Use new nightly-only APIs for even more speed#29
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SludgePhD
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Jan 26, 2026
| // Clone the `Thread`, unpark the clone | ||
| thread.clone().unpark(); | ||
| // Forget the previously owned instance, since wake_by_ref doesn't take ownership | ||
| core::mem::forget(thread); |
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The clone() above will increment the reference count, but this forget prevents it from being decremented, so this will leak the Thread internals.
The clone() above has to be removed for this function to be leak-free.
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You are correct. If I ever get round to work on this again I'll correct this.
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This brings a simple benchmark down from 10.3 seconds to 9.5 seconds.