rt: allow configuring I/O events capacity #5186
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carllerche
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Nov 11, 2022
Darksonn
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Darksonn
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Nov 12, 2022
tokio/src/runtime/builder.rs
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| /// Enables the I/O driver and configures the capacity of events to be | ||
| /// processed per tick. |
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Replaced with max number of events
|
Hi, did you see my previous comment? |
Noah-Kennedy
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Dec 7, 2022
crapStone
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Jan 8, 2023
This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [tokio](https://tokio.rs) ([source](https://github.com/tokio-rs/tokio)) | dependencies | minor | `1.23.0` -> `1.24.1` | | [tokio](https://tokio.rs) ([source](https://github.com/tokio-rs/tokio)) | dev-dependencies | minor | `1.23.0` -> `1.24.1` | --- ### Release Notes <details> <summary>tokio-rs/tokio</summary> ### [`v1.24.1`](https://github.com/tokio-rs/tokio/releases/tag/tokio-1.24.1): Tokio v1.24.1 [Compare Source](tokio-rs/tokio@tokio-1.24.0...tokio-1.24.1) This release fixes a compilation failure on targets without `AtomicU64` when using rustc older than 1.63. ([#​5356]) [#​5356]: tokio-rs/tokio#5356 ### [`v1.24.0`](https://github.com/tokio-rs/tokio/releases/tag/tokio-1.24.0): Tokio v1.24.0 [Compare Source](tokio-rs/tokio@tokio-1.23.1...tokio-1.24.0) The highlight of this release is the reduction of lock contention for all I/O operations ([#​5300](tokio-rs/tokio#5300)). We have received reports of up to a 20% improvement in CPU utilization and increased throughput for real-world I/O heavy applications. ##### Fixed - rt: improve native `AtomicU64` support detection ([#​5284]) ##### Added - rt: add configuration option for max number of I/O events polled from the OS per tick ([#​5186]) - rt: add an environment variable for configuring the default number of worker threads per runtime instance ([#​4250]) ##### Changed - sync: reduce MPSC channel stack usage ([#​5294]) - io: reduce lock contention in I/O operations ([#​5300]) - fs: speed up `read_dir()` by chunking operations ([#​5309]) - rt: use internal `ThreadId` implementation ([#​5329]) - test: don't auto-advance time when a `spawn_blocking` task is running ([#​5115]) [#​5186]: tokio-rs/tokio#5186 [#​5294]: tokio-rs/tokio#5294 [#​5284]: tokio-rs/tokio#5284 [#​4250]: tokio-rs/tokio#4250 [#​5300]: tokio-rs/tokio#5300 [#​5329]: tokio-rs/tokio#5329 [#​5115]: tokio-rs/tokio#5115 [#​5309]: tokio-rs/tokio#5309 ### [`v1.23.1`](https://github.com/tokio-rs/tokio/releases/tag/tokio-1.23.1): Tokio v1.23.1 [Compare Source](tokio-rs/tokio@tokio-1.23.0...tokio-1.23.1) This release forward ports changes from 1.18.4. ##### Fixed - net: fix Windows named pipe server builder to maintain option when toggling pipe mode ([#​5336]). [#​5336]: tokio-rs/tokio#5336 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about these updates again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC44NC4xIiwidXBkYXRlZEluVmVyIjoiMzQuODQuMSJ9--> Co-authored-by: cabr2-bot <cabr2.help@gmail.com> Reviewed-on: https://codeberg.org/Calciumdibromid/CaBr2/pulls/1703 Reviewed-by: crapStone <crapstone@noreply.codeberg.org> Co-authored-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org> Co-committed-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org>
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Adds a method
Builder::max_io_events_per_tick()to the runtime builder. This can be used to configure the capacity of events that may be processed per OSpoll.