Forums - FFT performance on Hexagon

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FFT performance on Hexagon
Kazem
Join Date: 28 Jul 14
Location: Montreal
Posts: 10
Posted: Wed, 2014-11-12 09:19

Hello,

I am running 1D FFT written in assembly named FFTsfc. The time that I am getting is 13 us per each FFT. Comparing to FFT on CPU(one core) and GPU, it is too slow. about ~10 times slower. I wanted to know whether this is an efficient FFT? Is there any better FFT for hexagon?

Thanks,

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Sajeer Fazil
Join Date: 12 Nov 14
Posts: 1
Posted: Wed, 2014-11-12 10:11

Hi, 

Did you get a chance to refer the examples provided in the location 

"C:\Qualcomm\HEXAGON_Tools\<version>\examples\libcore\SigProc" 

-Sajeer

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