Developer Reference

  • 2021.1
  • 12/04/2020
  • Public Content
Contents

DFT Functionality

DFTI Interfaces
Functionality
CPU
OpenMP Offload Intel GPU
1D Complex-to-Complex FFT transformations
Yes
Yes
2D Complex-to-Complex FFT transformations
Yes
Yes
3D Complex-to-Complex FFT transformations
Yes
Yes
4D Complex-to-Complex FFT transformations
Yes
No
5D Complex-to-Complex FFT transformations
Yes
No
6D Complex-to-Complex FFT transformations
Yes
No
7D Complex-to-Complex FFT transformations
Yes
No
1D Real-to-Complex FFT transformations
Yes
Yes
2D Real-to-Complex FFT transformations
Yes
Yes
3D Real-to-Complex FFT transformations
Yes
Yes
4D Real-to-Complex FFT transformations
Yes
No
5D Real-to-Complex FFT transformations
Yes
No
6D Real-to-Complex FFT transformations
Yes
No
7D Real-to-Complex FFT transformations
Yes
No
FFTW3 Interfaces
Functionality
CPU
OpenMP Offload Intel GPU
1D Complex-to-Complex FFT transformations
Yes
No
2D Complex-to-Complex FFT transformations
Yes
No
3D Complex-to-Complex FFT transformations
Yes
No
4D Complex-to-Complex FFT transformations
Yes
No
5D Complex-to-Complex FFT transformations
Yes
No
6D Complex-to-Complex FFT transformations
Yes
No
7D Complex-to-Complex FFT transformations
Yes
No
1D Real-to-Complex FFT transformations
Yes
No
2D Real-to-Complex FFT transformations
Yes
No
3D Real-to-Complex FFT transformations
Yes
No
4D Real-to-Complex FFT transformations
Yes
No
5D Real-to-Complex FFT transformations
Yes
No
6D Real-to-Complex FFT transformations
Yes
No
7D Real-to-Complex FFT transformations
Yes
No
FFTW2 Interfaces
Functionality
CPU
OpenMP Offload Intel GPU
1D Complex-to-Complex FFT transformations
Yes
No
2D Complex-to-Complex FFT transformations
Yes
No
3D Complex-to-Complex FFT transformations
Yes
No
4D Complex-to-Complex FFT transformations
Yes
No
5D Complex-to-Complex FFT transformations
Yes
No
6D Complex-to-Complex FFT transformations
Yes
No
7D Complex-to-Complex FFT transformations
Yes
No
1D Real-to-Complex FFT transformations
Yes
No
2D Real-to-Complex FFT transformations
Yes
No
3D Real-to-Complex FFT transformations
Yes
No
4D Real-to-Complex FFT transformations
Yes
No
5D Real-to-Complex FFT transformations
Yes
No
6D Real-to-Complex FFT transformations
Yes
No
7D Real-to-Complex FFT transformations
Yes
No

Product and Performance Information

1

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