofline model. ICCAD Marco Siracusa, Marco Rabozzi, Emanuele Del Sozzo, Lorenzo Di Tucci, Samuel Williams, Marco D. Santambrogio
2020	—	`conf`	A Case Study of Porting HPGMG from CUDA to OpenMP Target Offload. IWOMP Christopher S. Daley, Hadia Ahmed, Samuel Williams, Nicholas J. Wright
2020	J	`jnl`	Hierarchical Roofline Performance Analysis for Deep Learning Applications. CoRR Yunsong Wang, Charlene Yang, Steven Farrell, Thorsten Kurth, Samuel Williams
2020	J	`jnl`	Hierarchical Roofline analysis for GPUs: Accelerating performance optimization for the NERSC-9 Perlmutter system. Concurr. Comput. Pract. Exp. Charlene Yang, Thorsten Kurth, Samuel Williams
2020	—	`conf`	Leveraging One-Sided Communication for Sparse Triangular Solvers. PP Nan Ding, Samuel Williams, Yang Liu, Xiaoye S. Li
2020	—	`conf`	Performance Trade-offs in GPU Communication: A Study of Host and Device-initiated Approaches. PMBS@SC Taylor L. Groves, Ben Brock, Yuxin Chen, Khaled Z. Ibrahim, Lenny Oliker, Nicholas J. Wright, Samuel Williams, Katherine A. Yelick
2020	J	`jnl`	Solving a trillion unknowns per second with HPGMG on Sunway TaihuLight. Clust. Comput. Wenjing Ma, Yulong Ao, Chao Yang, Samuel Williams
2020	—	`conf`	The Performance and Energy Efficiency Potential of FPGAs in Scientific Computing. PMBS@SC Tan Nguyen, Samuel Williams, Marco Siracusa, Colin MacLean, Douglas Doerfler, Nicholas J. Wright
2020	—	`conf`	Time-Based Roofline for Deep Learning Performance Analysis. DLS@SC Yunsong Wang, Charlene Yang, Steven Farrell, Yan Zhang, Thorsten Kurth, Samuel Williams
2020	J	`jnl`	Time-Based Roofline for Deep Learning Performance Analysis. CoRR Yunsong Wang, Charlene Yang, Steven Farrell, Yan Zhang, Thorsten Kurth, Samuel Williams
2020	C	`conf`	Timemory: Modular Performance Analysis for HPC. ISC Jonathan R. Madsen, Muaaz G. Awan, Hugo Brunie, Jack Deslippe, Rahulkumar Gayatri, Leonid Oliker, Yunsong Wang, Charlene Yang, Samuel Williams
2020	—	`conf`	Understanding Quantum Control Processor Capabilities and Limitations through Circuit Characterization. ICRC Anastasiia Butko, George Michelogiannakis, Samuel Williams, Costin Iancu, David Donofrio, John Shalf, Jonathan Carter, Irfan Siddiqi
2019	J	`jnl`	AMReX: a framework for block-structured adaptive mesh refinement. J. Open Source Softw. Weiqun Zhang, Ann S. Almgren, Vincent E. Beckner, John B. Bell, Johannes P. Blaschke, Cy P. Chan, Marcus Day, Brian Friesen, Kevin Gott, Daniel T. Graves, Maximilian Katz, Andrew Myers, Tan Nguyen, Andrew Nonaka, Michele Rosso, Samuel Williams, Michael Zingale
2019	—	`conf`	An Instruction Roofline Model for GPUs. PMBS@SC Nan Ding, Samuel Williams
2019	A	`conf`	Exploiting reuse and vectorization in blocked stencil computations on CPUs and GPUs. SC Tuowen Zhao, Protonu Basu, Samuel Williams, Mary W. Hall, Hans Johansen
2019	J	`jnl`	Modern gyrokinetic particle-in-cell simulation of fusion plasmas on top supercomputers. Int. J. High Perform. Comput. Appl. Bei Wang, Stéphane Ethier, William M. Tang, Khaled Z. Ibrahim, Kamesh Madduri, Samuel Williams, Leonid Oliker
2019	—	`conf`	Performance Analysis of GPU Programming Models Using the Roofline Scaling Trajectories. Bench Khaled Z. Ibrahim, Samuel Williams, Leonid Oliker
2018	C	`conf`	A Novel Multi-level Integrated Roofline Model Approach for Performance Characterization. ISC Tuomas Koskela, Zakhar Matveev, Charlene Yang, Adetokunbo Adedoyin, Roman Belenov, Philippe Thierry, Zhengji Zhao, Rahulkumar Gayatri, Hongzhang Shan, Leonid Oliker, Jack Deslippe, Ron Green, Samuel Williams
2018	—	`conf`	Improving MPI Reduction Performance for Manycore Architectures with OpenMP and Data Compression. PMBS@SC Hongzhang Shan, Samuel Williams, Calvin W. Johnson
2018	—	`conf`	Roofline Scaling Trajectories: A Method for Parallel Application and Architectural Performance Analysis. HPCS Khaled Z. Ibrahim, Samuel Williams, Leonid Oliker
2018	B	`conf`	SIMD code generation for stencils on brick decompositions. PPoPP Tuowen Zhao, Mary W. Hall, Protonu Basu, Samuel Williams, Hans Johansen
2017	J	`jnl`	A High Performance Block Eigensolver for Nuclear Configuration Interaction Calculations. IEEE Trans. Parallel Distributed Syst. Hasan Metin Aktulga, Md. Afibuzzaman, Samuel Williams, Aydin Buluç, Meiyue Shao, Chao Yang, Esmond G. Ng, Pieter Maris, James P. Vary
2017	—	`conf`	A Locality-Based Threading Algorithm for the Configuration-Interaction Method. IPDPS Workshops Hongzhang Shan, Samuel Williams, Calvin W. Johnson, Kenneth S. McElvain
2017	—	`conf`	Analyzing Performance of Selected NESAP Applications on the Cori HPC System. ISC Workshops Thorsten Kurth, William Arndt, Taylor Barnes, Brandon Cook, Jack Deslippe, Douglas Doerfler, Brian Friesen, Yun (Helen) He, Tuomas Koskela, Mathieu Lobet, Tareq M. Malas, Leonid Oliker, Andrey Ovsyannikov, Samuel Williams, Woo-Sun Yang, Zhengji Zhao
2017	J	`jnl`	Compiler-based code generation and autotuning for geometric multigrid on GPU-accelerated supercomputers. Parallel Comput. Protonu Basu, Samuel Williams, Brian van Straalen, Leonid Oliker, Phillip Colella, Mary W. Hall
2017	J	`jnl`	Cross-scale efficient tensor contractions for coupled cluster computations through multiple programming model backends. J. Parallel Distributed Comput. Khaled Z. Ibrahim, Evgeny Epifanovsky, Samuel Williams, Anna I. Krylov
2017	—	`conf`	Performance Variability on Xeon Phi. ISC Workshops Brandon Cook, Thorsten Kurth, Brian Austin, Samuel Williams, Jack Deslippe
2017	—	`conf`	Performance analysis and optimization of the RAMPAGE metal alloy potential generation software. SEPS@SPLASH Philip C. Roth, Hongzhang Shan, David Riegner, Nikolas Antolin, Sarat Sreepathi, Leonid Oliker, Samuel Williams, Shirley Moore, Wolfgang Windl
2017	J	`jnl`	Reaching bandwidth saturation using transparent injection parallelization. Int. J. High Perform. Comput. Appl. Nicholas Chaimov, Khaled Z. Ibrahim, Samuel Williams, Costin Iancu
2017	—	`conf`	Simultaneously Solving Swarms of Small Sparse Systems on SIMD Silicon. IPDPS Workshops Bryce Adelstein-Lelbach, Hans Johansen, Samuel Williams
2017	—	`conf`	Snowflake: A Lightweight Portable Stencil DSL. IPDPS Workshops Nathan Zhang, Michael B. Driscoll, Charles Markley, Samuel Williams, Protonu Basu, Armando Fox
2016	J	`jnl`	An Efficient Multicore Implementation of a Novel HSS-Structured Multifrontal Solver Using Randomized Sampling. SIAM J. Sci. Comput. Pieter Ghysels, Xiaoye S. Li, François-Henry Rouet, Samuel Williams, Artem Napov
2016	—	`conf`	Applying the Roofline Performance Model to the Intel Xeon Phi Knights Landing Processor. ISC Workshops Douglas Doerfler, Jack Deslippe, Samuel Williams, Leonid Oliker, Brandon Cook, Thorsten Kurth, Mathieu Lobet, Tareq M. Malas, Jean-Luc Vay, Henri Vincenti
2016	—	`conf`	Evaluating and Optimizing the NERSC Workload on Knights Landing. PMBS@SC Taylor Barnes, Brandon Cook, Jack Deslippe, Douglas Doerfler, Brian Friesen, Yun (Helen) He, Thorsten Kurth, Tuomas Koskela, Mathieu Lobet, Tareq M. Malas, Leonid Oliker, Andrey Ovsyannikov, Abhinav Sarje, Jean-Luc Vay, Henri Vincenti, Samuel Williams, Pierre Carrier, Nathan Wichmann, Marcus Wagner, Paul R. C. Kent, Christopher Kerr, John M. Dennis
2016	—	`conf`	Experiences of Applying One-Sided Communication to Nearest-Neighbor Communication. PAW@SC Hongzhang Shan, Samuel Williams, Yili Zheng, Weiqun Zhang, Bei Wang, Stéphane Ethier, Zhengji Zhao
2016	J	`jnl`	Exploiting Multiple Levels of Parallelism in Sparse Matrix-Matrix Multiplication. SIAM J. Sci. Comput. Ariful Azad, Grey Ballard, Aydin Buluç, James Demmel, Laura Grigori, Oded Schwartz, Sivan Toledo, Samuel Williams
2016	A	`conf`	Extreme scale plasma turbulence simulations on top supercomputers worldwide. SC William M. Tang, Bei Wang, Stéphane Ethier, Grzegorz Kwasniewski, Torsten Hoefler, Khaled Z. Ibrahim, Kamesh Madduri, Samuel Williams, Leonid Oliker, Carlos Rosales-Fernandez, Timothy J. Williams
2016	—	`conf`	OpenMP Parallelization and Optimization of Graph-Based Machine Learning Algorithms. IWOMP Zhaoyi Meng, Alice Koniges, Yun (Helen) He, Samuel Williams, Thorsten Kurth, Brandon Cook, Jack Deslippe, Andrea L. Bertozzi
2015	J	`jnl`	An efficient multi-core implementation of a novel HSS-structured multifrontal solver using randomized sampling. CoRR Pieter Ghysels, Xiaoye S. Li, François-Henry Rouet, Samuel Williams, Artem Napov
2015	—	`conf`	Comparative Performance Analysis of Coarse Solvers for Algebraic Multigrid on Multicore and Manycore Architectures. PPAM (1) Alex Druinsky, Pieter Ghysels, Xiaoye S. Li, Osni Marques, Samuel Williams, Andrew T. Barker, Delyan Kalchev, Panayot S. Vassilevski
2015	A	`conf`	Compiler-Directed Transformation for Higher-Order Stencils. IPDPS Protonu Basu, Mary W. Hall, Samuel Williams, Brian van Straalen, Leonid Oliker, Phillip Colella
2015	J	`jnl`	ExaSAT: An exascale co-design tool for performance modeling. Int. J. High Perform. Comput. Appl. Didem Unat, Cy P. Chan, Weiqun Zhang, Samuel Williams, John Bachan, John B. Bell, John Shalf
2015	J	`jnl`	Exploiting Multiple Levels of Parallelism in Sparse Matrix-Matrix Multiplication. CoRR Ariful Azad, Grey Ballard, Aydin Buluç, James Demmel, Laura Grigori, Oded Schwartz, Sivan Toledo, Samuel Williams
2015	—	`conf`	Exploiting communication concurrency on high performance computing systems. PMAM@PPoPP Nicholas Chaimov, Khaled Z. Ibrahim, Samuel Williams, Costin Iancu
2015	J	`jnl`	Modern Gyrokinetic Particle-In-Cell Simulation of Fusion Plasmas on Top Supercomputers. CoRR Bei Wang, Stéphane Ethier, William M. Tang, Khaled Z. Ibrahim, Kamesh Madduri, Samuel Williams, Leonid Oliker
2015	Misc	`conf`	Parallel Performance Optimizations on Unstructured Mesh-based Simulations. ICCS Abhinav Sarje, Sukhyun Song, Douglas Jacobsen, Kevin A. Huck, Jeffrey K. Hollingsworth, Allen D. Malony, Samuel Williams, Leonid Oliker
2015	A	`conf`	Parallel implementation and performance optimization of the configuration-interaction method. SC Hongzhang Shan, Samuel Williams, Calvin W. Johnson, Kenneth S. McElvain, W. Erich Ormand
2015	J	`jnl`	Parallel processing of filtered queries in attributed semantic graphs. J. Parallel Distributed Comput. Adam Lugowski, Shoaib Kamil, Aydin Buluç, Samuel Williams, Erika Duriakova, Leonid Oliker, Armando Fox, John R. Gilbert
2015	—	`conf`	Thread-level parallelization and optimization of NWChem for the Intel MIC architecture. PMAM@PPoPP Hongzhang Shan, Samuel Williams, Wibe de Jong, Leonid Oliker
2014	A	`conf`	Collective memory transfers for multi-core chips. ICS George Michelogiannakis, Alexander Williams, Samuel Williams, John Shalf
2014	—	`conf`	Evaluation of PGAS Communication Paradigms with Geometric Multigrid. PGAS Hongzhang Shan, Amir Kamil, Samuel Williams, Yili Zheng, Katherine A. Yelick
2014	A	`conf`	Optimizing Sparse Matrix-Multiple Vectors Multiplication for Nuclear Configuration Interaction Calculations. IPDPS Hasan Metin Aktulga, Aydin Buluç, Samuel Williams, Chao Yang
2014	—	`conf`	Roofline Model Toolkit: A Practical Tool for Architectural and Program Analysis. PMBS@SC Yu Jung Lo, Samuel Williams, Brian van Straalen, Terry J. Ligocki, Matthew J. Cordery, Nicholas J. Wright, Mary W. Hall, Leonid Oliker
2014	A	`conf`	s-Step Krylov Subspace Methods as Bottom Solvers for Geometric Multigrid. IPDPS Samuel Williams, Mike Lijewski, Ann S. Almgren, Brian van Straalen, Erin Carson, Nicholas Knight, James Demmel
2013	J	`jnl`	Analysis and optimization of gyrokinetic toroidal simulations on homogenous and heterogenous platforms. Int. J. High Perform. Comput. Appl. Khaled Z. Ibrahim, Kamesh Madduri, Samuel Williams, Bei Wang, Stéphane Ethier, Leonid Oliker
2013	Misc	`conf`	Compiler generation and autotuning of communication-avoiding operators for geometric multigrid. HiPC Protonu Basu, Anand Venkat, Mary W. Hall, Samuel Williams, Brian van Straalen, Leonid Oliker
2013	A	`conf`	High-Productivity and High-Performance Analysis of Filtered Semantic Graphs. IPDPS Aydin Buluç, Erika Duriakova, Armando Fox, John R. Gilbert, Shoaib Kamil, Adam Lugowski, Leonid Oliker, Samuel Williams
2013	A	`conf`	Kinetic turbulence simulations at extreme scale on leadership-class systems. SC Bei Wang, Stéphane Ethier, William M. Tang, Timothy J. Williams, Khaled Z. Ibrahim, Kamesh Madduri, Samuel Williams, Leonid Oliker
2013	—	`conf`	Loop Chaining: A Programming Abstraction for Balancing Locality and Parallelism. IPDPS Workshops Christopher D. Krieger, Michelle Mills Strout, Catherine Olschanowsky, Andrew Stone, Stephen M. Guzik, Xinfeng Gao, Carlo Bertolli, Paul H. J. Kelly, Gihan R. Mudalige, Brian van Straalen, Samuel Williams
2012	B	`conf`	High-performance analysis of filtered semantic graphs. PACT Aydin Buluç, Armando Fox, John R. Gilbert, Shoaib Kamil, Adam Lugowski, Leonid Oliker, Samuel Williams
2012	J	`jnl`	Optimization of Parallel Particle-to-Grid Interpolation on Leading Multicore Platforms. IEEE Trans. Parallel Distributed Syst. Kamesh Madduri, Jimmy Su, Samuel Williams, Leonid Oliker, Stéphane Ethier, Katherine A. Yelick
2012	A	`conf`	Optimization of geometric multigrid for emerging multi- and manycore processors. SC Samuel Williams, Dhiraj D. Kalamkar, Amik Singh, Anand M. Deshpande, Brian van Straalen, Mikhail Smelyanskiy, Ann S. Almgren, Pradeep Dubey, John Shalf, Leonid Oliker
2011	A	`conf`	Extracting ultra-scale Lattice Boltzmann performance via hierarchical and distributed auto-tuning. SC Samuel Williams, Leonid Oliker, Jonathan Carter, John Shalf
2011	J	`jnl`	Gyrokinetic particle-in-cell optimization on emerging multi- and manycore platforms. Parallel Comput. Kamesh Madduri, Eun-Jin Im, Khaled Z. Ibrahim, Samuel Williams, Stéphane Ethier, Leonid Oliker
2011	A	`conf`	Gyrokinetic toroidal simulations on leading multi- and manycore HPC systems. SC Kamesh Madduri, Khaled Z. Ibrahim, Samuel Williams, Eun-Jin Im, Stéphane Ethier, John Shalf, Leonid Oliker
2011	A	`conf`	Hardware/software co-design for energy-efficient seismic modeling. SC Jens Krueger, David Donofrio, John Shalf, Marghoob Mohiyuddin, Samuel Williams, Leonid Oliker, Franz-Josef Pfreundt
2011	A	`conf`	Reduced-Bandwidth Multithreaded Algorithms for Sparse Matrix-Vector Multiplication. IPDPS Aydin Buluç, Samuel Williams, Leonid Oliker, James Demmel
2010	A	`conf`	An auto-tuning framework for parallel multicore stencil computations. IPDPS Shoaib Kamil, Cy P. Chan, Leonid Oliker, John Shalf, Samuel Williams
2010	—	`ch.`	Auto-Tuning Stencil Computations on Multicore and Accelerators. Scientific Computing with Multicore and Accelerators Kaushik Datta, Samuel Williams, Vasily Volkov, Jonathan Carter, Leonid Oliker, John Shalf, Katherine A. Yelick
2010	A	`conf`	Optimizing and tuning the fast multipole method for state-of-the-art multicore architectures. IPDPS Aparna Chandramowlishwaran, Samuel Williams, Leonid Oliker, Ilya Lashuk, George Biros, Richard W. Vuduc
2010	—	`ch.`	Sparse Matrix-Vector Multiplication on Multicore and Accelerators. Scientific Computing with Multicore and Accelerators Samuel Williams, Nathan Bell, Jee Whan Choi, Michael Garland, Leonid Oliker, Richard Vu
2009	A	`conf`	A design methodology for domain-optimized power-efficient supercomputing. SC Marghoob Mohiyuddin, Mark Murphy, Leonid Oliker, John Shalf, John Wawrzynek, Samuel Williams
2009	—	`conf`	Improving Memory Subsystem Performance Using ViVA: Virtual Vector Architecture. ARCS Joseph Gebis, Leonid Oliker, John Shalf, Samuel Williams, Katherine A. Yelick
2009	A	`conf`	Memory-efficient optimization of Gyrokinetic particle-to-grid interpolation for multicore processors. SC Kamesh Madduri, Samuel Williams, Stéphane Ethier, Leonid Oliker, John Shalf, Erich Strohmaier, Katherine A. Yelick
2009	J	`jnl`	Optimization and Performance Modeling of Stencil Computations on Modern Microprocessors. SIAM Rev. Kaushik Datta, Shoaib Kamil, Samuel Williams, Leonid Oliker, John Shalf, Katherine A. Yelick
2009	J	`jnl`	Optimization of a lattice Boltzmann computation on state-of-the-art multicore platforms. J. Parallel Distributed Comput. Samuel Williams, Jonathan Carter, Leonid Oliker, John Shalf, Katherine A. Yelick
2009	J	`jnl`	Optimization of sparse matrix-vector multiplication on emerging multicore platforms. Parallel Comput. Samuel Williams, Leonid Oliker, Richard W. Vuduc, John Shalf, Katherine A. Yelick, James Demmel
2009	J	`jnl`	Roofline: an insightful visual performance model for multicore architectures. Commun. ACM Samuel Williams, Andrew Waterman, David A. Patterson
2009	J	`jnl`	The impact of IBM Cell technology on the programming paradigm in the context of computer systems for climate and weather models. Concurr. Comput. Pract. Exp. Shujia Zhou, Daniel C. Duffy, Tom Clune, Max Suarez, Samuel Williams, Milton Halem
2008	A	`conf`	Lattice Boltzmann simulation optimization on leading multicore platforms. IPDPS Samuel Williams, Jonathan Carter, Leonid Oliker, John Shalf, Katherine A. Yelick
2008	A	`conf`	Stencil computation optimization and auto-tuning on state-of-the-art multicore architectures. SC Kaushik Datta, Mark Murphy, Vasily Volkov, Samuel Williams, Jonathan Carter, Leonid Oliker, David A. Patterson, John Shalf, Katherine A. Yelick
2007	A	`conf`	Optimization of sparse matrix-vector multiplication on emerging multicore platforms. SC Samuel Williams, Leonid Oliker, Richard W. Vuduc, John Shalf, Katherine A. Yelick, James Demmel
2007	J	`jnl`	Scientific Computing Kernels on the Cell Processor. Int. J. Parallel Program. Samuel Williams, John Shalf, Leonid Oliker, Shoaib Kamil, Parry Husbands, Katherine A. Yelick
2006	—	`conf`	Implicit and explicit optimizations for stencil computations. Memory System Performance and Correctness Shoaib Kamil, Kaushik Datta, Samuel Williams, Leonid Oliker, John Shalf, Katherine A. Yelick
2006	—	`conf`	The potential of the cell processor for scientific computing. Conf. Computing Frontiers Samuel Williams, John Shalf, Leonid Oliker, Shoaib Kamil, Parry Husbands, Katherine A. Yelick
2001	J	`jnl`	Hardware/compiler codevelopment for an embedded media processor. Proc. IEEE Christoforos E. Kozyrakis, David Judd, Joseph Gebis, Samuel Williams, David A. Patterson, Katherine A. Yelick