Version: 2021.1
Last Updated: 12/04/2020
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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

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