Sciweavers

243 search results - page 8 / 49
» Optimization of Collective Communications in HeteroMPI
Sort
View
IPPS
2005
IEEE
14 years 1 months ago
Performance Analysis of MPI Collective Operations
Previous studies of application usage show that the performance of collective communications are critical for high-performance computing and are often overlooked when compared to ...
Jelena Pjesivac-Grbovic, Thara Angskun, George Bos...
ICDT
2011
ACM
270views Database» more  ICDT 2011»
12 years 11 months ago
On the equivalence of distributed systems with queries and communication
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
Serge Abiteboul, Balder ten Cate, Yannis Katsis
LCN
2003
IEEE
14 years 26 days ago
Pipelining and Overlapping for MPI Collective Operations
Collective operations are an important aspect of the currently most important message-passing programming model MPI (Message Passing Interface). Many MPI applications make heavy u...
Joachim Worringen
GECCO
2009
Springer
148views Optimization» more  GECCO 2009»
14 years 2 months ago
Evolutionary optimization of multistage interconnection networks performance
The paper deals with optimization of collective communications on multistage interconnection networks (MINs). In the experimental work, unidirectional MINs like Omega, Butterfly a...
Jirí Jaros
IPPS
2009
IEEE
14 years 2 months ago
Sparse collective operations for MPI
Abstract—We discuss issues in designing sparse (nearest neighbor) collective operations for communication and reduction operations in small neighborhoods for the Message Passing ...
Torsten Hoefler, Jesper Larsson Träff