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UID:submissions.pasc-conference.org_PASC24_sess158_pos166@linklings.com
SUMMARY:P30 - Implementation and Benchmarking of a New Radiation Module in
  the WarpX Particle-In-Cell Code
DESCRIPTION:Poster\n\nLuca Fedeli, Thomas Clark, and Pierre Bartoli (CEA);
  Axel Huebl, Rémi Lehe, and Jean-Luc Vay (Lawrence Berkeley National Labor
 atory); and Henri Vincenti (CEA)\n\nThe interaction of ultra-intense femto
 second lasers with plasmas is of interest for a variety of applications, i
 ncluding the acceleration of ultra-short, highly energetic electron bunche
 s and the realization of compact secondary radiation sources. In all these
  scenarios, radiative processes are either a powerful diagnostic tool or t
 he main physical process at play, and it is therefore very important to si
 mulate them accurately in order to effectively design experiments and inte
 rpret their results.\nIn this contribution we describe the implementation 
 of a radiation module in the open-source, massively parallel, Particle-In-
 Cell code WarpX. We provide benchmarks of this module on different archite
 ctures, including AMD GPUs, NVIDIA GPUs, and various CPUs. We also discuss
  how large-scale simulations performed with this radiation module can be u
 sed to support the experimental investigation of a novel injector concept 
 for a laser-driven electron accelerator.\nThe WarpX  code is a highly-para
 llel and highly-optimized code, which can run on GPUs and multi-core CPUs.
  WarpX is used on the world’s largest supercomputers (including Frontier, 
 Fugaku and LUMI), and was awarded the 2022 ACM Gordon Bell Prize. WarpX ha
 s recently become a project of the High-Performance Software foundation.\n
 \nSession Chair: Iva Kavcic (Met Office)
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