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INFORMATICALT
2006
154views more  INFORMATICALT 2006»
13 years 3 months ago
Efficient Adaptive Algorithms for Transposing Small and Large Matrices on Symmetric Multiprocessors
Matrix transpose in parallel systems typically involves costly all-to-all communications. In this paper, we provide a comparative characterization of various efficient algorithms f...
Rami Al Na'mneh, W. David Pan, Seong-Moo Yoo
SIAMMAX
2010
224views more  SIAMMAX 2010»
12 years 10 months ago
Robust Approximate Cholesky Factorization of Rank-Structured Symmetric Positive Definite Matrices
Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
Jianlin Xia, Ming Gu
SIGARCH
2008
107views more  SIGARCH 2008»
13 years 3 months ago
Multitasking workload scheduling on flexible core chip multiprocessors
While technology trends have ushered in the age of chip multiprocessors (CMP) and enabled designers to place an increasing number of cores on chip, a fundamental question is what ...
Divya Gulati, Changkyu Kim, Simha Sethumadhavan, S...