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

From: Sylvain Munaut
Subject: Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block for GNURadio using GPU acceleration
Date: Mon, 28 Oct 2013 10:14:16 +0100

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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