High Performance Architectures, Tools and Technologies -- Equivalent Transformations of Some Kinds of Computing Structures of Non-linear Recurrent Expressions for Reconfigurable Computing Systems -- Development and Practical Application of Methods for Detecting Similar Supercomputer Jobs -- Detecting Changes in Communication Properties of Parallel Programs by InfiniBand Traffic Analysis -- Transformation of Graphs with Associative Operations in Terms of the Set@l Programming Language -- Parallel Numerical Algorithms -- GPU-Accelerated Fuzzy Inference Based on Fuzzy Truth Values -- Deflation of Periodic Orbits in Large-Scale Systems: Algorithm and Parallel Implementation -- Parallel Computations for Solving Multicriteria Mixed-Integer Optimization Problems -- Parallel Intelligent Computing in Algebraic Problems -- CUDA Implementation of an Algorithm for Batch Mode Detection of Collisions -- Functionally Arranged Data for Algorithms with Space-Time Wavefront -- Exploring the Limits of Problem-Specific Adaptations of SAT Solvers in SAT-based Cryptanalysis -- FRaGenLP: A Generator of Random Linear Programming Problems for Cluster Computing Systems -- Application of the AmgX Library to the Discontinuous Galerkin Methods for Elliptic Problems -- Conjugate Direction Methods for Parallel Deflation -- Supercomputer Simulation -- Research of the Mechanism of External Hormonal Regulation of the Development of Phyto- and Zooplankton Populations Using Supercomputer Technologies -- Luthien: A Parallel PIC Code for Modeling the Interaction of Focused Electron Beams with Plasma -- Simulation of Heat and Mass Transfer in Open Geothermal Systems: a Parallel Implementation -- Supercomputer-based Simulation of the Hydrodynamics of River Mouth Areas -- System for the Visualization of Meshes of Big Size Obtained from Gas-Dynamic Simulations -- Finite Element Simulation of the Influence of the Bending Roll Profile on the Stress-strain State of Billets for Longitudinal-welded Rolled Pipes -- Digital Twins of Geological Objects: Development and Use -- A Parallel Algorithm to Compute the Transport of Suspended Particles Based on 3D Models.