Re: [Discuss-gnuradio] Non-deterministic behavior in GNU Radio

[Ron Economos]

It's a VOLK bug. Go into ~/.volk/volk_profile and change the 
volk_32fc_x2_divide_32fc line to generic. That fixes the issue here.

Ron


On 10/03/2018 05:46 AM, Piotr Krysik wrote:
> Hi all,
>
> I simplified the flowgraph a bit and prepared a script that runs it
> twice and compares the results.
>
> https://imgur.com/a/CSjOeLc
>
> In short something is wrong indeed.
> Almost after every run of the script I get results with differences.
>
> I tested it on GNU Radio  3.7.12.0, I'm compiling the most fresh version
> now.
>
> Best Regards,
> Piotr Krysik
>
> W dniu 03.10.2018 o 06:55, Reiichiro Nakano pisze:
> > Here's an updated flowgraph where you don't need a separate file
> > source. Just run the flowgraph twice for a few seconds each. You'll
> > likely get different file sizes but `cmp` doesn't care, it'll still
> > show the first differing byte which should still prove the bug exists.