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LOCATION:HG F 3
DTSTART;TZID=Europe/Stockholm:20240605T130000
DTEND;TZID=Europe/Stockholm:20240605T133000
UID:submissions.pasc-conference.org_PASC24_sess154_msa168@linklings.com
SUMMARY:FFTX, SpectralPack and Beyond
DESCRIPTION:Minisymposium\n\nSanil Rao (Carnegie Mellon University)\n\nWe 
 present the design of the API and runtime environment of FFTX as well as f
 uture project directions. FFTX is developed as part of the DOE ExaScale ef
 fort by LBL, Carnegie Mellon University, and SpiralGen, Inc. We aim at tra
 nslating the LAPACK/BLAS approach from the numerical linear algebra world 
 to the spectral algorithm domain. FFTX is extending and updating FFTW for 
 the exascale era and beyond while providing backwards compatibility. Unlik
 e traditional math libraries FFTX utilizes the SPIRAL code generation syst
 em and runtime compilation as backend implementation and execution. A key 
 innovation is the concept of "integrated algorithms" that allows for cross
 -library call optimization. We will discuss how we are leveraging the FFTX
  software stack post ECP for cross-motif applications.\n\nDomain: Computat
 ional Methods and Applied Mathematics\n\nSession Chair: Phillip Colella (L
 awrence Berkeley National Laboratory, University of California)
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