Photonic co-processors in HPC: Using LightOn OPUs for Randomized Numerical Linear Algebra

Daniel Hesslow, Alessandro Cappelli, Igor Carron, Laurent Daudet, Raphaël Lafargue, Kilian Müller, Ruben Ohana, Gustave Pariente, Iacopo Poli

Abstract: Exact computation of linear algebra operations is challenging or even impossible at extreme scale By leveraging randomization we can get approximate results at reduced computational cost Lighton OPU: The first commercially available photonic Co-Processor