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Fischer, P.F.

Paper Title Page
TUPEC061 Scalable High-order Algorithms for Wakefield Simulations 1865
 
  • M. Min, P.F. Fischer
    ANL, Argonne
 
 

NekCEM is a high-performance parallel code for simulating wakefields based on high-order discretizations*,**. We will present performance of NekCEM code at large count of processors. A newly developed communication kernel for NekCEM enables simulations on 10K-100K processors. We will demonstrate scalablity analysis for P>10K, depending on the number of grid points per processor for wakepotential simulations with a 9-cell TESLA cavity.


* Spectral element discontinuous Galerkin (SEDG) simulations with a moving window, Proc. PAC09
** SEDG simulations for bunched beam in accelerating structures, Proc. PAC07