time: remove cache padding in timer entries #5468
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# 1.26.0 (March 1st, 2023) ### Fixed - sync: don't leak tracing spans in mutex guards ([#5469]) - sync: drop wakers after unlocking the mutex in Notify ([#5471]) - sync: drop wakers outside lock in semaphore ([#5475]) - macros: fix empty `join!` and `try_join!` ([#5504]) ### Added - fs: add `fs::try_exists` ([#4299]) - net: add types for named unix pipes ([#5351]) - sync: add `MappedOwnedMutexGuard` ([#5474]) ### Documented - task: clarify what happens to spawned work during runtime shutdown ([#5394]) - task: clarify `process::Command` docs (#5406) ([#5413]) - sync: add doc aliases for `blocking_*` methods ([#5448]) - task: fix wording with 'unsend' ([#5452]) - signal: updated Documentation for Signals ([#5459]) - sync: fix docs for Send/Sync bounds in broadcast ([#5480]) - io: improve AsyncFd example ([#5481]) - tokio: document supported platforms ([#5483]) - runtime: document the nature of the main future ([#5494]) - sync: document drop behavior for channels ([#5497]) - time: document immediate completion guarantee for timeouts ([#5509]) - runtime: remove extra period in docs ([#5511]) ### Changed - net: use Message Read Mode for named pipes ([#5350]) - chore: update windows-sys to 0.45 ([#5386]) - sync: mark lock guards with `#[clippy::has_significant_drop]` ([#5422]) - sync: reduce contention in watch channel ([#5464]) - time: remove cache padding in timer entries ([#5468]) - time: Improve `Instant::now()` perf with test-util ([#5513]) ### Internal Changes - tests: port proptest fuzz harnesses to use cargo-fuzz ([#5392]) - time: don't store deadline twice in sleep entries ([#5410]) - rt: remove Arc from Clock ([#5434]) - sync: make `notify_waiters` calls atomic ([#5458]) - net: refactor named pipe builders to not use bitfields ([#5477]) - io: use `poll_fn` in `copy_bidirectional` ([#5486]) - fs: add more tests for filesystem functionality ([#5493]) - net: fix test compilation failure ([#5506]) - io: ignore SplitByUtf8BoundaryIfWindows test on miri ([#5507]) ### Unstable - metrics: add a new metric for budget exhaustion yields ([#5517]) [#4299]: #4299 [#5350]: #5350 [#5351]: #5351 [#5386]: #5386 [#5392]: #5392 [#5394]: #5394 [#5410]: #5410 [#5413]: #5413 [#5422]: #5422 [#5434]: #5434 [#5448]: #5448 [#5452]: #5452 [#5458]: #5458 [#5459]: #5459 [#5464]: #5464 [#5468]: #5468 [#5469]: #5469 [#5471]: #5471 [#5474]: #5474 [#5475]: #5475 [#5477]: #5477 [#5480]: #5480 [#5481]: #5481 [#5483]: #5483 [#5486]: #5486 [#5493]: #5493 [#5494]: #5494 [#5497]: #5497 [#5504]: #5504 [#5506]: #5506 [#5507]: #5507 [#5509]: #5509 [#5511]: #5511 [#5513]: #5513 [#5517]: #5517
Noah-Kennedy
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Mar 1, 2023
# 1.26.0 (March 1st, 2023) ### Fixed - macros: fix empty `join!` and `try_join!` ([#5504]) - sync: don't leak tracing spans in mutex guards ([#5469]) - sync: drop wakers after unlocking the mutex in Notify ([#5471]) - sync: drop wakers outside lock in semaphore ([#5475]) ### Added - fs: add `fs::try_exists` ([#4299]) - net: add types for named unix pipes ([#5351]) - sync: add `MappedOwnedMutexGuard` ([#5474]) ### Changed - chore: update windows-sys to 0.45 ([#5386]) - net: use Message Read Mode for named pipes ([#5350]) - sync: mark lock guards with `#[clippy::has_significant_drop]` ([#5422]) - sync: reduce contention in watch channel ([#5464]) - time: remove cache padding in timer entries ([#5468]) - time: Improve `Instant::now()` perf with test-util ([#5513]) ### Internal Changes - io: use `poll_fn` in `copy_bidirectional` ([#5486]) - net: refactor named pipe builders to not use bitfields ([#5477]) - rt: remove Arc from Clock ([#5434]) - sync: make `notify_waiters` calls atomic ([#5458]) - time: don't store deadline twice in sleep entries ([#5410]) ### Unstable - metrics: add a new metric for budget exhaustion yields ([#5517]) ### Documented - io: improve AsyncFd example ([#5481]) - runtime: document the nature of the main future ([#5494]) - runtime: remove extra period in docs ([#5511]) - signal: updated Documentation for Signals ([#5459]) - sync: add doc aliases for `blocking_*` methods ([#5448]) - sync: fix docs for Send/Sync bounds in broadcast ([#5480]) - sync: document drop behavior for channels ([#5497]) - task: clarify what happens to spawned work during runtime shutdown ([#5394]) - task: clarify `process::Command` docs ([#5413]) - task: fix wording with 'unsend' ([#5452]) - time: document immediate completion guarantee for timeouts ([#5509]) - tokio: document supported platforms ([#5483]) [#4299]: #4299 [#5350]: #5350 [#5351]: #5351 [#5386]: #5386 [#5394]: #5394 [#5410]: #5410 [#5413]: #5413 [#5422]: #5422 [#5434]: #5434 [#5448]: #5448 [#5452]: #5452 [#5458]: #5458 [#5459]: #5459 [#5464]: #5464 [#5468]: #5468 [#5469]: #5469 [#5471]: #5471 [#5474]: #5474 [#5475]: #5475 [#5477]: #5477 [#5480]: #5480 [#5481]: #5481 [#5483]: #5483 [#5486]: #5486 [#5494]: #5494 [#5497]: #5497 [#5504]: #5504 [#5509]: #5509 [#5511]: #5511 [#5513]: #5513 [#5517]: #5517
Noah-Kennedy
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that referenced
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Mar 1, 2023
# 1.26.0 (March 1st, 2023) ### Fixed - macros: fix empty `join!` and `try_join!` ([#5504]) - sync: don't leak tracing spans in mutex guards ([#5469]) - sync: drop wakers after unlocking the mutex in Notify ([#5471]) - sync: drop wakers outside lock in semaphore ([#5475]) ### Added - fs: add `fs::try_exists` ([#4299]) - net: add types for named unix pipes ([#5351]) - sync: add `MappedOwnedMutexGuard` ([#5474]) ### Changed - chore: update windows-sys to 0.45 ([#5386]) - net: use Message Read Mode for named pipes ([#5350]) - sync: mark lock guards with `#[clippy::has_significant_drop]` ([#5422]) - sync: reduce contention in watch channel ([#5464]) - time: remove cache padding in timer entries ([#5468]) - time: Improve `Instant::now()` perf with test-util ([#5513]) ### Internal Changes - io: use `poll_fn` in `copy_bidirectional` ([#5486]) - net: refactor named pipe builders to not use bitfields ([#5477]) - rt: remove Arc from Clock ([#5434]) - sync: make `notify_waiters` calls atomic ([#5458]) - time: don't store deadline twice in sleep entries ([#5410]) ### Unstable - metrics: add a new metric for budget exhaustion yields ([#5517]) ### Documented - io: improve AsyncFd example ([#5481]) - runtime: document the nature of the main future ([#5494]) - runtime: remove extra period in docs ([#5511]) - signal: updated Documentation for Signals ([#5459]) - sync: add doc aliases for `blocking_*` methods ([#5448]) - sync: fix docs for Send/Sync bounds in broadcast ([#5480]) - sync: document drop behavior for channels ([#5497]) - task: clarify what happens to spawned work during runtime shutdown ([#5394]) - task: clarify `process::Command` docs ([#5413]) - task: fix wording with 'unsend' ([#5452]) - time: document immediate completion guarantee for timeouts ([#5509]) - tokio: document supported platforms ([#5483]) [#4299]: #4299 [#5350]: #5350 [#5351]: #5351 [#5386]: #5386 [#5394]: #5394 [#5410]: #5410 [#5413]: #5413 [#5422]: #5422 [#5434]: #5434 [#5448]: #5448 [#5452]: #5452 [#5458]: #5458 [#5459]: #5459 [#5464]: #5464 [#5468]: #5468 [#5469]: #5469 [#5471]: #5471 [#5474]: #5474 [#5475]: #5475 [#5477]: #5477 [#5480]: #5480 [#5481]: #5481 [#5483]: #5483 [#5486]: #5486 [#5494]: #5494 [#5497]: #5497 [#5504]: #5504 [#5509]: #5509 [#5511]: #5511 [#5513]: #5513 [#5517]: #5517
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Cache padding the timer entries was originally done when the timer entries were heap allocated, but since they are now allocated on the stack, it doesn't make as much sense, and can hurt performance in some cases.
Closes: #5348