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IPPS
2009
IEEE
15 years 4 months ago
2009
IEEE
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...
IPPS
2009
IEEE
15 years 4 months ago
2009
IEEE
HMMer is a widely-used bioinformatics software package that uses profile HMMs (Hidden Markov Models) to model the primary structure consensus of a family of protein or nucleic aci...
IPPS
2009
IEEE
15 years 4 months ago
2009
IEEE
A well-known problem in P2P systems is freeriding, where users do not share content if there is no incentive to do so. In this paper, we distinguish lazy freeriders that are merel...
IPPS
2009
IEEE
15 years 4 months ago
2009
IEEE
A reduction is a computation in which a common operation, such as a sum, is to be performed across multiple pieces of data, each supplied by a separate task. We introduce phaser a...
IPPS
2009
IEEE
15 years 4 months ago
2009
IEEE
—High-end machines at modern HPC centers are constantly undergoing hardware and system software upgrades – necessitating frequent rebuilds of application codes. The number of p...