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» Dynamic Communicators in MPI
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CF
2004
ACM
14 years 1 months ago
Improving the execution time of global communication operations
Many parallel applications from scientific computing use MPI global communication operations to collect or distribute data. Since the execution times of these communication opera...
Matthias Kühnemann, Thomas Rauber, Gudula R&u...
IPPS
2010
IEEE
13 years 6 months ago
Processor affinity and MPI performance on SMP-CMP clusters
Clusters of Symmetric MultiProcessing (SMP) nodes with multi-core Chip-Multiprocessors (CMP), also known as SMP-CMP clusters, are becoming ubiquitous today. For Message Passing int...
Chi Zhang, Xin Yuan, Ashok Srinivasan
IPPS
2006
IEEE
14 years 2 months ago
A decomposition approach for optimizing the performance of MPI libraries
MPI provides a portable message passing interface for many parallel execution platforms but may lead to inefficiencies for some platforms and applications. In this article we sho...
O. Hartmann, Matthias Kühnemann, Thomas Raube...
SC
2005
ACM
14 years 1 months ago
SCTP versus TCP for MPI
SCTP (Stream Control Transmission Protocol) is a recently standardized transport level protocol with several features that better support the communication requirements of paralle...
Humaira Kamal, Brad Penoff, Alan Wagner
EUROPAR
2004
Springer
14 years 1 months ago
Task-Queue Based Hybrid Parallelism: A Case Study
Abstract. In this paper we report on our experiences with hybrid parallelism in PARDISO, a high-performance sparse linear solver. We start with the OpenMP-parallel numerical factor...
Karl Fürlinger, Olaf Schenk, Michael Hagemann