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`performance.timeOrigin` was being set from when JS started executing, but `op_now` measures from an `std::time::Instant` stored in `OpState`, which is created at a completely different time. This caused `performance.timeOrigin` to be very incorrect. This PR corrects the origin and also cleans up some of the timer code. Compared to `Date.now()`, `performance`'s time origin is now consistently within 5us (0.005ms) of system time. ![image](https://github.com/user-attachments/assets/0a7be04a-4f6d-4816-bd25-38a2e6136926) |
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.. | ||
bench.rs | ||
jupyter.rs | ||
mod.rs | ||
testing.rs |