Browsing by Author "Akbudak, Kadir"
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Cache locality exploiting methods and models for sparse matrixvector multiplication
Akbudak, Kadir (Bilkent University, 2009)The sparse matrixvector multiplication (SpMxV) is an important kernel operation widely used in linear solvers. The same sparse matrix is multiplied by a dense vector repeatedly in these solvers to solve a system of ... 
Hypergraph models for parallel sparse matrixmatrix multiplication
Akbudak, Kadir (Bilkent University, 201509)Multiplication of two sparse matrices (i.e., sparse matrixmatrix multiplication, which is abbreviated as SpGEMM) is a widely used kernel in many applications such as molecular dynamics simulations, graph operations, and ... 
Parallelization of Sparse Matrix Kernels for big data applications
Selvitopu, Oğuz; Akbudak, Kadir; Aykanat, Cevdet (Springer, 2016)Analysis of big data on largescale distributed systems often necessitates efficient parallel graph algorithms that are used to explore the relationships between individual components. Graph algorithms use the basic adjacency ... 
Partitioning models for scaling parallel sparse matrixmatrix multiplication
Akbudak, Kadir; Selvitopi, Oğuz; Aykanat, Cevdet (Association for Computing Machinery, 2018)We investigate outerproductparallel, innerproductparallel, and rowbyrowproductparallel formulations of sparse matrixmatrix multiplication (SpGEMM) on distributed memory architectures. For each of these three ...