Another Case of Obscure CPU Nondeterminism
rr := <a href="https:&#x2F;&#x2F;github.com&#x2F;mozilla&#x2F;rr" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;mozilla&#x2F;rr</a><p>rr is a lightweight tool for recording and replaying execution of applications (trees of processes and threads).