[hpsdr] Announcement of a CudaSharpDSP package for HPSDR: doing parallel DSP processing on your GPU

[Jeremy McDermond]

On May 1, 2010, at 1:53 AM, Hermann wrote:
> Interestingly, if I run the application with
> CudaSharpDSP, turn on AGC, Filter, and have 192 kHz sample rate, and
> 8k input buffer, 4k output buffer, the CPU still takes 30% (averged on
> the cores). Must all come from shuffling data around from Ozy to GPU
> and back, or?

My experience with MacHPSDR is that most of the processor right now is taken up by merely shuffling the USB data back and forth between userspace and the kernel.  The next biggest consumer of processor seems to be the AGC code.

> Any hints, comments and suggestions are welcome!
> 
> vy 73s,
> 
> Hermann
> 
> DL3HVH

--
Jeremy McDermond (NH6Z)
Xenotropic Systems
mcdermj at xenotropic.com




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