Abstract
Abstract Thanks to the increasing power of supercomputers, CEA develops ever more complex numerical simulators in the field of High Performance Computing (HPC) to cover a wide range of physical phenomena. As a consequence, simulation codes tend to become unmanageable and difficult to maintain and adapt to new hardware architectures. In this paper, we report on our experience in the use of Model-Driven Engineering (MDE) and Domain-Specific Languages (DSLs) to face these challenges through two projects, namely Modane and NabLab. From this experience, we discuss the main lessons learned to be considered for conducting future projects in the field of HPC, and the remaining challenges that are worth being included in the road-map of the MDE community.
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