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IPPS
2009
IEEE
13 years 10 months ago
Designing multi-leader-based Allgather algorithms for multi-core clusters
The increasing demand for computational cycles is being met by the use of multi-core processors. Having large number of cores per node necessitates multi-core aware designs to ext...
Krishna Chaitanya Kandalla, Hari Subramoni, Gopala...
IPPS
2009
IEEE
13 years 10 months ago
EmBOINC: An emulator for performance analysis of BOINC projects
BOINC is a platform for volunteer computing. The server component of BOINC embodies a number of scheduling policies and parameters that have a large impact on the projects through...
Trilce Estrada, Michela Taufer, Kevin Reed, David ...
IPPS
2009
IEEE
13 years 10 months ago
A resource allocation approach for supporting time-critical applications in grid environments
— There are many grid-based applications where a timely response to an important event is needed. Often such response can require a significant computation and possibly communic...
Qian Zhu, Gagan Agrawal
IPPS
2009
IEEE
13 years 10 months ago
Long time-scale simulations of in vivo diffusion using GPU hardware
To address the problem of performing long time simulations of biochemical pathways under in vivo cellular conditions, we have developed a lattice-based, reaction-diffusion model t...
Elijah Roberts, John E. Stone, Leonardo Sepulveda,...
IPPS
2009
IEEE
13 years 10 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
13 years 10 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
13 years 10 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
13 years 10 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...