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wwilson
on Sept 10, 2024
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Debugging in the Multiverse
This makes the mapping "injective":
https://antithesis.com/blog/deterministic_hypervisor/
The "onto" direction doesn't really matter.
nynx
on Sept 10, 2024
[–]
How can it reverse time? Does it record a stack of every decision point?
intuitionist
on Sept 10, 2024
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You don’t need to reverse time if you can deterministically reproduce everything that led up to the point of interest. (In practice we save a snapshot of your system at some intermediate point and replay from there.)
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The "onto" direction doesn't really matter.