%0 Generic %D 2020 %T FFT-ECP API and High-Performance Library Prototype for 2-D and 3-D FFTs on Large-Scale Heterogeneous Systems with GPUs %A Stanimire Tomov %A Alan Ayala %A Azzam Haidar %A Jack Dongarra %B ECP Milestone Report %I Innovative Computing Laboratory, University of Tennessee %8 2020-01 %G eng %9 ECP WBS 2.3.3.13 Milestone Report