Ozan Karsavuran

Ozan Karsavuran

Postdoctoral Scholar

AMCR

M. Ozan Karsavuran is a postdoctoral scholar in the Applied Mathematics and Computational Research Division of the Computing Sciences Area at the Lawrence Berkeley National Laboratory.

His research interests include parallel computing on sparse matrices in distributed and shared memory systems, combinatorial scientific computing, and graph and hypergraph partitioning.

Ozan received his BS, MS, and PhD degrees in 2012, 2014, and 2020, respectively, in computer engineering from Bilkent University, Turkey.

Journal Articles

Nabil Abubaker, Orhun Caglayan, M. Ozan Karsavuran, Cevdet Aykanat,, "Minimizing Staleness and Communication Overhead in Distributed SGD for Collaborative Filtering", IEEE Transactions on Computers, May 2023, doi: 10.1109/TC.2023.3275107

Nabil Abubaker, M. Ozan Karsavuran, Cevdet Aykanat, "Scaling Stratified Stochastic Gradient Descent for Distributed Matrix Completion", IEEE Transactions on Knowledge and Data Engineering, March 2023, doi: 10.1109/TKDE.2023.3253791

Mestan Firat Celiktug, M. Ozan Karsavuran, Seher Acer, Cevdet Aykanat, "Simultaneous Computational and Data Load Balancing in Distributed-Memory Setting", SIAM Journal on Scientific Computing, November 2022, 44(6):C399-C424, doi: 10.1137/22M1485772

Nabil Abubaker, M. Ozan Karsavuran, Cevdet Aykanat, "Scalable Unsupervised ML: Latency Hiding in Distributed Sparse Tensor Decomposition", IEEE Transactions on Parallel and Distributed Systems, November 2022, 33(11):3028-3040, doi: 10.1109/TPDS.2021.3128827

M. Ozan Karsavuran, Seher Acer, Cevdet Aykanat, "Partitioning Models for General Medium-Grain Parallel Sparse Tensor Decomposition", IEEE Transactions on Parallel and Distributed Systems, January 2021, 32(1):147--159, doi: 10.1109/TPDS.2020.3012624

M. Ozan Karsavuran, Seher Acer, Cevdet Aykanat, "Reduce Operations: Send Volume Balancing While Minimizing Latency", IEEE Transactions on Parallel and Distributed Systems, June 2020, 31(6):1461--1473, doi: 10.1109/TPDS.2020.2964536

M. Ozan Karsavuran, Kadir Akbudak, Cevdet Aykanat, "Locality-Aware Parallel Sparse Matrix-Vector and Matrix-Transpose-Vector Multiplication on Many-Core Processors", IEEE Transactions on Parallel and Distributed Systems, June 2016, 27(6):1713--1726, doi: 10.1109/TPDS.2015.2453970

Presentation/Talks

M. Ozan Karsavuran, Seher Acer, Cevdet Aykanat, Medium-Grain Partitioning for Sparse Tensor Decomposition, SIAM Conference on Computational Science and Engineering (CSE21), 2021,