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Processing samples in ARM

Question asked by rdst14 on May 9, 2016
Latest reply on May 16, 2016 by larsc

Hi,

 

I have a rather simple question about ARM performance. I used iio_adi_xflow_check tool in libiio to test how much sampling rate the drivers can support. I observe I can buffer up samples even up to >=56MHz. However as soon as I add sample processing logic to the same code in the form of, let's say, a FOR loop calculating the ampltiude of samples, even at lowest samples rates (<=1MHz) I start getting overflows. I am not sure if this makes sense at all and is it viable to do any sort of baseband processing on ARM.

 

 

Thanks!

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