@techreport {, title = {FFT Benchmark Performance Experiments on Systems Targeting Exascale}, journal = {ICL Technical Report}, number = {ICL-UT-22-02}, year = {2022}, month = {2022-03}, author = {Alan Ayala and Stanimire Tomov and Piotr Luszczek and Sebastien Cayrols and Gerald Ragghianti and Jack Dongarra} }