3 papers
math.NA2022
A Directional Equispaced interpolation-based Fast Multipole Method for oscillatory kernels
Igor Chollet, Xavier Claeys, Pierre Fortin +1
Fast Multipole Methods (FMMs) based on the oscillatory Helmholtz kernel can reduce the cost of solving N-body problems arising from Boundary Integral Equations (BIEs) in acoustic o…
cs.DC2020
High performance SIMD modular arithmetic for polynomial evaluation
Pierre Fortin, Ambroise Fleury, François Lemaire +1
Two essential problems in Computer Algebra, namely polynomial factorization and polynomial greatest common divisor computation, can be efficiently solved thanks to multiple polynom…
cs.DC2019
Task-based Augmented Contour Trees with Fibonacci Heaps
Charles Gueunet, P. Fortin, J Jomier +1
This paper presents a new algorithm for the fast, shared memory, multi-core computation of augmented contour trees on triangulations. In contrast to most existing parallel algorith…