On the usage of the Arm C Language Extensions for a High-Order Finite-Element Kernel

Sylvain Jubertie (1) , Guillaume Quintin (2) , Fabrice Dupros (3)

1 LIFO - Laboratoire d'Informatique Fondamentale d'Orléans
2 Agenium Scale
3 Arm

Physics-based three-dimensional numerical simulations are becoming more predictive and have already become essential. As an example in geophysics, simulations at scale with a very fine resolution, including uncertainty quantification procedures are crucial to provide the relevant physical parameters for forward modeling of seismic wave propagation. Consequently, the diversity of HPC architectures available (heterogeneity, high core counts or depth of the memory hierarchy) leads to increasing concerns regarding the portability of applicative performances. In this paper, we discuss the implementation of the classical spectral finite-elements method using the Arm C Language Extensions for both Neon and SVE SIMD units.

Domaines: Calcul parallèle, distribué et partagé [cs.DC]

Sylvain Jubertie, Guillaume Quintin, Fabrice Dupros. On the usage of the Arm C Language Extensions for a High-Order Finite-Element Kernel. EAHPC, Sep 2020, Kobe, Japan. ⟨hal-03029933⟩