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PDP
2010
IEEE
14 years 29 days ago
A Parallel Preconditioned Conjugate Gradient Solver for the Poisson Problem on a Multi-GPU Platform
- We present a parallel conjugate gradient solver for the Poisson problem optimized for multi-GPU platforms. Our approach includes a novel heuristic Poisson preconditioner well sui...
Marco Ament, Günter Knittel, Daniel Weiskopf,...
IDEAS
2000
IEEE
96views Database» more  IDEAS 2000»
14 years 1 days ago
A Cost Function for Uniformly Partitioned UB-Trees
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
Volker Markl, Rudolf Bayer
CCGRID
2005
IEEE
14 years 1 months ago
Servicing range queries on multidimensional datasets with partial replicas
Partial replication is one type of optimization to speed up execution of queries submitted to large datasets. In partial replication, a portion of the dataset is extracted, re-org...
Li Weng, Ümit V. Çatalyürek, Tahs...
ATAL
2005
Springer
14 years 1 months ago
A simulator for multi-agent partnership formation based on dependence graphs
The PartNET++ system is an experimental multi-agent-based simulation tool that uses a new model based on hyper-graphs for understanding partnership formation among heterogeneous a...
Júlio de Lima do Rêgo Monteiro, Jaime...
ISAAC
2003
Springer
101views Algorithms» more  ISAAC 2003»
14 years 26 days ago
Rapid Mixing of Several Markov Chains for a Hard-Core Model
The mixing properties of several Markov chains to sample from configurations of a hard-core model have been examined. The model is familiar in the statistical physics of the liqui...
Ravi Kannan, Michael W. Mahoney, Ravi Montenegro