Hi,  
  
So, um, kind of good news but maybe not.  
  
So I built a collection of different VMs on ARM64 and the most recent build is below.  The stack VM gives the right answer, the cog one not.   The dates are the dates of the most recent commit from the git repository.  
  
2020/03/24 - Cog VM does not build, stack vm builds with the right answer.  
2021/01/09 - Both stack and cog VMs build.  Stack VM gives the right answer.  
2021/03/24 - Both stack and cog VMs build.  Stack VM gives the right answer.  
All of this on a Ubuntu 18.04 based system with Gcc 7.5.0 on an NVIDIA Jetson Nano which has A57 cores.  
  
I also in all cases with the cog VMs I tested the debug build as well in hopes that it was a GCC optimization problem, but, alas, no luck there.  
  
Tim, is it possible to try a stack build and see if that gives the correct answer for you?  
  
Thanks.  
  
bruce  
  
  
  
  
  
![image.png](cid:3a19d4bfdc9d7c15b068dd3eeee506ee60863221 at infomaniak "image.png")  
  
  



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