iopipe v0.0.4 - RingBuffers!

[Patrick Schluter]

On Thursday, 10 May 2018 at 23:22:02 UTC, Steven Schveighoffer 
wrote:
> OK, so at dconf I spoke with a few very smart guys about how I 
> can use mmap to make a zero-copy buffer. And I implemented this 
> on the plane ride home.
>
> [...]

They can be problematic with some CPU's and OS's. For modern 
CPU's there should be no problems but those with exotic caches 
and virtual memory configurations there can be some aliasing 
issues. Linus Torvalds talked a little about that case in this 
thread of realworldtech
https://www.realworldtech.com/forum/?threadid=174426&curpostid=174731