Sciweavers

72 search results - page 12 / 15
» Model-Based Optimization of MPI Collective Operations for Co...
Sort
View
IPPS
2007
IEEE
14 years 2 months ago
Link Shutdown Opportunities During Collective Communications in 3-D Torus Nets
As modern computing clusters used in scientific computing applications scale to ever-larger sizes and capabilities, their operational energy costs have become prohibitive. While ...
S. Conner, Sayaka Akioka, Mary Jane Irwin, Padma R...
IJHPCA
2010
105views more  IJHPCA 2010»
13 years 7 months ago
A Pipelined Algorithm for Large, Irregular All-Gather Problems
We describe and evaluate a new, pipelined algorithm for large, irregular all-gather problems. In the irregular all-gather problem each process in a set of processes contributes in...
Jesper Larsson Träff, Andreas Ripke, Christia...
ICPP
2009
IEEE
14 years 3 months ago
Accelerating Checkpoint Operation by Node-Level Write Aggregation on Multicore Systems
—Clusters and applications continue to grow in size while their mean time between failure (MTBF) is getting smaller. Checkpoint/Restart is becoming increasingly important for lar...
Xiangyong Ouyang, Karthik Gopalakrishnan, Dhabales...
ISPAN
2005
IEEE
14 years 2 months ago
An Efficient MPI-IO for Noncontiguous Data Access over InfiniBand
Noncontiguous data access is a very common access pattern in many scientific applications. Using POSIX I/O to access many pieces of noncontiguous data segments will generate a lot...
Ding-Yong Hong, Ching-Wen You, Yeh-Ching Chung
CLUSTER
2002
IEEE
14 years 1 months ago
Design and Validation of Portable Communication Infrastructure for Fault-Tolerant Cluster Middleware
We describe the communication infrastructure (CI) for our fault-tolerant cluster middleware, which is optimized for two classes of communication: for the applications and for the ...
Ming Li, Wenchao Tao, Daniel Goldberg, Israel Hsu,...