Developer Reference

Contents

DFT Functionality

DFTI Interfaces
Functionality
CPU
OpenMP Offload Intel GPU
Complex-to-Complex FFT transformations
Yes, 1D through 7D
Yes, 1D through 3D
Real-to-Complex FFT transformations
Yes, 1D through 7D
Yes, 1D through 3D
FFTW3 Interfaces
Functionality
CPU
OpenMP Offload Intel GPU
Complex-to-Complex FFT transformations
Yes, 1D through 7D
Yes, 1D through 3D
Real-to-Complex FFT transformations
Yes, 1D through 7D
No
FFTW2 Interfaces
Functionality
CPU
OpenMP Offload Intel GPU
Complex-to-Complex FFT transformations
Yes, 1D through 7D
No
Real-to-Complex FFT transformations
Yes, 1D through 7D
No

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.