Working on Scalable Optimal Transport with R. Mohayaee, C. Dapogny and E. Oudet:
more than 1 billion particles !
➡️ use algebraic multigrid preconditioner (AMGCL)
➡️ rewrite GPU backend: no limit on matrix size, supports multi-GPU !
➡️ Available in OpenNL: github.com/BrunoLevy/Op...
