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» Optimization of Collective Communication in Intra-cell MPI
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IPPS
2005
IEEE
13 years 11 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...
PVM
2005
Springer
13 years 10 months ago
New User-Guided and ckpt-Based Checkpointing Libraries for Parallel MPI Applications
We present design and implementation details as well as performance results for two new parallel checkpointing libraries developed by us for parallel MPI applications. The first o...
Pawel Czarnul, Marcin Fraczak
CLUSTER
2006
IEEE
13 years 11 months ago
A New Flexible MPI Collective I/O Implementation
The MPI-IO standard creates a huge opportunity to break out of the traditional file system I/O methods. As a software layer between the user and the file system, an MPI-IO libra...
Kenin Coloma, Avery Ching, Alok N. Choudhary, Wei-...
IPPS
2009
IEEE
13 years 12 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
ICS
2007
Tsinghua U.
13 years 11 months ago
A study of process arrival patterns for MPI collective operations
Process arrival pattern, which denotes the timing when different processes arrive at an MPI collective operation, can have a significant impact on the performance of the operatio...
Ahmad Faraj, Pitch Patarasuk, Xin Yuan