A. Afsahi

Most-cited papers

Mercury: Enabling remote procedure call for high-performance computing
Jérôme Soumagne, D. Kimpe, Judicael A. Zounmevo, M. Chaarawi +3 more
2013IEEE International Conference on Cluster Computing89 citations
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Multi-core and Network Aware MPI Topology Functions
Mohammad J. Rashti, Jonathan Green, P. Balaji, A. Afsahi +1 more
2011European MPI Users Group Meeting68 citations
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10-Gigabit iWARP Ethernet: Comparative Performance Analysis with InfiniBand and Myrinet-10G
Mohammad J. Rashti, A. Afsahi
2007IEEE International Parallel and Distributed Processing Symposium56 citations
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Improving Communication Progress and Overlap in MPI Rendezvous Protocol over RDMA-enabled Interconnects
Mohammad J. Rashti, A. Afsahi
2008International Symposium on High Performance Computing Systems and Applications37 citations
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A study of hardware performance monitoring counter selection in power modeling of computing systems
Reza Zamani, A. Afsahi
20122012 International Green Computing Conference (IGCC)35 citations
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Power-performance efficiency of asymmetric multiprocessors for multi-threaded scientific applications
Ryan E. Grant, A. Afsahi
2006Proceedings 20th IEEE International Parallel & Distributed Processing Symposium34 citations
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Topology-Aware Rank Reordering for MPI Collectives
S. H. Mirsadeghi, A. Afsahi
2016IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum29 citations
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Performance characteristics of openMP constructs, and application benchmarks on a large symmetric multiprocessor
Nathan R. Fredrickson, A. Afsahi, Y. Qian
2003International Conference on Supercomputing28 citations
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RDMA Capable iWARP over Datagrams
Ryan E. Grant, Mohammad J. Rashti, A. Afsahi, P. Balaji
2011IEEE International Parallel and Distributed Processing Symposium23 citations
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Exploiting Common Neighborhoods to Optimize MPI Neighborhood Collectives
S. H. Mirsadeghi, Jesper Larsson Triff, P. Balaji, A. Afsahi
2017International Conference on High Performance Computing22 citations
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Efficient Communication Using Message Prediction for Cluster Multiprocessors
A. Afsahi, N. Dimopoulos
2000Workshop on Communication, Architecture, and Applications for Network-Based Parallel Computing22 citations
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Topology-Aware GPU Selection on Multi-GPU Nodes
Iman Faraji, S. H. Mirsadeghi, A. Afsahi
2016IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum21 citations
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Using MPI in high-performance computing services
Judicael A. Zounmevo, D. Kimpe, R. Ross, A. Afsahi
2013European MPI Users Group Meeting21 citations
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iWARP redefined: Scalable connectionless communication over high-speed Ethernet
Mohammad J. Rashti, Ryan E. Grant, A. Afsahi, P. Balaji
2010International Conference on High Performance Computing21 citations
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A feasibility analysis of power-awareness and energy minimization in modern interconnects for high-performance computing
Reza Zamani, A. Afsahi, Y. Qian, C. Hamacher
2007IEEE International Conference on Cluster Computing21 citations
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RDMA-based and SMP-aware Multi-port All-Gather on Multi-rail QsNet^II SMP Clusters
Y. Qian, A. Afsahi
2007International Conference on Parallel Processing21 citations
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A fast and resource-conscious MPI message queue mechanism for large-scale jobs
Judicael A. Zounmevo, A. Afsahi
2014Future generations computer systems20 citations
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Communication Characteristics of Message-Passing Scientific and Engineering Applications
Reza Zamani, A. Afsahi
2005IASTED PDCS20 citations
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A Comprehensive Analysis of OpenMP Applications on Dual-Core Intel Xeon SMPs
Ryan E. Grant, A. Afsahi
2007IEEE International Parallel and Distributed Processing Symposium18 citations
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An Analysis of QoS Provisioning for Sockets Direct Protocol vs. IPoIB over Modern InfiniBand Networks
Ryan E. Grant, Mohammad J. Rashti, A. Afsahi
2008International Conference on Parallel Processing17 citations
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Efficient RDMA-based multi-port collectives on multi-rail QsNet/sup II/ clusters
Y. Qian, A. Afsahi
2006Proceedings 20th IEEE International Parallel & Distributed Processing Symposium17 citations
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GPU-Aware Intranode MPI_Allreduce
Iman Faraji, A. Afsahi
2014EuroMPI/ASIA16 citations
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A Speculative and Adaptive MPI Rendezvous Protocol Over RDMA-enabled Interconnects
Mohammad J. Rashti, A. Afsahi
2009International journal of parallel programming16 citations
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Hiding communication latency in reconfigurable message-passing environments
A. Afsahi, N. Dimopoulos
1999Proceedings 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing. IPPS/SPDP 199916 citations
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Efficient Multi-Path NVLink/PCIe-Aware UCX based Collective Communication for Deep Learning
Y. Temuçin, AmirHossein Sojoodi, Pedram Alizadeh, A. Afsahi
2021IEEE Symposium on High-Performance Interconnects15 citations
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An Efficient MPI Message Queue Mechanism for Large-scale Jobs
Judicael A. Zounmevo, A. Afsahi
20122012 IEEE 18th International Conference on Parallel and Distributed Systems15 citations
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Process Arrival Pattern Aware Alltoall and Allgather on InfiniBand Clusters
Y. Qian, A. Afsahi
2011International journal of parallel programming15 citations
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Efficient communication using message prediction for clusters of multiprocessors
A. Afsahi, N. Dimopoulos
2002Concurrency and Computation15 citations
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Accelerating Deep Learning Using Interconnect-Aware UCX Communication for MPI Collectives
Y. Temuçin, A. Sojoodi, Pedram Alizadeh, Benjamin William Kitor +1 more
2022IEEE Micro14 citations
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Efficient shared memory and RDMA based collectives on multi-rail QsNetII SMP clusters
Y. Qian, A. Afsahi
2008Cluster Computing13 citations
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Assessing the Ability of Computation/Communication Overlap and Communication Progress in Modern Interconnects
Mohammad J. Rashti, A. Afsahi
2007IEEE Symposium on High-Performance Interconnects13 citations
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Fuzzy Matching: Hardware Accelerated MPI Communication Middleware
Matthew G. F. Dosanjh, Whit Schonbein, Ryan E. Grant, Patrick G. Bridges +2 more
2019IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing12 citations Open access
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Designing an Offloaded Nonblocking MPI_Allgather Collective Using CORE-Direct
G. Inozemtsev, A. Afsahi
2012IEEE International Conference on Cluster Computing11 citations
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Adaptive estimation and prediction of power and performance in high performance computing
Reza Zamani, A. Afsahi
2010Computer Science - Research and Development11 citations
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An evaluation of the Myrinet/GM2 two-port networks
Reza Zamani, Y. Qian, A. Afsahi
200429th Annual IEEE International Conference on Local Computer Networks11 citations
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Micro-Benchmarking MPI Partitioned Point-to-Point Communication
Yiltan Hassan Temucin, Ryan E. Grant, A. Afsahi
2022International Conference on Parallel Processing10 citations Open access
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PTRAM: A Parallel Topology-and Routing-Aware Mapping Framework for Large-Scale HPC Systems
S. H. Mirsadeghi, A. Afsahi
2016IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum10 citations
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Toward Asynchronous and MPI-Interoperable Active Messages
Xin Zhao, Darius Buntinas, Judicael A. Zounmevo, James Dinan +5 more
20132013 13th IEEE/ACM International Symposium on Cluster, Cloud, and Grid Computing10 citations
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An Efficient Collaborative Communication Mechanism for MPI Neighborhood Collectives
S. Mahdieh Ghazimirsaeed, S. H. Mirsadeghi, A. Afsahi
2019IEEE International Parallel and Distributed Processing Symposium9 citations
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Communication‐aware message matching in MPI
S. Mahdieh Ghazimirsaeed, S. H. Mirsadeghi, A. Afsahi
2018Concurrency and Computation9 citations
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Accelerating MPI Message Matching by a Data Clustering Strategy
S. M. Ghazimirsaeed, A. Afsahi
20179 citations
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High Performance RDMA-based Multi-port All-gather on Multi-rail QsNet II
Y. Qian, A. Afsahi
2007International Symposium on High Performance Computing Systems and Applications9 citations
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Myrinet networks: a performance study
Y. Qian, A. Afsahi, Reza Zamani
2004Third IEEE International Symposium on Network Computing and Applications, 2004. (NCA 2004). Proceedings.9 citations
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Architectural extensions to support effcient communication using message prediction
A. Afsahi, N. Dimopoulos
2002Proceedings 16th Annual International Symposium on High Performance Computing Systems and Applications9 citations
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Collective Communications on a Reconfigurable Optical Interconnect
A. Afsahi, N. Dimopoulos
1997International Conference on Principles of Distributed Systems9 citations
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A Dynamic Network-Native MPI Partitioned Aggregation Over InfiniBand Verbs
Y. Temuçin, Scott Levy, Whit Schonbein, Ryan E. Grant +1 more
2023IEEE International Conference on Cluster Computing8 citations Open access
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The Case for Semi-Permanent Cache Occupancy: Understanding the Impact of Data Locality on Network Processing
Matthew G. F. Dosanjh, S. Mahdieh Ghazimirsaeed, Ryan E. Grant, Whit Schonbein +3 more
2018International Conference on Parallel Processing8 citations Open access
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Design and evaluation of communication latency hiding/reduction techniques for message-passing environments
N. Dimopoulos, A. Afsahi
20008 citations
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Efficient Process Arrival Pattern Aware Collective Communication for Deep Learning
Pedram Alizadeh, Amirhossein Sojoodi, Yiltan Hassan Temucin, A. Afsahi
2022European MPI Users Group Meeting7 citations
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Design considerations for GPU‐aware collective communications in MPI
Iman Faraji, A. Afsahi
2018Concurrency and Computation7 citations
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