• openAccess   Exploiting nested task-parallelism in the H-LU factorization 

      Carratalá-Sáez, Rocío; Christophersen, Sven; Aliaga Estellés, José Ignacio; Beltran Querol, Vicenç; Börm, Steffen; Quintana-Orti, Enrique S. Elsevier (2019-04)
      We address the parallelization of the LU factorization of hierarchical matrices (-matrices) arising from boundary element methods. Our approach exploits task-parallelism via the OmpSs programming model and runtime, which ...