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IPPS
2009
IEEE
14 years 6 months ago
Improving RDMA-based MPI eager protocol for frequently-used buffers
MPI is the main standard for communication in high-performance clusters. MPI implementations use the Eager protocol to transfer small messages. To avoid the cost of memory registr...
Mohammad J. Rashti, Ahmad Afsahi
IPPS
2009
IEEE
14 years 6 months ago
Design, implementation, and evaluation of transparent pNFS on Lustre
Parallel NFS (pNFS) is an emergent open standard for parallelizing data transfer over a variety of I/O protocols. Prototypes of pNFS are actively being developed by industry and a...
Weikuan Yu, Oleg Drokin, Jeffrey S. Vetter
IPPS
2009
IEEE
14 years 6 months ago
Small-file access in parallel file systems
Abstract—Today’s computational science demands have resulted in ever larger parallel computers, and storage systems have grown to match these demands. Parallel file systems us...
Philip H. Carns, Samuel Lang, Robert B. Ross, Mura...
IPPS
2009
IEEE
14 years 6 months ago
Revisiting communication performance models for computational clusters
—In this paper, we analyze restrictions of traditional models affecting the accuracy of analytical prediction of the execution time of collective communication operations. In par...
Alexey L. Lastovetsky, Vladimir Rychkov, Maureen O...
IPPS
2009
IEEE
14 years 6 months ago
The impact of network noise at large-scale communication performance
The impact of operating system noise on the performance of large-scale applications is a growing concern and ameliorating the effects of OS noise is a subject of active research. ...
Torsten Hoefler, Timo Schneider, Andrew Lumsdaine
IPPS
2009
IEEE
14 years 6 months ago
Implementing protein seed-based comparison algorithm on the SGI RASC-100 platform
This paper describes a parallel FPGA implementation of a genomic sequence comparison algorithm for finding similarities between a large set of protein sequences and full genomes....
Van Hoa Nguyen, Alexandre Cornu, Dominique Lavenie...
IPPS
2009
IEEE
14 years 6 months ago
Parallel solvers for dense linear systems for heterogeneous computational clusters
This paper describes the design and the implementation of parallel routines in the Heterogeneous ScaLAPACK library that solve a dense system of linear equations. This library is w...
Ravi Reddy Manumachu, Alexey L. Lastovetsky, Pedro...
IPPS
2009
IEEE
14 years 6 months ago
Implementing a portable Multi-threaded Graph Library: The MTGL on Qthreads
Brian W. Barrett, Jonathan W. Berry, Richard C. Mu...