Re: [Discuss-gnuradio] FFT size constraints?

Thanks, Sylvain!

On 12/01/2017 11:19 AM, Sylvain Munaut wrote:
>> By convention, FFT sizes seem to be powers of 2. And Gnu Radio Companion
>> throws an error if you try to set a size of 16384 -- but will accept 16383.
>
> Probably related to the size of the buffers or something like that.
>
>
>> Is using a non-power-of-2 FFT simply less efficient, or are there other
>> concerns?
>
> Power of 2 FFTs are faster (potentially _much_ faster), but you can do
> FFT of any sizes.
>
>
> Cheers,
>
> Sylvain
>

_______________________________________________
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio