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PPOPP
2010
ACM
14 years 8 months ago
Analyzing lock contention in multithreaded applications
Many programs exploit shared-memory parallelism using multithreading. Threaded codes typically use locks to coordinate access to shared data. In many cases, contention for locks r...
Nathan R. Tallent, John M. Mellor-Crummey, Allan P...
PR
2010
179views more  PR 2010»
14 years 8 months ago
Robust palmprint verification using 2D and 3D features
This paper presents a new personal authentication system that simultaneously exploits 2D and 3D palmprint features. The objective of our work is to improve accuracy and robustness...
David Zhang, Vivek Kanhangad, Nan Luo, Ajay Kumar
PVLDB
2010
178views more  PVLDB 2010»
14 years 8 months ago
Hadoop++: Making a Yellow Elephant Run Like a Cheetah (Without It Even Noticing)
MapReduce is a computing paradigm that has gained a lot of attention in recent years from industry and research. Unlike parallel DBMSs, MapReduce allows non-expert users to run co...
Jens Dittrich, Jorge-Arnulfo Quiané-Ruiz, A...
PVLDB
2010
129views more  PVLDB 2010»
14 years 8 months ago
iGraph: A Framework for Comparisons of Disk-Based Graph Indexing Techniques
Graphs are of growing importance in modeling complex structures such as chemical compounds, proteins, images, and program dependence. Given a query graph Q, the subgraph isomorphi...
Wook-Shin Han, Jinsoo Lee, Minh-Duc Pham, Jeffrey ...
PVM
2010
Springer
14 years 8 months ago
Toward Performance Models of MPI Implementations for Understanding Application Scaling Issues
Abstract. Designing and tuning parallel applications with MPI, particularly at large scale, requires understanding the performance implications of different choices of algorithms ...
Torsten Hoefler, William Gropp, Rajeev Thakur, Jes...