24 citations · 125 across the 23 of their papers we have counts for
23 papers
Rethinking Sparse Formats for RISC-V: A Hierarchical Approach to High-Performance SpMV
Anna Pirova, Anastasia Vodeneeva, Konstantin Kovalev +7
The sparse matrix-vector multiplication (SpMV) algorithm is a fundamental computational kernel of linear algebra and serves as a building block for numerous applications, primarily…
Hybrid deep learning-based phase diversity method for wavefront reconstruction
Y. Rodimkov, A. Kotov, K. Burdonov +4
The efficiency of high-power laser systems is limited by wavefront distortions in the beam, particularly non-common path aberrations, which reduce the peak intensity at the focal p…
Performance optimization of BLAS algorithms with band matrices for RISC-V processors
Anna Pirova, Anastasia Vodeneeva, Konstantin Kovalev +5
The rapid development of RISC-V instruction set architecture presents new opportunities and challenges for software developers. Is it sufficient to simply recompile high-performanc…
High-Performance Implementation of the Optimized Event Generator for Strong-Field QED Plasma Simulations
Elena Panova, Valentin Volokitin, Aleksei Bashinov +3
Numerical simulation of strong-field quantum electrodynamics (SFQED) processes is an essential step towards current and future high-intensity laser experiments. The complexity of S…
Vectorization of Gradient Boosting of Decision Trees Prediction in the CatBoost Library for RISC-V Processors
Evgeny Kozinov, Evgeny Vasiliev, Andrey Gorshkov +4
The emergence and rapid development of the open RISC-V instruction set architecture opens up new horizons on the way to efficient devices, ranging from existing low-power IoT board…
Improved vectorization of OpenCV algorithms for RISC-V CPUs
V. D. Volokitin, E. P. Vasiliev, E. A. Kozinov +5
The development of an open and free RISC-V architecture is of great interest for a wide range of areas, including high-performance computing and numerical simulation in mathematics…
Case Study for Running Memory-Bound Kernels on RISC-V CPUs
Valentin Volokitin, Evgeny Kozinov, Valentina Kustikova +2
The emergence of a new, open, and free instruction set architecture, RISC-V, has heralded a new era in microprocessor architectures. Starting with low-power, low-performance protot…
Optimized event generator for strong-field QED simulations within the hi- framework
Valentin Volokitin, Joel Magnusson, Aleksei Bashinov +3
Probabilistic generation of photons and electron-positron pairs due to the processes of strong-field quantum electrodynamics (SFQED) is often the most resource-intensive part of th…
Towards ML-based diagnostics of focused laser pulse
Y. R. Rodimkov, V. D. Volokitin, I. B. Meyerov +1
Currently, machine learning (ML) methods are widely used to process the results of physical experiments. In some cases, due to the limited amount of experimental data, ML-models ca…
Black-Scholes Option Pricing on Intel CPUs and GPUs: Implementation on SYCL and Optimization Techniques
Elena Panova, Valentin Volokitin, Anton Gorshkov +1
The Black-Scholes option pricing problem is one of the widely used financial benchmarks. We explore the possibility of developing a high-performance portable code using the SYCL (D…
Machine Learning approach to the Floquet--Lindbladian problem
V. Volokitin, I. Meyerov, S. Denisov
Similar to its classical version, quantum Markovian evolution can be either time-discrete or time-continuous. Discrete quantum Markovian evolution is usually modeled with completel…
Particle trajectories, gamma-ray emission, and anomalous radiative trapping effects in magnetic dipole wave
A. V. Bashinov, E. S. Efimenko, A. A. Muraviev +5
In studies of interaction of matter with laser fields of extreme intensity there are two limiting cases of a multi-beam setup maximizing either the electric field or the magnetic f…
High Performance Implementation of Boris Particle Pusher on DPC++. A First Look at oneAPI
Valentin Volokitin, Alexey Bashinov, Evgeny Efimenko +2
New hardware architectures open up immense opportunities for supercomputer simulations. However, programming techniques for different architectures vary significantly, which leads…
Dense ee plasma formation in magnetic dipole wave: vacuum breakdown by 10-PW class lasers
A. V. Bashinov, E. S. Efimenko, A. A. Muraviev +5
When studying the interaction of matter with extreme fields using multipetawatt lasers, there are two limiting cases maximizing either the electric field or the magnetic field. Her…
Optimized computation of tight focusing of short pulses using mapping to periodic space
Elena Panova, Valentin Volokitin, Evgeny Efimenko +9
When a pulsed, few-cycle electromagnetic wave is focused by optics with f-number smaller than two, the frequency components it contains are focused to different regions of space, b…
Optimized routines for event generators in QED-PIC codes
V. Volokitin, S. Bastrakov, A. Bashinov +4
In recent years, the prospects of performing fundamental and applied studies at the next-generation high-intensity laser facilities have greatly stimulated the interest in performi…
Strategies for particle resampling in PIC simulations
A. Muraviev, A. Bashinov, E. Efimenko +3
In particle-in-cell simulations, excessive or even unfeasible computational demands can be caused by the growth of the number of particles in the course of prolific ionization or c…
Transforming the Lindblad Equation into a System of Linear Equations: Performance Optimization and Parallelization of an Algorithm
Iosif Meyerov, Evgeny Kozinov, Alexey Liniov +4
With their constantly increasing peak performance and memory capacity, modern supercomputers offer new perspectives on numerical studies of open many-body quantum systems. These sy…
Propagating large open quantum systems towards their steady states: cluster implementation of the time-evolving block decimation scheme
Valentin Volokitin, Ihor Vakulchyk, Evgeny Kozinov +5
Many-body quantum systems are subjected to the Curse of Dimensionality: The dimension of the Hilbert space , where these systems live in, grows exponentially with syst…
Exploiting Parallelism on Shared Memory in the QED Particle-in-Cell Code PICADOR with Greedy Load Balancing
Iosif Meyerov, Sergei Bastrakov, Aleksei Bashinov +6
State-of-the-art numerical simulations of laser plasma by means of the Particle-in-Cell method are often extremely computationally intensive. Therefore there is a growing need for…
Unfolding quantum master equation into a system of real-valued equations: computationally effective expansion over the basis of generators
A. Liniov, I. Meyerov, E. Kozinov +4
Dynamics of an open -state quantum system is typically modeled with a Markovian master equation describing the evolution of the system's density operator. By using generators of…
Quantum bifurcation diagrams
M. Ivanchenko, E. Kozinov, V. Volokitin +3
Asymptotic state of an open quantum system can undergo qualitative changes upon small variation of system parameters. We demonstrate it that such 'quantum bifurcations' can be appr…
Computation of the asymptotic states of modulated open quantum systems with a numerically exact realization of the quantum trajectory method
V. Volokitin, A. Liniov, I. Meyerov +4
Quantum systems out of equilibrium are presently a subject of active research, both in theoretical and experimental domains. In this work we consider time-periodically modulated qu…