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Initialize rayon lazily #9435
Initialize rayon lazily #9435
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Thanks!
use clap::{CommandFactory, Parser}; | ||
use owo_colors::OwoColorize; | ||
use settings::PipTreeSettings; | ||
use std::sync::atomic::Ordering; |
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I normally don't comment on this stuff but can we keep this as std
then third-party? (Only because this moves a lot of imports around unnecessarily.)
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Nice! |
This MR contains the following updates: | Package | Update | Change | |---|---|---| | [astral-sh/uv](https://github.com/astral-sh/uv) | patch | `0.5.4` -> `0.5.5` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>astral-sh/uv (astral-sh/uv)</summary> ### [`v0.5.5`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#055) [Compare Source](astral-sh/uv@0.5.4...0.5.5) ##### Enhancements - Add aliases for build backend requests ([#​9294](astral-sh/uv#9294)) - Avoid displaying empty paths ([#​9312](astral-sh/uv#9312)) - Allow constraints in `uv tool upgrade` ([#​9375](astral-sh/uv#9375)) - Remove conflict between `--no-sync` and `--frozen` in `uv run` ([#​9400](astral-sh/uv#9400)) - Respect dependency sources in overrides and constraints ([#​9455](astral-sh/uv#9455)) - Show an interpreter-focused message for `--target` and `--prefix` ([#​9373](astral-sh/uv#9373)) - Add `--no-extra` flag and setting ([#​9387](astral-sh/uv#9387)) - Add `uv export --prune` ([#​9389](astral-sh/uv#9389)) - Add dedicated error message for musl install attempts ([#​9430](astral-sh/uv#9430)) - Add various grammar changes to conflict error messages ([#​9369](astral-sh/uv#9369)) - Annotate default groups in conflict error messages ([#​9368](astral-sh/uv#9368)) - Report marker diagnostics during parsing, rather than evaluation ([#​9338](astral-sh/uv#9338)) - Use consistent formatting for build system errors ([#​9340](astral-sh/uv#9340)) - Use rich diagnostics for build failures ([#​9335](astral-sh/uv#9335)) ##### Preview features - Improve build backend excludes ([#​9281](astral-sh/uv#9281)) - Include PEP 639 `license-files` metadata during `uv publish` ([#​9442](astral-sh/uv#9442)) ##### Performance - Initialize rayon lazily ([#​9435](astral-sh/uv#9435)) - Migrate to PubGrub's arena for package names ([#​9448](astral-sh/uv#9448)) ##### Bug fixes - Allow dependency groups to include the containing package ([#​9385](astral-sh/uv#9385)) - Allow syncing to empty virtual environment directories ([#​9427](astral-sh/uv#9427)) - Allow system Python discovery with `--target` and `--prefix` ([#​9371](astral-sh/uv#9371)) - Don't warn when `--output-file` is empty ([#​9417](astral-sh/uv#9417)) - Fix Python interpreter discovery on non-glibc hosts ([#​9005](astral-sh/uv#9005)) - Fix `tool.uv.dependency-metadata.[].version` schema ([#​9468](astral-sh/uv#9468)) - Only respect preferences across the same indexes ([#​9302](astral-sh/uv#9302)) - Re-compile when `--compile` is passed to an install operation ([#​9378](astral-sh/uv#9378)) - Remove `--upgrade`, `--no-upgrade`, and `--upgrade-package` from `uv tool upgrade` ([#​9318](astral-sh/uv#9318)) - Remove dev dependencies in `--all-groups --no-dev` ([#​9300](astral-sh/uv#9300)) - Surface extras and group conflicts in `uv export` ([#​9365](astral-sh/uv#9365)) - Treat deprecated aliases as equivalent in marker algebra ([#​9342](astral-sh/uv#9342)) - Treat less compatible tags as lower priority in resolver ([#​9339](astral-sh/uv#9339)) ##### Documentation - Avoid referencing `scikit-build` (instead of `scikit-build-core`) ([#​9320](astral-sh/uv#9320)) - Expand entry points documentation ([#​9329](astral-sh/uv#9329)) - Fix example `pyproject.toml` in project concept documentation ([#​9298](astral-sh/uv#9298)) - Fix header level of "Conflicting dependencies" page ([#​9330](astral-sh/uv#9330)) - Touch-up the extension module guide ([#​9293](astral-sh/uv#9293)) - Update the dependencies documentation ([#​9359](astral-sh/uv#9359)) - Reference `--no-progress` option in related environment variable ([#​9357](astral-sh/uv#9357)) </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 MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40NDAuNyIsInVwZGF0ZWRJblZlciI6IjM3LjQ0MC43IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJSZW5vdmF0ZSBCb3QiXX0=-->
When performing a noop sync, we don't need the rayon threadpool, yet we pay for its initialization:
Be making the initialization lazy, we avoid that cost:
This code runs every time before user code in
uv run
.This means that before calling rayon, one now needs to call
LazyLock::force(&RAYON_INITIALIZE);
.Performance mode (CPU 0 is a perf core):
Power saver mode: