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Author Topic: Performance characteristics of JRiver native convolver on RPi2?  (Read 1833 times)

keylimesoda

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Performance characteristics of JRiver native convolver on RPi2?
« on: December 30, 2015, 04:12:00 pm »
What kind of performance expectations should I have for the linux native convolver on an RPi2?

More specifically:
  • How many taps could reasonably be run at what resolution?
  • Is the convolver using FFTW libraries?  If so, which version?
  • Is the convolver optimized to use the ARM NEON SIMD instruction set?
  • Any chance of adding support for GPU_FFT on RPi/2?
  • How does the JRiver convolver compare to jconvolver or BruteFIR?
   

 
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mattkhan

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Re:
« Reply #1 on: December 30, 2015, 05:26:57 pm »
Can't help you with jriver perf but http://www.audiovero.de/en/preamp-14-cleanvolver.php might give you a data point, iirc this can do 2 channels at 64k taps.
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