Efficient Barrier and Allreduce on Infiniband clusters using multicast and adaptive algorithms. - Amith R. Mamidala; Jiuxing Liu; Dhabaleswar K. Panda 001 (CLUSTER, 2004)

Performance evaluation of InfiniBand with PCI Express. - Jiuxing Liu; Amith R. Mamidala; Abhinav Vishnu; Dhabaleswar K. Panda 001 (Hot Interconnects, 2004)

Fast and Scalable MPI-Level Broadcast Using InfiniBand?s Hardware Multicast Support. - Jiuxing Liu; Amith R. Mamidala; Dhabaleswar K. Panda 001 (IPDPS, 2004)

High Performance RDMA Based All-to-All Broadcast for InfiniBand Clusters. - Sayantan Sur; Uday Bondhugula; Amith R. Mamidala; Hyun-Wook Jin; Dhabaleswar K. Panda 001 (HiPC, 2005)

Performance Modeling of Subnet Management on Fat Tree InfiniBand Networks using OpenSM. - Abhinav Vishnu; Amith R. Mamidala; Hyun-Wook Jin; Dhabaleswar K. Panda 001 (IPDPS, 2005)

Efficient Hardware Multicast Group Management for Multiple MPI Communicators over InfiniBand. - Amith R. Mamidala; Hyun-Wook Jin; Dhabaleswar K. Panda 001 (PVM/MPI, 2005)

Evaluating InfiniBand Performance with PCI Express. - Jiuxing Liu; Amith R. Mamidala; Abhinav Vishnu; Dhabaleswar K. Panda 001 (IEEE Micro, 2005)

Efficient SMP-aware MPI-level broadcast over InfiniBand's hardware multicast. - Amith R. Mamidala; Lei Chai; Hyun-Wook Jin; Dhabaleswar K. Panda 001 (IPDPS, 2006)

Efficient Shared Memory and RDMA Based Design for MPI_Allgather over InfiniBand. - Amith R. Mamidala; Abhinav Vishnu; Dhabaleswar K. Panda 001 (PVM/MPI, 2006)

Scalable systems software - A software based approach for providing network fault tolerance in clusters with uDAPL interface: MPI level design and performance evaluation. - Abhinav Vishnu; Prachi Gupta; Amith R. Mamidala; Dhabaleswar K. Panda 001 (SC, 2006)

Hot-Spot Avoidance With Multi-Pathing Over InfiniBand: An MPI Perspective. - Abhinav Vishnu; Matthew J. Koop; Adam Moody; Amith R. Mamidala; Sundeep Narravula; Dhabaleswar K. Panda 001 (CCGRID, 2007)

High Performance MPI over iWARP: Early Experiences. - Sundeep Narravula; Amith R. Mamidala; Abhinav Vishnu; Gopalakrishnan Santhanaraman; Dhabaleswar K. Panda 001 (ICPP, 2007)

Automatic Path Migration over InfiniBand: Early Experiences. - Abhinav Vishnu; Amith R. Mamidala; Sundeep Narravula; Dhabaleswar K. Panda 001 (IPDPS, 2007)

On using connection-oriented vs. connection-less transport for performance and scalability of collective and one-sided operations: trade-offs and impact. - Amith R. Mamidala; Sundeep Narravula; Abhinav Vishnu; Gopalakrishnan Santhanaraman; Dhabaleswar K. Panda 001 (PPoPP, 2007)

MPI-2 One-Sided Usage and Implementation for Read Modify Write Operations: A Case Study with HPCC. - Gopalakrishnan Santhanaraman; Sundeep Narravula; Amith R. Mamidala; Dhabaleswar K. Panda 001 (PVM/MPI, 2007)

MPI Collectives on Modern Multicore Clusters: Performance Optimizations and Communication Characteristics. - Amith R. Mamidala; Rahul Kumar; Debraj De; Dhabaleswar K. Panda 001 (CCGRID, 2008)

Scaling alltoall collective on multi-core systems. - Rahul Kumar; Amith R. Mamidala; Dhabaleswar K. Panda 001 (IPDPS, 2008)

Lock-Free Asynchronous Rendezvous Design for MPI Point-to-Point Communication. - Rahul Kumar; Amith R. Mamidala; Matthew J. Koop; Gopalakrishnan Santhanaraman; Dhabaleswar K. Panda 001 (PVM/MPI, 2008)

Design alternatives for implementing fence synchronization in MPI-2 one-sided communication for InfiniBand clusters. - Gopalakrishnan Santhanaraman; Tejus Gangadharappa; Sundeep Narravula; Amith R. Mamidala; Dhabaleswar K. Panda 001 (CLUSTER, 2009)

MPI Collective Communications on The Blue Gene/P Supercomputer: Algorithms and Optimizations. - Ahmad Faraj; Sameer Kumar 001; Brian E. Smith; Amith R. Mamidala; John A. Gunnels (Hot Interconnects, 2009)

Designing Efficient FTP Mechanisms for High Performance Data-Transfer over InfiniBand. - Ping Lai; Hari Subramoni; Sundeep Narravula; Amith R. Mamidala; Dhabaleswar K. Panda 001 (ICPP, 2009)

MPI collective communications on the blue gene/p supercomputer: algorithms and optimizations. - Ahmad Faraj; Sameer Kumar 001; Brian E. Smith; Amith R. Mamidala; John A. Gunnels; Philip Heidelberger (ICS, 2009)

Topology agnostic hot-spot avoidance with InfiniBand. - Abhinav Vishnu; Matthew J. Koop; Adam Moody; Amith R. Mamidala; Sundeep Narravula; Dhabaleswar K. Panda 001 (Concurr. Comput. Pract. Exp., 2009)

Architecture of the Component Collective Messaging Interface. - Sameer Kumar 001; Ahmad Faraj; Amith R. Mamidala; Brian E. Smith; Gábor Dózsa; Bob Cernohous; John A. Gunnels; Douglas Miller; Joseph Ratterman; Philip Heidelberger (Int. J. High Perform. Comput. Appl., 2010)

Optimizing MPI Collectives Using Efficient Intra-node Communication Techniques over the Blue Gene/P Supercomputer. - Amith R. Mamidala; Daniel Faraj; Sameer Kumar 001; Douglas Miller; Michael Blocksome; Thomas Gooding; Philip Heidelberger; Gábor Dózsa (IPDPS Workshops, 2011)

PAMI: A Parallel Active Message Interface for the Blue Gene/Q Supercomputer. - Sameer Kumar 001; Amith R. Mamidala; Daniel Faraj; Brian E. Smith; Michael Blocksome; Bob Cernohous; Douglas Miller; Jeff Parker; Joseph Ratterman; Philip Heidelberger; Dong Chen 005; Burkhard D. Steinmacher-Burow (IPDPS, 2012)

Looking under the hood of the IBM blue gene/Q network. - Dong Chen 005; Noel Eisley; Philip Heidelberger; Sameer Kumar 001; Amith R. Mamidala; Fabrizio Petrini; Robert M. Senger; Yutaka Sugawara; Robert Walkup; Burkhard D. Steinmacher-Burow; Anamitra R. Choudhury; Yogish Sabharwal; et al. (SC, 2012)

IBM Blue Gene/Q system software stack. - Kyung Dong Ryu; Todd Inglett; Ralph Bellofatto; Michael Blocksome; Thomas Gooding; Sameer Kumar 001; Amith R. Mamidala; Mark Megerian; Sam Miller 003; Mike Nelson; Bryan S. Rosenburg; Brian E. Smith; et al. (IBM J. Res. Dev., 2013)

Optimization of MPI collective operations on the IBM Blue Gene/Q supercomputer. - Sameer Kumar 001; Amith R. Mamidala; Philip Heidelberger; Dong Chen 005; Daniel Faraj (Int. J. High Perform. Comput. Appl., 2014)

Optimization of Message Passing Services on POWER8 InfiniBand Clusters. - Sameer Kumar 001; Robert Blackmore; Sameh Sharkawi; K. A. Nysal Jan; Amith R. Mamidala; T. J. Chris Ward (EuroMPI, 2016)

MXNET-MPI: Embedding MPI parallelism in Parameter Server Task Model for scaling Deep Learning. - Amith R. Mamidala; Georgios Kollias; Chris Ward; Fausto Artico (CoRR, 2018)

Efficient Embedding of MPI Collectives in MXNET DAGs for scaling Deep Learning. - Amith R. Mamidala (CoRR, 2018)

Collage: Light-Weight Low-Precision Strategy for LLM Training. - Tao Yu; Gaurav Gupta; Karthick Gopalswamy; Amith R. Mamidala; Hao Zhou 036; Jeffrey Huynh; Youngsuk Park; Ron Diamant; Anoop Deoras; Luke Huan (ICML, 2024)

The Amazon Nova Family of Models: Technical Report and Model Card. - Amazon AGI; Aaron Langford; Aayush Shah; Abhanshu Gupta; Abhimanyu Bhatter; Abhinav Goyal 004; Abhinav Mathur; Abhinav Mohanty; Abhishek Kumar; Abhishek Sethi; Abi Komma; Abner Pena; et al. (CoRR, 2025)