• closedAccess   Reproducibility strategies for parallel Preconditioned Conjugate Gradient 

      Iakymchuk, Roman; Barreda Vayá, Maria; Wiesenberger, Matthias; Aliaga Estellés, José Ignacio; Quintana-Orti, Enrique S. Elsevier (2020-01-02)
      The Preconditioned Conjugate Gradient method is often used in numerical simulations. While being widely used, the solver is also known for its lack of accuracy while computing the residual. In this article, we aim at a ...