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2003
ACM
14 years 1 months ago
Handling Heterogeneity in Shared-Disk File Systems
We develop and evaluate a system for load management in shared-disk file systems built on clusters of heterogeneous computers. The system generalizes load balancing and server pr...
Changxun Wu, Randal C. Burns
CONCURRENCY
2010
110views more  CONCURRENCY 2010»
13 years 8 months ago
Redesigning the message logging model for high performance
Over the past decade the number of processors in the high performance facilities went up to hundreds of thousands. As a direct consequence, while the computational power follow th...
Aurelien Bouteiller, George Bosilca, Jack Dongarra
TIT
2010
174views Education» more  TIT 2010»
13 years 2 months ago
Toeplitz Compressed Sensing Matrices With Applications to Sparse Channel Estimation
Compressed sensing (CS) has recently emerged as a powerful signal acquisition paradigm. In essence, CS enables the recovery of high-dimensional sparse signals from relatively few ...
Jarvis Haupt, Waheed Uz Zaman Bajwa, Gil M. Raz, R...
CISS
2011
IEEE
12 years 12 months ago
The Restricted Isometry Property for block diagonal matrices
—In compressive sensing (CS), the Restricted Isometry Property (RIP) is a powerful condition on measurement operators which ensures robust recovery of sparse vectors is possible ...
Han Lun Yap, Armin Eftekhari, Michael B. Wakin, Ch...
PERCOM
2010
ACM
13 years 6 months ago
Security analysis of reliable transport layer protocols for wireless sensor networks
End-to-end reliability of communications is an important requirement in many applications of wireless sensor networks. For this reason, a number of reliable transport protocols sp...
Levente Buttyán, L. Csik