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Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block fo

From: Mike Cornelius
Subject: Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block for GNURadio using GPU acceleration
Date: Tue, 29 Oct 2013 19:40:54 +1100

Hi Sylvain,

I had a chance to try it 'for real' this afternoon displaying live signals from a BladeRF source.
Let me just say WOW that's seriously impressive !!!!!

On my PC gr-fosphor handled the full 28MHz BladeRF BW beautifully.

I've used  R&S's FSVR and dare I say it, I reckon gr-phosphor is possibly better than the FSVR's visualizer, and MUCH more affordable.

Once again nice work.


On 28 October 2013 20:14, Sylvain Munaut <address@hidden> wrote:
Hi Mike,

> I hit the 'clCreateFromGLTexture' issue when compiling the benchmark tool,
> not only did I need to comment out the #define but I also needed to turn off
> -Werror in the makefile.

Yes. I have a potential fix, just need to test it doesn't break OSX ...

> I get 61msps with a GT9800 on a i7-950 @ 3.06G
> Interestingly I find that the benchmark results are erratic for a while and
> then stabilise as shown below.

It might be the disk read. The software reads from a file and it might
take a couple of iterations before the OS realizes it should cache the
file and pre-fetch it.



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