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IPPS
2009
IEEE
13 years 12 months ago
Predictive analysis and optimisation of pipelined wavefront computations
Pipelined wavefront computations are a ubiquitous class of parallel algorithm used for the solution of a num­ ber of scientific and engineering applications. This paper investig...
Gihan R. Mudalige, Simon D. Hammond, J. A. Smith, ...
IPPS
2009
IEEE
13 years 12 months ago
Implementing and evaluating multithreaded triad census algorithms on the Cray XMT
Commonly represented as directed graphs, social networks depict relationships and behaviors among social entities such as people, groups, and organizations. Social network analysi...
George Chin Jr., Andrès Márquez, Sut...
IPPS
2009
IEEE
13 years 12 months ago
Singular value decomposition on GPU using CUDA
Linear algebra algorithms are fundamental to many computing applications. Modern GPUs are suited for many general purpose processing tasks and have emerged as inexpensive high per...
Sheetal Lahabar, P. J. Narayanan
IPPS
2009
IEEE
13 years 12 months ago
Ten weeks in the life of an eDonkey server
Abstract—This paper presents a capture of the queries managed by an eDonkey server during almost 10 weeks, leading to the observation of almost 9 billion messages involving almos...
Frederic Aidouni, Matthieu Latapy, Clémence...
IPPS
2009
IEEE
13 years 12 months ago
Handling OS jitter on multicore multithreaded systems
Various studies have shown that OS jitter can degrade parallel program performance considerably at large processor counts. Most sources of system jitter fall broadly into 5 catego...
Pradipta De, Vijay Mann, Umang Mittaly
IPPS
2009
IEEE
13 years 12 months ago
Optimizing assignment of threads to SPEs on the cell BE processor
The Cell is a heterogeneous multicore processor that has attracted much attention in the HPC community. The bulk of the computational workload on the Cell processor is carried by ...
C. Devi Sudheer, T. Nagaraju, Pallav K. Baruah, As...
IPPS
2009
IEEE
13 years 12 months ago
Throughput-fairness tradeoff in Best Effort flow control for on-chip architectures
We consider two flow control schemes for Best Effort traffic in on-chip architectures, which can be deemed as the solutions to the boundary extremes of a class of utility maximi...
Fahimeh Jafari, Mohammad Sadegh Talebi, Mohammad H...
IPPS
2009
IEEE
13 years 12 months ago
Early experiences on accelerating Dijkstra's algorithm using transactional memory
In this paper we use Dijkstra’s algorithm as a challenging, hard to parallelize paradigm to test the efficacy of several parallelization techniques in a multicore architecture....
Nikos Anastopoulos, Konstantinos Nikas, Georgios I...
IPPS
2009
IEEE
13 years 12 months ago
Taking the heat off transactions: Dynamic selection of pessimistic concurrency control
In this paper we investigate feedback-directed dynamic selection between different implementations of atomic blocks. We initially execute atomic blocks using STM with optimistic c...
Nehir Sönmez, Tim Harris, Adrián Crist...