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

[Hermann]

Thanks, Jeremy. Same experience here, and since the AGC is processed
on the GPU now, it takes also most of the GPU resources.

Vy 73,
Hermann

DL3HVH

On Wed, May 5, 2010 at 11:07 PM, Jeremy McDermond
<mcdermj at xenotropic.com> wrote:
> 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
>
>
>
>



-- 
Herzliche Grüße / Kind regards

Hermann von Hasseln

DL3HVH

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