[srslte-users] NVIDIA CUFFT library instead of the FFTW library?

Andre Puschmann andre.puschmann at softwareradiosystems.com
Fri Jul 14 09:30:38 UTC 2017


Hi Robson,

we haven't tried to use the GPU for FFT processing. While it's certainly
possible it's not really worth it either as FFTW on GPPs is blazingly fast.

Cheers
Andre




On 07.07.2017 06:39, Robson Pereira wrote:
> Hi,
> 
> Has anyone tried running the srsLTE/lib/src/phy/dft/dft_fftw.c with the
> CUDA GPU FFTW library?
> 
> The FFTW code would be accelerated in a GPU just as an experiment.
> 
> https://devblogs.nvidia.com/parallelforall/cudacasts-episode-8-accelerate-fftw-apps-cufft-55/
> 
> Thanks,
> Robson
> 
> 
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