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More => Old Versions => JRiver Media Center 21 for Linux => Topic started by: keylimesoda on December 30, 2015, 04:12:00 pm

Title: Performance characteristics of JRiver native convolver on RPi2?
Post by: keylimesoda 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?

   

 

Title: Re:
Post by: mattkhan 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.