7 citations · 9 across the 7 of their papers we have counts for
7 papers
A GPU-Accelerated Interior Point Method for Radiation Therapy Optimization
Felix Liu, Albin Fredriksson, Stefano Markidis
Optimization plays a central role in modern radiation therapy, where it is used to determine optimal treatment machine parameters in order to deliver precise doses adapted to each…
Accelerating Particle-in-Cell Monte Carlo Simulations with MPI, OpenMP/OpenACC and Asynchronous Multi-GPU Programming
Jeremy J. Williams, Felix Liu, Jordy Trilaksono +11
As fusion energy devices advance, plasma simulations are crucial for reactor design. Our work extends BIT1 hybrid parallelization by integrating MPI with OpenMP and OpenACC, focusi…
Krylov Solvers for Interior Point Methods with Applications in Radiation Therapy and Support Vector Machines
Felix Liu, Albin Fredriksson, Stefano Markidis
Interior point methods are widely used for different types of mathematical optimization problems. Many implementations of interior point methods in use today rely on direct linear…
Anderson Accelerated PMHSS for Complex-Symmetric Linear Systems
Måns I. Andersson, Felix Liu, Stefano Markidis
This paper presents the design and development of an Anderson Accelerated Preconditioned Modified Hermitian and Skew-Hermitian Splitting (AA-PMHSS) method for solving complex-symme…
Parallel Cholesky Factorization for Banded Matrices using OpenMP Tasks
Felix Liu, Albin Fredriksson, Stefano Markidis
Cholesky factorization is a widely used method for solving linear systems involving symmetric, positive-definite matrices, and can be an attractive choice in applications where a h…
Distributed Objective Function Evaluation for Optimization of Radiation Therapy Treatment Plans
Felix Liu, Måns I. Andersson, Albin Fredriksson +1
The modern workflow for radiation therapy treatment planning involves mathematical optimization to determine optimal treatment machine parameters for each patient case. The optimiz…
Accelerating Radiation Therapy Dose Calculation with Nvidia GPUs
Felix Liu, Niclas Jansson, Artur Podobas +2
Radiation Treatment Planning (RTP) is the process of planning the appropriate external beam radiotherapy to combat cancer in human patients. RTP is a complex and compute-intensive…