English

Collective-Optimized FFTs

Mathematical Software 2023-07-06 v2 Performance

Abstract

This paper measures the impact of the various alltoallv methods. Results are analyzed within Beatnik, a Z-model solver that is bottlenecked by HeFFTe and representative of applications that rely on FFTs.

Cite

@article{arxiv.2306.16589,
  title  = {Collective-Optimized FFTs},
  author = {Evelyn Namugwanya and Amanda Bienz and Derek Schafer and Anthony Skjellum},
  journal= {arXiv preprint arXiv:2306.16589},
  year   = {2023}
}
R2 v1 2026-06-28T11:17:25.053Z