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Journal Articles
- 2023
[j16]Torsten Hoefler
, Duncan Roweth, Keith D. Underwood, Robert Alverson, Mark Griswold, Vahid Tabatabaee, Mohan Kalkunte, Surendra Anubolu, Siyuan Shen, Moray McLaren, Abdul Kabbani, Steve Scott:
Data Center Ethernet and Remote Direct Memory Access: Issues at Hyperscale. Computer 56(7): 67-77 (2023)- [j15]Taylor L. Groves, Naveen Ravichandrasekaran, Brandon Cook, Noel Keen, David Trebotich, Nicholas J. Wright, Bob Alverson, Duncan Roweth, Keith D. Underwood:
Not all applications have boring communication patterns: Profiling message matching with BMM. Concurr. Comput. Pract. Exp. 35(15) (2023) - 2016
- [j14]Salvatore Di Girolamo, Pierre Jolivet, Keith D. Underwood, Torsten Hoefler:
Exploiting Offload-Enabled Network Interfaces. IEEE Micro 36(4): 6-17 (2016) - [j13]Mark S. Birrittella, Mark Debbage, Ram Huggahalli, James Kunz, Tom Lovett, Todd Rimmer, Keith D. Underwood, Robert C. Zak:
Enabling Scalable High-Performance Systems with the Intel Omni-Path Architecture. IEEE Micro 36(4): 38-47 (2016) - 2015
- [j12]Torsten Hoefler, James Dinan, Rajeev Thakur, Brian Barrett, Pavan Balaji, William Gropp, Keith D. Underwood:
Remote Memory Access Programming in MPI-3. ACM Trans. Parallel Comput. 2(2): 9:1-9:26 (2015) - 2011
- [j11]Kyle Rupnow, Keith D. Underwood, Katherine Compton:
Scientific Application Demands on a Reconfigurable Functional Unit Interface. ACM Trans. Reconfigurable Technol. Syst. 4(2): 19:1-19:30 (2011) - 2010
- [j10]Ron Brightwell, Keith D. Underwood, Courtenay T. Vaughan, Joel Stevenson:
Performance evaluation of the Red Storm dual-core upgrade. Concurr. Comput. Pract. Exp. 22(2): 175-190 (2010) - [j9]K. Scott Hemmert, Keith D. Underwood:
Fast, Efficient Floating-Point Adders and Multipliers for FPGAs. ACM Trans. Reconfigurable Technol. Syst. 3(3): 11:1-11:30 (2010) - 2009
- [j8]Keith D. Underwood, K. Scott Hemmert, Craig D. Ulmer:
From Silicon to Science: The Long Road to Production Reconfigurable Supercomputing. ACM Trans. Reconfigurable Technol. Syst. 2(4): 26:1-26:15 (2009) - 2008
- [j7]Michael J. Beauchamp, Scott Hauck, Keith D. Underwood, K. Scott Hemmert:
Architectural Modifications to Enhance the Floating-Point Performance of FPGAs. IEEE Trans. Very Large Scale Integr. Syst. 16(2): 177-187 (2008) - 2007
- [j6]K. Scott Hemmert, Keith D. Underwood:
Floating-Point Divider Design for FPGAs. IEEE Trans. Very Large Scale Integr. Syst. 15(1): 115-118 (2007) - 2006
- [j5]Ron Brightwell, Sue Goudy, Arun Rodrigues, Keith D. Underwood:
Implications of application usage characteristics for collective communication offload. Int. J. High Perform. Comput. Netw. 4(3/4): 104-116 (2006) - [j4]Ron Brightwell, Kevin T. Pedretti, Keith D. Underwood, Trammell Hudson:
SeaStar Interconnect: Balanced Bandwidth for Scalable Performance. IEEE Micro 26(3): 41-57 (2006) - 2005
- [j3]Ron Brightwell, Rolf Riesen, Keith D. Underwood:
Analyzing the Impact of Overlap, Offload, and Independent Progress for Message Passing Interface Applications. Int. J. High Perform. Comput. Appl. 19(2): 103-117 (2005) - 2004
- [j2]Keith D. Underwood, Walter B. Ligon III, Ron R. Sass:
An Analysis of the Cost Effectiveness of an Adaptable Computing Cluster. Clust. Comput. 7(4): 357-371 (2004) - 2003
- [j1]Keith D. Underwood, Walter B. Ligon III, Ron Sass:
Analysis of a prototype intelligent network interface. Concurr. Comput. Pract. Exp. 15(7-8): 751-777 (2003)
Conference and Workshop Papers
- 2017
- [c63]Timo Schneider, James Dinan, Mario Flajslik, Keith D. Underwood, Torsten Hoefler:
Fast Networks and Slow Memories: A Mechanism for Mitigating Bandwidth Mismatches. Hot Interconnects 2017: 17-24 - 2016
- [c62]Mario Flajslik, James Dinan, Keith D. Underwood:
Mitigating MPI Message Matching Misery. ISC 2016: 281-299 - 2015
- [c61]Mark S. Birrittella, Mark Debbage, Ram Huggahalli, James Kunz, Tom Lovett, Todd Rimmer, Keith D. Underwood, Robert C. Zak:
Intel® Omni-path Architecture: Enabling Scalable, High Performance Fabrics. Hot Interconnects 2015: 1-9 - [c60]Salvatore Di Girolamo, Pierre Jolivet, Keith D. Underwood, Torsten Hoefler:
Exploiting Offload Enabled Network Interfaces. Hot Interconnects 2015: 26-33 - 2014
- [c59]James Dinan, Clement Cole, Gabriele Jost, Stan Smith, Keith D. Underwood, Robert W. Wisniewski:
Reducing Synchronization Overhead Through Bundled Communication. OpenSHMEM 2014: 163-177 - 2013
- [c58]Keith D. Underwood, Eric Borch, John Sizer, Timothy Stremcha, Michael Strom:
Evaluating on-die interconnects for a 4 TB/s router. ICS 2013: 203-212 - 2012
- [c57]Keith D. Underwood, Eric Borch:
Exploiting communication and packaging locality for cost-effective large scale networks. ICS 2012: 291-300 - [c56]Brian W. Barrett, Ron Brightwell, Keith D. Underwood:
A Low Impact Flow Control Implementation for Offload Communication Interfaces. EuroMPI 2012: 27-36 - [c55]Brian Barrett, Ron Brightwell, Keith D. Underwood, K. Scott Hemmert:
Poster: Portals 4 Network Programming Interface. SC Companion 2012: 1467 - 2011
- [c54]Keith D. Underwood, Jerrie Coffman, Roy Larsen, K. Scott Hemmert, Brian W. Barrett, Ron Brightwell, Michael J. Levenhagen:
Enabling Flexible Collective Communication Offload with Triggered Operations. Hot Interconnects 2011: 35-42 - [c53]Brian W. Barrett, Ron Brightwell, K. Scott Hemmert, Kevin T. Pedretti, Kyle B. Wheeler, Keith D. Underwood:
Enhanced Support for OpenSHMEM Communication in Portals. Hot Interconnects 2011: 61-69 - [c52]Keith D. Underwood, Eric Borch:
A Unified Algorithm for Both Randomized Deterministic and Adaptive Routing in Torus Networks. IPDPS Workshops 2011: 723-732 - [c51]Brian W. Barrett, Ron Brightwell, K. Scott Hemmert, Kyle B. Wheeler, Keith D. Underwood:
Using Triggered Operations to Offload Rendezvous Messages. EuroMPI 2011: 120-129 - 2010
- [c50]Ron Brightwell, Brian W. Barrett, Karl S. Hemmert, Keith D. Underwood:
Challenges for High-Performance Networking for Exascale Computing. ICCCN 2010: 1-6 - [c49]K. Scott Hemmert, Brian W. Barrett, Keith D. Underwood:
Using Triggered Operations to Offload Collective Communication Operations. EuroMPI 2010: 249-256 - 2008
- [c48]Keith D. Underwood:
From Silicon to Science: The Long Road to Production Reconfigurable Supercomputing. ARC 2008: 2 - [c47]Keith D. Underwood, Michael J. Levenhagen, K. Scott Hemmert, Ron Brightwell:
High message rate, NIC-based atomics: Design and performance considerations. CLUSTER 2008: 133-141 - 2007
- [c46]K. Scott Hemmert, Keith D. Underwood, Arun Rodrigues:
An architecture to perform NIC based MPI matching. CLUSTER 2007: 211-221 - [c45]Kyle Rupnow, Keith D. Underwood, Katherine Compton:
Scientific Application Acceleration with Reconfigurable Functional Units. FCCM 2007: 261-274 - [c44]Keith D. Underwood, Michael J. Levenhagen, Arun Rodrigues:
Simulating Red Storm: Challenges and Successes in Building a System Simulation. IPDPS 2007: 1-10 - [c43]Keith D. Underwood, Megan Vance, Jonathan W. Berry, Bruce Hendrickson:
Analyzing the Scalability of Graph Algorithms on Eldorado. IPDPS 2007: 1-8 - [c42]Keith D. Underwood, Michael J. Levenhagen, Ron Brightwell:
Evaluating NIC hardware requirements to achieve high message rate PGAS support on multi-core processors. SC 2007: 36 - 2006
- [c41]Steven J. Plimpton, Ron Brightwell, Courtenay T. Vaughan, Keith D. Underwood, Mike Davis:
A Simple Synchronous Distributed-Memory Algorithm for the HPCC RandomAccess Benchmark. CLUSTER 2006 - [c40]Arun Rodrigues, Kyle B. Wheeler, Peter M. Kogge, Keith D. Underwood:
Fine-Grained Message Pipelining for Improved MPI Performance. CLUSTER 2006 - [c39]K. Scott Hemmert, Keith D. Underwood:
Open Source High Performance Floating-Point Modules. FCCM 2006: 349-350 - [c38]Michael J. Beauchamp, Scott Hauck, Keith D. Underwood, K. Scott Hemmert:
Embedded floating-point units in FPGAs. FPGA 2006: 12-20 - [c37]Michael J. Beauchamp, Scott Hauck, Keith D. Underwood, K. Scott Hemmert:
Architectural Modifications to Improve Floating-Point Unit Efficiency in FPGAs. FPL 2006: 1-6 - [c36]Kyle Rupnow, Arun Rodrigues, Keith D. Underwood, Katherine Compton:
Scientific applications vs. SPEC-FP: a comparison of program behavior. ICS 2006: 66-74 - [c35]Ron Brightwell, Douglas Doerfler, Keith D. Underwood:
A preliminary analysis of the InfiniPath and XD1 network interfaces. IPDPS 2006 - [c34]Keith D. Underwood:
Challenges and Issues in Benchmarking MPI. PVM/MPI 2006: 339-346 - [c33]Tarek A. El-Ghazawi, Dave Bennett, Daniel S. Poznanovic, Allan Cantle, Keith D. Underwood, Rob Pennington, Duncan A. Buell, Alan D. George, Volodymyr V. Kindratenko:
Reconfigurable supercomputing - Is high-performance reconfigurable computing the next supercomputing paradigm? SC 2006: 71 - [c32]Keith D. Underwood, K. Scott Hemmert, Craig D. Ulmer:
Tools and techniques for performance - Architectures and APIs: assessing requirements for delivering FPGA performance to applications. SC 2006: 111 - [c31]Arun Rodrigues, Richard C. Murphy, Peter M. Kogge, Keith D. Underwood:
Poster reception - The structural simulation toolkit: exploring novel architectures. SC 2006: 157 - 2005
- [c30]Ron Brightwell, Trammell Hudson, Kevin T. Pedretti, Rolf Riesen, Keith D. Underwood:
Implementation and Performance of Portals 3.3 on the Cray XT3. CLUSTER 2005: 1-10 - [c29]Keith D. Underwood, Arun Rodrigues, K. S. Hemmeit:
Accelerating List Management for MPI. CLUSTER 2005: 1-10 - [c28]K. Scott Hemmert, Keith D. Underwood:
An Analysis of the Double-Precision Floating-Point FFT on FPGAs. FCCM 2005: 171-180 - [c27]Michael Haselman, Michael J. Beauchamp, Aaron Wood, Scott Hauck, Keith D. Underwood, K. Scott Hemmert:
A Comparison of Floating Point and Logarithmic Number Systems for FPGAs. FCCM 2005: 181-190 - [c26]Ron Brightwell, Kevin T. Pedretti, Keith D. Underwood:
Initial Performance Evaluation of the Cray SeaStar Interconnect. Hot Interconnects 2005: 51-57 - [c25]Ron Brightwell, Sue Goudy, Keith D. Underwood:
A Preliminary Analysis of the MPI Queue Characteristics of Several Applications. ICPP 2005: 175-183 - [c24]William Lawry, Keith D. Underwood:
Considering the Relative Importance of Network Performance and Network Features. ICPP 2005: 329-337 - [c23]Richard C. Murphy, Arun Rodrigues, Peter M. Kogge, Keith D. Underwood:
The implications of working set analysis on supercomputing memory hierarchy design. ICS 2005: 332-340 - [c22]Krishna Muriki, Keith D. Underwood, Ron Sass:
RC-BLAST: Towards a Portable, Cost-Effective Open Source Hardware Implementation. IPDPS 2005 - [c21]Arun Rodrigues, Richard C. Murphy, Ron Brightwell, Keith D. Underwood:
Enhancing NIC Performance for MPI using Processing-in-Memory. IPDPS 2005 - [c20]Keith D. Underwood, K. Scott Hemmert, Arun Rodrigues, Richard C. Murphy, Ron Brightwell:
A Hardware Acceleration Unit for MPI Queue Processing. IPDPS 2005 - 2004
- [c19]Ron Brightwell, Douglas Doerfler, Keith D. Underwood:
A comparison of 4X InfiniBand and Quadrics Elan-4 technologies. CLUSTER 2004: 193-204 - [c18]Keith D. Underwood, K. Scott Hemmert:
Closing the Gap: CPU and FPGA Trends in Sustainable Floating-Point BLAS Performance. FCCM 2004: 219-228 - [c17]Keith D. Underwood:
FPGAs vs. CPUs: trends in peak floating-point performance. FPGA 2004: 171-180 - [c16]Keith D. Underwood, Ron Brightwell:
The Impact of MPI Queue Usage on Message Latency. ICPP 2004: 152-160 - [c15]Arun Rodrigues, Richard C. Murphy, Peter M. Kogge, Keith D. Underwood:
Characterizing a new class of threads in scientific applications for high end supercomputers. ICS 2004: 164-174 - [c14]Ron Brightwell, Keith D. Underwood:
An analysis of the impact of MPI overlap and independent progress. ICS 2004: 298-305 - [c13]Ron Brightwell, Keith D. Underwood:
An Analysis of NIC Resource Usage for Offloading MPI. IPDPS 2004 - [c12]Ron Brightwell, Keith D. Underwood, Rolf Riesen:
An Initial Analysis of the Impact of Overlap and Independent Progress for MPI. PVM/MPI 2004: 370-377 - 2003
- [c11]Ron Brightwell, Rolf Riesen, Keith D. Underwood, Trammell Hudson, Patrick G. Bridges, Arthur B. Maccabe:
A Performance Comparison of Linux and a Lightweight Kernel. CLUSTER 2003: 251-258 - [c10]Arun Rodrigues, Richard C. Murphy, Peter M. Kogge, Jay B. Brockman, Ron Brightwell, Keith D. Underwood:
Implications of a PIM Architectural Model for MPI. CLUSTER 2003: 259- - [c9]Ranjesh G. Jaganathan, Keith D. Underwood, Ron R. Sass:
A Configurable Network Protocol for Cluster Based Communications using Modular Hardware Primitives on an Intelligent NIC. FCCM 2003: 286-287 - [c8]Ron Brightwell, Keith D. Underwood:
Evaluation of an Eager Protocol Optimization for MPI. PVM/MPI 2003: 327-334 - [c7]Ranjesh G. Jaganathan, Keith D. Underwood, Ron Sass:
A Configurable Network Protocol for Cluster Based Communications using Modular Hardware Primitives on an Intelligent NIC. SC 2003: 22 - 2002
- [c6]Peter Bellows, Jaroslav Flidr, Tom Lehman, Brian Schott, Keith D. Underwood:
GRIP: A Reconfigurable Architecture for Host-Based Gigabit-Rate Packet Processing. FCCM 2002: 121-130 - 2001
- [c5]Keith D. Underwood, Ron Sass, Walter B. Ligon III:
A Reconfigurable Extension to the Network Interface of Beowulf Clusters. CLUSTER 2001: 212- - [c4]Keith D. Underwood, Ron R. Sass, Walter B. Ligon III:
Acceleration of a 2D-FFT on an Adaptable Computing Cluster. FCCM 2001: 180-189 - [c3]Keith D. Underwood, Ron R. Sass, Walter B. Ligon III:
Cost effectiveness of an adaptable computing cluster. SC 2001: 54 - 1998
- [c2]Walter B. Ligon III, Scott McMillan, Greg Monn, Kevin Schoonover, Fred Stivers, Keith D. Underwood:
A Re-evaluation of the Practicality of Floating-Point Operations on FPGAs. FCCM 1998: 206-215 - [c1]Walter B. Ligon III, Greg Monn, S. P. McMillan, Kevin Schoonover, Fred Stivers, Keith D. Underwood:
Implementation of IEEE Single-Precision Floating-Point Operations on FPGAs (Abstract). FPGA 1998: 258
Informal and Other Publications
- 2023
- [i1]Torsten Hoefler, Duncan Roweth, Keith D. Underwood, Bob Alverson, Mark Griswold, Vahid Tabatabaee, Mohan Kalkunte, Surendra Anubolu, Siyuan Shen, Abdul Kabbani, Moray McLaren, Steve Scott:
Datacenter Ethernet and RDMA: Issues at Hyperscale. CoRR abs/2302.03337 (2023)
Coauthor Index
Karl S. Hemmert
aka: K. Scott Hemmert
aka: K. Scott Hemmert
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