Výsledky vyhledávání - Communication-avoiding algorithms

Communication avoiding algorithms Autor Demmel, Jim

“… Some of the specific areas/topics discussed include: To redesign algorithms to avoid communication between all memory hierarchy levels…”
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Communication Avoiding Algorithms: Analysis and Code Generation for Parallel Systems Autor Murthy, Karthik, Mellor-Crummey, John

“… The class of .5D communication-avoiding algorithms were developed to address this bottleneck…”
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Communication-Avoiding Recursive Aggregation Autor Sun, Yihao, Kumar, Sidharth, Gilray, Thomas, Micinski, Kristopher

“…Recursive aggregation has been of considerable interest due to its unifying a wide range of deductive-analytic workloads, including social-media mining and…”
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A communication-avoiding 3D algorithm for sparse LU factorization on heterogeneous systems Autor Sao, Piyush, Li, Xiaoye S., Vuduc, Richard

“…We propose a new algorithm to improve the strong scalability of right-looking sparse LU factorization on distributed memory systems…”
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Communication Avoiding Block Low-Rank Parallel Multifrontal Triangular Solve with Many Right-Hand Sides Autor Amestoy, Patrick, Boiteau, Olivier, Buttari, Alfredo, Gerest, Matthieu, Jézéquel, Fabienne, L’Excellent, Jean-Yves, Mary, Theo

“…Block low-rank (BLR) compression can significantly reduce the memory and time costs of parallel sparse direct solvers. In this paper, we investigate the…”
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A communication-avoiding 3D algorithm for sparse LU factorization on heterogeneous systems Autor Sao, Piyush, Li, Xiaoye Sherry, Vuduc, Richard

“…We propose a new algorithm to improve the strong scalability of right-looking sparse LU factorization on distributed memory systems…”
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Multiscale high-order/low-order (HOLO) algorithms and applications Autor Chacón, L., Chen, G., Knoll, D.A., Newman, C., Park, H., Taitano, W., Willert, J.A., Womeldorff, G.

“…) algorithms for challenging multiscale problems. HOLO algorithms attempt to couple one or several high-complexity physical models…”
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A massively parallel tensor contraction framework for coupled-cluster computations Autor Solomonik, Edgar, Matthews, Devin, Hammond, Jeff R., Stanton, John F., Demmel, James

“…Precise calculation of molecular electronic wavefunctions by methods such as coupled-cluster requires the computation of tensor contractions, the cost of which…”
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A Class of Communication-avoiding Algorithms for Solving General Dense Linear Systems on CPU/GPU Parallel Machines Autor Baboulin, Marc, Donfack, Simplice, Dongarra, Jack, Grigori, Laura, Rémy, Adrien, Tomov, Stanimire

“… Then we introduce a solver where the panel factorization is performed using a communication-avoiding pivoting heuristic while the update of the trailing submatrix is performed by the GPU…”
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Communication-Avoiding Symmetric-Indefinite Factorization Autor Ballard, Grey, Becker, Dulceneia, Demmel, James, Dongarra, Jack, Druinsky, Alex, Peled, Inon, Schwartz, Oded, Toledo, Sivan, Yamazaki, Ichitaro

“…$ is lower triangular, and $T$ is block tridiagonal and banded. The algorithm is the first symmetric-indefinite communication-avoiding factorization…”
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Parallel Communication-Avoiding Algorithm for Triangular Matrix Inversion on Homogeneous and Heterogeneous Platforms Autor Mahfoudhi, Ryma, Mahjoub, Zaher, Nasri, Wahid

“… Afterwards, we develop in the second part of the paper, an optimal parallel avoiding-communication algorithm for a given number of available homogeneous and heterogeneous processors…”
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An efficient randomized QLP algorithm for approximating the singular value decomposition Autor Kaloorazi, M.F., Liu, K., Chen, J., de Lamare, R.C.

“…The rank-revealing pivoted QLP decomposition approximates the computationally prohibitive singular value decomposition (SVD) via two consecutive column-pivoted…”
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Communication-Avoiding Algorithms for a High-Performance Hyperbolic Pde Engine Autor Charrier, Dominic Etienne

“…The study of waves has always been an important subject of research. Earthquakes, for example, have a direct impact on the daily lives of millions of people…”
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A communication-avoiding implicit–explicit method for a free-surface ocean model Autor Newman, Christopher, Womeldorff, Geoffrey, Knoll, Dana A., Chacón, Luis

“… Moreover, the hierarchical nature of the algorithm lends itself readily to emerging architectures…”
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Multiscale high-order/low-order (HOLO) algorithms and applications Autor Chacon, Luis, Chen, Guangye, Knoll, Dana Alan, Newman, Christopher Kyle, Park, HyeongKae, Taitano, William, Willert, Jeff A., Womeldorff, Geoffrey Alan

“…) algorithms for challenging multiscale problems. HOLO algorithms attempt to couple one or several high-complexity physical models…”
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Parallel Fast Multipole Method accelerated FFT on HPC clusters Autor Mehta, Chahak, Karthi, Amarnath, Jetly, Vishrut, Chaudhury, Bhaskar

“… In the past decade there has been a growing interest in communication-avoiding algorithms. The distributed memory Fast Fourier Transform is an important algorithm which suffers from major communication bottlenecks…”
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Parallel Tall-and-Skinny QR Factorization Based on LU-CholeskyQR Algorithm Autor Uchino, Yuki, Imamura, Toshiyuki

“…We present optimal parallel QR factorization algorithms with reduced communication overhead…”
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Translational process: Mathematical software perspective Autor Dongarra, Jack, Gates, Mark, Luszczek, Piotr, Tomov, Stanimire

“…Each successive generation of computer architecture has brought new challenges to achieving high performance mathematical solvers, necessitating development and analysis of new algorithms…”
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Accelerating solutions of one-dimensional unsteady PDEs with GPU-based swept time–space decomposition Autor Magee, Daniel J., Niemeyer, Kyle E.

“…•A GPU implementation of the swept time–space decomposition rule is presented.•Three versions of the scheme are considered.•The shared-memory implementation…”
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Reconstructing Householder vectors from Tall-Skinny QR Autor Ballard, G., Demmel, J., Grigori, L., Jacquelin, M., Knight, N., Nguyen, H.D.

“…The Tall-Skinny QR (TSQR) algorithm is more communication efficient than the standard Householder algorithm for QR decomposition of matrices with many more rows than columns…”
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