Publications

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Conference Paper
Dichev, K., A. Lastovetsky, and V. Rychkov, "Improvement of the Bandwidth of Cross-Site MPI Communication Using Optical Fiber", EuroMPI 2011, vol. 6960, Santorini, Greece, Springer, September 18-21, 2011.  Download: eurompi2011-short-paper.pdf (216.17 KB)
Shahid, A., M. Fahad, R. Reddy, and A. Lastovetsky, "Improving the Accuracy of Energy Predictive Models for Multicore CPUs Using Additivity of Performance Monitoring Counters", 15th International Conference on Parallel Computing Technologies (PaCT-2019), Almaty, Kazakhstan, Lecture Notes in Computer Science 11657, Springer, pp. 51-66, 08/2019.  Download: PaCT2019.pdf (370.4 KB)
Lastovetsky, A., V. Rychkov, and M. O'Flynn, "MPIBlib: Benchmarking MPI Communications for Parallel Computing on Homogeneous and Heterogeneous Clusters", 15th European PVM/MPI User's Group Meeting, vol. 5205, Dublin, Ireland, Springer-Verlag Berlin Heidelberg, pp. 227-238, September 7-10, 2008.  Download: 52050227.pdf (341.9 KB)
Lastovetsky, A., and R. Reddy, "A Novel Algorithm of Optimal Matrix Partitioning for Parallel Dense Factorization on Heterogeneous Processors", Proceedings of the 9th International Conference on Parallel Computing Technologies (PaCT 2007), vol. 4671, Pereslavl-Zalessky, Russia, Springer, pp. 261-275, 3-7 September, 2007.  Download: 1182174947076.pdf (305.56 KB)
Lastovetsky, A., M. O'Flynn, and V. Rychkov, "Optimization of Collective Communications in HeteroMPI", 14th European PVM/MPI User's Group Meeting, vol. 4757, Paris, France, Springer-Verlag Berlin Heidelberg, pp. 135-143, Sept 30 - Oct 3, 2007.  Download: fulltext.pdf (467.59 KB)
Khaleghzadeh, H., M. Fahad, R. Reddy, and A. Lastovetsky, "Optimization of Data-Parallel Applications on Heterogeneous HPC Platforms for Dynamic Energy Through Workload Distribution", 17th Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms (HeteroPar 2019), Gottingen, Germany, Lecture Notes in Computer Science, vol. 11997, Springer, 08/2019, 2020.  Download: Khaleghzadeh2020_Chapter_OptimizationOfData-ParallelApp.pdf (692.31 KB)
Reddy, R., A. Lastovetsky, and P. Alonso, "Parallel Solvers for Dense Linear Systems for Heterogeneous Computational Clusters", The 23rd IEEE International Parallel and Distributed Processing Symposium (IPDPS 2009), Rome, Italy, IEEE Computer Society, May 25-29, 2009.  Download: pdsec_linear_solvers_hcc_cr.pdf (252.69 KB)
Khokhriakov, S., R. Reddy, and A. Lastovetsky, "Performance Optimization of Multithreaded 2D FFT on Multicore Processors: Challenges and Solution Approaches", IEEE 25th International Conference on High Performance Computing Workshops (HiPCW), Bengaluru, India, IEEE, pp. 8-17, 17-20 Dec, 2018.  Download: paper.pdf (1.33 MB)
Reddy, R., A. Lastovetsky, and P. Alonso, "Scalable Dense Factorizations for Heterogeneous Computational Clusters", 7th International Symposium on Parallel and Distributed Computing, Krakow, Poland, pp. 49-56, Jul 1-5, 2008. Abstract  Download: ispdc_rreddy_scalable_factorizations.pdf (262.74 KB)
Lastovetsky, A., V. Rychkov, and M. O'Flynn, "A Software Tool for Accurate Estimation of Parameters of Heterogeneous Communication Models", 15th European PVM/MPI User's Group Meeting, vol. 5205, Dublin, Ireland, Springer-Verlag Berlin Heidelberg, pp. 43-54, September 7-10, 2008.  Download: 52050043.pdf (352.98 KB)
Patton, S., H. Khaleghzadeh, R. Reddy, and A. Lastovetsky, "SummaGen: Parallel Matrix-Matrix Multiplication Based on Non-rectangular Partitions for Heterogeneous HPC Platforms", 28th Heterogeneity in Computing Workshop (HCW 2019), Rio de Janeiro, Brazil, IEEE, 20/05/2019.  Download: hcw2019.pdf (673.25 KB)
Malik, T., V. Rychkov, A. Lastovetsky, and J. - N. Quintin, "Topology-aware Optimization of Communications for Parallel Matrix Multiplication on Hierarchical Heterogeneous HPC Platforms", 23rd International Heterogeneity in Computing Workshop (HCW 2014), Phoenix, Arizona, USA, IEEE Computer Society, 19 May, 2014.  Download: HCW-2014-09.pdf (294.81 KB)
Dichev, K., V. Rychkov, and A. Lastovetsky, "Two Algorithms of Irregular Scatter/Gather Operations for Heterogeneous Platforms", EuroMPI 2010, vol. 6305, Stuttgart, Germany, pp. 289-293, Sep 12-15, 2010.  Download: EuroMPI2010.pdf (266.09 KB)
Lastovetsky, A., and R. Reddy, "Two-dimensional Matrix Partitioning for Parallel Computing on Heterogeneous Processors Based on their Functional Performance Models", 7th International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms (HeteroPar 2009) , Delft, Netherlands, Lecture Notes in Computer Science, vol. 6043, Springer, pp. 112-121, 25/9/2009, 2010.  Download: heteropar2009-2.pdf (1021.24 KB)
Rychkov, V., D. Clarke, and A. Lastovetsky, "Using Multidimensional Solvers for Optimal Data Partitioning on Dedicated Heterogeneous HPC Platforms ", Proceedings of the 11th International Conference on Parallel Computing Technologies (PaCT-2011), LNCS 6873, Kazan, Russia, Springer, pp. 332-346, September 19-23, 2011.  Download: pact-2011.pdf (337.7 KB)
Lastovetsky, A., and R. Reddy, "A Variable Group Block Distribution Strategy for Dense Factorizations on Networks of Heterogeneous Computers", Proceedings of the 6th International Conference on Parallel Processing and Applied Mathematics (PPAM 2005), vol. 3911, Poznan, Poland, Springer, 11-14 Sept 2005.  Download: PPAM_HPC_Hetero_LU_2005.pdf (79.43 KB)
Journal Article
Lastovetsky, A., and V. Rychkov, "Accurate and efficient estimation of parameters of heterogeneous communication performance models", International Journal of High Performance Computing Applications, vol. 23, issue 2, pp. 123-139, 2009.  Download: 123.pdf (504.5 KB)
Lastovetsky, A., V. Rychkov, and M. O'Flynn, "Accurate Heterogeneous Communication Models and a Software Tool for their Efficient Estimation", International Journal of High Performance Computing Applications, vol. 24, issue 1, pp. 34-48, 2010.  Download: IJHPCA_2010.pdf (160.91 KB)
Shahid, A., M. Fahad, R. Reddy, and A. Lastovetsky, "Additivity: A Selection Criterion for Performance Events for Reliable Energy Predictive Modeling", Supercomputing Frontiers and Innovations, vol. 4, issue 4, pp. 50-65, 12/2017. Abstract  Download: 153-992-1-PB.pdf (666.73 KB)
Zhu, J., A. Lastovetsky, S. Ali, R. Riesen, and K. Hasanov, "Asymmetric communication models for resource-constrained hierarchical Ethernet networks", Concurrency and Computation: Practice and Experience, vol. 27, issue 6: Wiley, pp. 1575-1590, 25/04/2015.  Download: cpe3343.pdf (1.69 MB)
Lastovetsky, A., and R. Reddy, "Data distribution for dense factorization on computers with memory heterogeneity", Parallel Computing, vol. 33, issue 12, pp. 757-779, 12/2007. Abstract  Download: sdarticle.pdf (714.34 KB)