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» A Distributed Query Execution Engine in a Grid Environment
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COMAD
2008
13 years 9 months ago
Exploiting Asynchronous IO using the Asynchronous Iterator Model
Asynchronous IO (AIO) allows a process to continue to do other work while an IO operation initiated earlier completes. AIO allows a large number of random IO operations to be issu...
Suresh Iyengar, S. Sudarshan, Santosh Kumar 0002, ...
SIGMOD
1999
ACM
98views Database» more  SIGMOD 1999»
13 years 12 months ago
Self-tuning Histograms: Building Histograms Without Looking at Data
In this paper, we introduce self-tuning histograms. Although similar in structure to traditional histograms, these histograms infer data distributions not by examining the data or...
Ashraf Aboulnaga, Surajit Chaudhuri
GECCO
2005
Springer
232views Optimization» more  GECCO 2005»
14 years 1 months ago
A hardware pipeline for function optimization using genetic algorithms
Genetic Algorithms (GAs) are very commonly used as function optimizers, basically due to their search capability. A number of different serial and parallel versions of GA exist. ...
Malay Kumar Pakhira, Rajat K. De
BMCBI
2011
12 years 11 months ago
A user-friendly web portal for T-Coffee on supercomputers
Background: Parallel T-Coffee (PTC) was the first parallel implementation of the T-Coffee multiple sequence alignment tool. It is based on MPI and RMA mechanisms. Its purpose is t...
Josep Rius Torrento, Fernando Cores, Francesc Sols...
CLUSTER
2003
IEEE
14 years 29 days ago
Coordinated Checkpoint versus Message Log for Fault Tolerant MPI
— Large Clusters, high availability clusters and Grid deployments often suffer from network, node or operating system faults and thus require the use of fault tolerant programmin...
Aurelien Bouteiller, Pierre Lemarinier, Gér...