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» A parallel search algorithm for CLNS addition optimization
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IPPS
2010
IEEE
14 years 7 months ago
Hybrid MPI/Pthreads parallelization of the RAxML phylogenetics code
Abstract--A hybrid MPI/Pthreads parallelization was implemented in the RAxML phylogenetics code. New MPI code was added to the existing Pthreads production code to exploit parallel...
Wayne Pfeiffer, Alexandros Stamatakis
ICCS
2009
Springer
15 years 4 months ago
Experience with Approximations in the Trust-Region Parallel Direct Search Algorithm
Recent years have seen growth in the number of algorithms designed to solve challenging simulation-based nonlinear optimization problems. One such algorithm is the Trust-Region Par...
S. M. Shontz, V. E. Howle, P. D. Hough
HEURISTICS
2002
99views more  HEURISTICS 2002»
14 years 9 months ago
Parallelizing Tabu Search on a Cluster of Heterogeneous Workstations
In this paper, we present the parallelization of tabu search on a network of workstations using PVM. Two parallelization strategies are integrated: functional decomposition strate...
Ahmad A. Al-Yamani, Sadiq M. Sait, Habib Youssef, ...
VLDB
1995
ACM
132views Database» more  VLDB 1995»
15 years 1 months ago
Coloring Away Communication in Parallel Query Optimization
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
Waqar Hasan, Rajeev Motwani
101
Voted
CF
2007
ACM
15 years 1 months ago
Parallel genomic sequence-search on a massively parallel system
In the life sciences, genomic databases for sequence search have been growing exponentially in size. As a result, faster sequencesearch algorithms to search these databases contin...
Oystein Thorsen, Brian E. Smith, Carlos P. Sosa, K...