Read cache entries into exact-sized buffers by charliermarsh · Pull Request #20120 · astral-sh/uv

charliermarsh · 2026-07-05T00:19:38Z

Summary

Warm cache hits currently read into an empty AlignedVec via extend_from_reader. This PR instead reads file-backed cache entries at their known size instead.

Performance

Project	Wall-time change	Bootstrap 95% CI
Black	11.32% faster	7.57–14.77% faster
GitHub Wikidata Bot	12.14% faster	9.21–17.87% faster
Home Assistant	11.40% faster	3.41–14.91% faster
Packse	8.51% faster	0.43–13.41% faster
Saleor	5.68% faster	0.06% slower–9.00% faster
Transformers	8.92% faster	5.96–11.85% faster
Warehouse	10.89% faster	7.60–13.02% faster
All pairs	9.69% faster	8.00–11.38% faster

Across all pairs, the reported resolve phase improved by 20.38%, system CPU by 29.24%, and peak RSS by 24.39%.

The existing uv-client suite, Rust formatting, and strict uv-client Clippy checks pass.

astral-sh-bot · 2026-07-05T00:40:25Z

uv test inventory changes

This PR no longer changes the tests when compared with the latest main baseline.

codspeed-hq · 2026-07-05T00:40:59Z

Merging this PR will improve performance by 34.41%

⚡ 2 improved benchmarks
✅ 19 untouched benchmarks

Performance Changes

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
⚡	Simulation	`resolve_warm_jupyter`	72.5 ms	47.2 ms	+53.45%
⚡	Simulation	`resolve_warm_jupyter_universal`	184.4 ms	156.6 ms	+17.73%

Tip

Curious why this is faster? Use the CodSpeed MCP and ask your agent.

_{Comparing charlie/codex-cache-exact-read (4858570) with main (5cb184f)}

This MR contains the following updates: | Package | Update | Change | |---|---|---| | [uv](https://github.com/astral-sh/uv) | patch | `0.11.21` → `0.11.28` | 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 (uv)</summary> ### [`v0.11.28`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01128) [Compare Source](astral-sh/uv@0.11.27...0.11.28) Released on 2026-07-07. ##### Security This release updates our ZIP library, [astral-async-zip](https://github.com/astral-sh/rs-async-zip), to v0.0.20, which includes 15 changes that harden our ZIP handling against [parser differentials](https://www.brainonfire.net/blog/2022/04/11/what-is-parser-mismatch/). uv may reject ZIP archives with malformed or ambiguous content that were previously accepted. See the [upstream commits](astral-sh/rs-async-zip@v0.0.18...v0.0.20) for a full list of changes. ##### Python - Upgrade GraalPy to 25.1.3 ([#20069](astral-sh/uv#20069)) ##### Enhancements - Improve trace logs for unexpected error chains ([#20220](astral-sh/uv#20220)) - Move lockfile update guidance to a hint ([#20219](astral-sh/uv#20219)) - Preserve indentation for multiline error causes ([#20156](astral-sh/uv#20156)) - Render user errors with their cause chains ([#20217](astral-sh/uv#20217)) - Route final command errors through the printer to respect `-q` and `-qq` ([#20163](astral-sh/uv#20163)) - Use standard rendering for `uv build` errors ([#20159](astral-sh/uv#20159)) - Use standard rendering for tool requirement errors ([#20160](astral-sh/uv#20160)) ##### Performance - Only compile bytecode for installed distributions in `uv pip install` ([#19914](astral-sh/uv#19914)) - Avoid allocating URL-safe Git revisions ([#20194](astral-sh/uv#20194)) - Avoid allocating canonical Python request strings ([#20193](astral-sh/uv#20193)) - Avoid allocating custom Astral mirror URLs ([#20204](astral-sh/uv#20204)) - Avoid allocating expanded compatibility tags ([#20190](astral-sh/uv#20190)) - Avoid allocating shell strings that need no escaping ([#20196](astral-sh/uv#20196)) - Avoid allocating static ABI descriptions ([#20201](astral-sh/uv#20201)) - Avoid allocating static Windows executable names ([#20200](astral-sh/uv#20200)) - Avoid allocating static dependency table names ([#20199](astral-sh/uv#20199)) - Avoid allocating static platform triple components ([#20195](astral-sh/uv#20195)) - Avoid allocating static resolver report labels ([#20198](astral-sh/uv#20198)) - Avoid allocating static unavailable-version messages ([#20197](astral-sh/uv#20197)) - Avoid allocating unchanged Python download architectures ([#20202](astral-sh/uv#20202)) - Avoid allocating unchanged paths during case normalization ([#20203](astral-sh/uv#20203)) - Avoid allocations when expanding group conflicts ([#20211](astral-sh/uv#20211)) - Avoid allocations when formatting requirements ([#20206](astral-sh/uv#20206)) - Avoid cloning credential lookup services ([#20210](astral-sh/uv#20210)) - Avoid cloning dry-run distributions ([#20209](astral-sh/uv#20209)) - Avoid cloning owned dependency metadata ([#20212](astral-sh/uv#20212)) - Avoid redundant direct URL clones ([#20207](astral-sh/uv#20207)) - Create metadata version errors lazily ([#20205](astral-sh/uv#20205)) - Optimize expanded tag compatibility checks ([#20171](astral-sh/uv#20171)) - Optimize parsing of single-digit three-part versions ([#20118](astral-sh/uv#20118)) ##### Bug fixes - Avoid overflow when computing HTTP cache age ([#20178](astral-sh/uv#20178)) - Respect `--upgrade` when `upgrade-package` is configured ([#19955](astral-sh/uv#19955)) - Support `uv tree` in dependency-group-only projects ([#20167](astral-sh/uv#20167)) - Treat cache entries as stale at exact expiration ([#20183](astral-sh/uv#20183)) ### [`v0.11.27`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01127) [Compare Source](astral-sh/uv@0.11.26...0.11.27) Released on 2026-07-06. ##### Enhancements - Continue on ignored errors when fetching wheel metadata ([#12255](astral-sh/uv#12255)) - Use caching for `--python-downloads-json-url` ([#16749](astral-sh/uv#16749)) ##### Preview features - Discover extensionless shebang scripts in `uv workspace list --scripts` ([#20099](astral-sh/uv#20099)) ##### Performance - Avoid full site-packages scans for direct reinstalls ([#20119](astral-sh/uv#20119)) - Avoid redundant pyproject parsing ([#20076](astral-sh/uv#20076)) - Cache default dependency markers when reading locks ([#20125](astral-sh/uv#20125)) - Enable SIMD-accelerated TOML parsing ([#20079](astral-sh/uv#20079)) - Intern `requires-python` specifiers in Simple API parsing ([#20104](astral-sh/uv#20104)) - Read cache entries into exact-sized buffers ([#20120](astral-sh/uv#20120)) - Reduce VersionSpecifiers parsing allocations ([#20105](astral-sh/uv#20105)) - Reduce site-packages scan allocation overhead ([#20087](astral-sh/uv#20087)) - Reuse package names when parsing wheel filenames ([#20110](astral-sh/uv#20110)) - Sort Simple API files after grouping ([#20112](astral-sh/uv#20112)) ##### Bug fixes - Always emit `packages` table for pylock.toml ([#20145](astral-sh/uv#20145)) - Avoid blank line for empty `uv pip tree` ([#20062](astral-sh/uv#20062)) - Encode hashes in file paths ([#19807](astral-sh/uv#19807)) - Error on a registry uv.lock package without a version instead of panicking ([#19855](astral-sh/uv#19855)) - Preserve conditional extra markers in exports ([#20148](astral-sh/uv#20148)) - Skip the ambiguous authority check for file transport VCS URLs ([#20086](astral-sh/uv#20086)) - Sync index format when `uv add --index` updates an existing index URL ([#19818](astral-sh/uv#19818)) ##### Other changes - Re-add `pub` APIs used in Pixi ([#20074](astral-sh/uv#20074)) - Update Rust toolchain to 1.96.1 ([#20103](astral-sh/uv#20103)) ### [`v0.11.26`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01126) [Compare Source](astral-sh/uv@0.11.25...0.11.26) Released on 2026-06-30. ##### Performance - Adapt uv to IDs-only PubGrub dependencies ([#20048](astral-sh/uv#20048)) - Avoid allocations in `ForkMap::contains` ([#20023](astral-sh/uv#20023)) - Reuse resolver work across PubGrub iterations ([#20020](astral-sh/uv#20020)) - Speed up candidate selection for disjoint ranges ([#20026](astral-sh/uv#20026)) ##### Bug fixes - Warn when the build cache is inside the source directory ([#20056](astral-sh/uv#20056)) ### [`v0.11.25`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01125) [Compare Source](astral-sh/uv@0.11.24...0.11.25) Released on 2026-06-26. ##### Security This release updates our tar library, [astral-tokio-tar](https://github.com/astral-sh/tokio-tar), to v0.6.3, which includes over 20 changes that harden our tar handling against [parser differentials](https://www.brainonfire.net/blog/2022/04/11/what-is-parser-mismatch/). uv may reject source distributions with malformed or ambiguous content that were previously accepted. See the [upstream commits](astral-sh/tokio-tar@v0.6.2...v0.6.3) for a full list of changes. ##### Enhancements - Add a full "lockfile" to tool receipts ([#18937](astral-sh/uv#18937)) - Allow scoped overrides to add dependencies ([#19974](astral-sh/uv#19974)) - Avoid writing redundant lockfile markers with `tool.uv.environments` ([#19933](astral-sh/uv#19933)) - Factor supported environments out of lockfile markers ([#19969](astral-sh/uv#19969)) - Recommend our own build backend in the build frontend ([#19994](astral-sh/uv#19994)) - Reject wheels with multiple .dist-info directories ([#19986](astral-sh/uv#19986)) - Simplify dependency markers under parent reachability ([#19971](astral-sh/uv#19971)) - Support scoped dependency exclusions ([#19977](astral-sh/uv#19977)) - Support scoped dependency overrides ([#19970](astral-sh/uv#19970)) - Explain why files are skipped in registry index parsing ([#19983](astral-sh/uv#19983)) ##### Preview features - Add `uv workspace list --scripts` ([#20009](astral-sh/uv#20009)) - Support centralised environments in `uv venv` ([#19912](astral-sh/uv#19912)) - Use locked ty versions in `uv check` ([#19884](astral-sh/uv#19884)) - Add centralized storage of project environments ([#18214](astral-sh/uv#18214)) - Verify lockfile hashes before reusing a cached ty in `uv check` ([#19995](astral-sh/uv#19995)) - Use locked dependency selection for `uv check --script` ([#19989](astral-sh/uv#19989)) ##### Bug fixes - Preserve standalone markers in workspace metadata ([#20011](astral-sh/uv#20011)) - Reject `uv build` if the cache dir is enclosed ([#19991](astral-sh/uv#19991)) ### [`v0.11.24`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01124) [Compare Source](astral-sh/uv@0.11.23...0.11.24) Released on 2026-06-23. ##### Python - Add CPython 3.15.0b3 ([#19964](astral-sh/uv#19964)) ##### Preview features - Make project environments relocatable under preview ([#19965](astral-sh/uv#19965)) ##### Performance - Use a compact index for lazy version maps ([#19959](astral-sh/uv#19959)) ##### Bug fixes - Allow disabling `exclude-newer` ([#19934](astral-sh/uv#19934)) - Avoid archive id collisions ([#19949](astral-sh/uv#19949)) - Reapply "Fix transparent Python upgrades in project environments" ([#19928](astral-sh/uv#19928)) - Clean up partial tool entrypoint installs ([#19966](astral-sh/uv#19966)) - Fix relocatable `activate.fish` and broaden Fish version support ([#19856](astral-sh/uv#19856)) ### [`v0.11.23`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01123) [Compare Source](astral-sh/uv@0.11.22...0.11.23) Released on 2026-06-19. ##### Bug fixes - Revert "Fix transparent Python upgrades in project environments" to mitigate unintended breakage in `pre-commit-uv` ([#19925](astral-sh/uv#19925)) - Restore old behavior where workspace members "hidden" by an intermediate `pyproject.toml` would be treated as standalone projects ([#19926](astral-sh/uv#19926)) ### [`v0.11.22`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01122) [Compare Source](astral-sh/uv@0.11.21...0.11.22) Released on 2026-06-18. ##### Enhancements - Publish wheels before sdists in `uv publish` ([#19831](astral-sh/uv#19831)) - Add `TY` and `RUFF` env vars for providing paths for binaries used by `uv format` and `uv check` ([#19821](astral-sh/uv#19821)) ##### Preview features - Allow configuring preview features in `uv.toml` and `pyproject.toml` ([#18437](astral-sh/uv#18437)) - Update the lockfile during `uv check --no-sync` ([#19909](astral-sh/uv#19909)) - Add `--script` to `uv check` and `uv metadata` ([#19860](astral-sh/uv#19860)) - Report workspace-exclusive dependency groups in `workspace metadata` ([#19862](astral-sh/uv#19862)) - Support SARIF as a `uv audit` output ([#19872](astral-sh/uv#19872)) ##### Performance - Use a more deadlock-resistant concurrent hashmap in the resolver ([#19532](astral-sh/uv#19532)) ##### Bug fixes - Update string marker ordering semantics to match [upstream clarified rules](pypa/packaging.python.org#1988) ([#19808](astral-sh/uv#19808)) - Reject extras that have the same normalized name ([#19871](astral-sh/uv#19871)) - Reject dependency group `include-group` entries that have additional fields ([#19866](astral-sh/uv#19866)) - Reject invalid UTF-8 URL credentials ([#19814](astral-sh/uv#19814)) - Validate that PEP 517 `backend-path`s exist when building sdists ([#19834](astral-sh/uv#19834)) - Validate that `pylock.toml` files do not have an unsupported a `lock-version` ([#19869](astral-sh/uv#19869)) - Validate that the environment satisfies the `packages.requires-python` of a `pylock.toml` ([#19868](astral-sh/uv#19868)) - Allow `uv` to be recursively invoked by PEP 517 build hooks ([#19879](astral-sh/uv#19879)) - Allow empty `credentials.toml` files ([#19815](astral-sh/uv#19815)) - Fix transparent Python upgrades in project environments ([#19890](astral-sh/uv#19890)) - Handle non-file editable URLs in `uv pip list` ([#19867](astral-sh/uv#19867)) - Fix incorrect output from `uv tree --invert` ([#19910](astral-sh/uv#19910)) - Fix environment locking of `uv venv` in a project ([#19837](astral-sh/uv#19837)) - Fix handling of workspace-exclusive dependency groups in `uv tree` ([#19905](astral-sh/uv#19905)) ##### Documentation - Archive the 0.10.x changelog ([#19813](astral-sh/uv#19813)) ##### Other changes - Mark more tests as requiring network for vendors that need to run tests offline ([#19819](astral-sh/uv#19819)) </details> --- ### Configuration 📅 **Schedule**: (UTC) - 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. --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).

This PR contains the following updates: | Package | Update | Change | |---|---|---| | [uv](https://github.com/astral-sh/uv) | patch | `0.11.24` → `0.11.28` | --- ### Release Notes <details> <summary>astral-sh/uv (uv)</summary> ### [`v0.11.28`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01128) [Compare Source](astral-sh/uv@0.11.27...0.11.28) Released on 2026-07-07. ##### Security This release updates our ZIP library, [astral-async-zip](https://github.com/astral-sh/rs-async-zip), to v0.0.20, which includes 15 changes that harden our ZIP handling against [parser differentials](https://www.brainonfire.net/blog/2022/04/11/what-is-parser-mismatch/). uv may reject ZIP archives with malformed or ambiguous content that were previously accepted. See the [upstream commits](astral-sh/rs-async-zip@v0.0.18...v0.0.20) for a full list of changes. ##### Python - Upgrade GraalPy to 25.1.3 ([#20069](astral-sh/uv#20069)) ##### Enhancements - Improve trace logs for unexpected error chains ([#20220](astral-sh/uv#20220)) - Move lockfile update guidance to a hint ([#20219](astral-sh/uv#20219)) - Preserve indentation for multiline error causes ([#20156](astral-sh/uv#20156)) - Render user errors with their cause chains ([#20217](astral-sh/uv#20217)) - Route final command errors through the printer to respect `-q` and `-qq` ([#20163](astral-sh/uv#20163)) - Use standard rendering for `uv build` errors ([#20159](astral-sh/uv#20159)) - Use standard rendering for tool requirement errors ([#20160](astral-sh/uv#20160)) ##### Performance - Only compile bytecode for installed distributions in `uv pip install` ([#19914](astral-sh/uv#19914)) - Avoid allocating URL-safe Git revisions ([#20194](astral-sh/uv#20194)) - Avoid allocating canonical Python request strings ([#20193](astral-sh/uv#20193)) - Avoid allocating custom Astral mirror URLs ([#20204](astral-sh/uv#20204)) - Avoid allocating expanded compatibility tags ([#20190](astral-sh/uv#20190)) - Avoid allocating shell strings that need no escaping ([#20196](astral-sh/uv#20196)) - Avoid allocating static ABI descriptions ([#20201](astral-sh/uv#20201)) - Avoid allocating static Windows executable names ([#20200](astral-sh/uv#20200)) - Avoid allocating static dependency table names ([#20199](astral-sh/uv#20199)) - Avoid allocating static platform triple components ([#20195](astral-sh/uv#20195)) - Avoid allocating static resolver report labels ([#20198](astral-sh/uv#20198)) - Avoid allocating static unavailable-version messages ([#20197](astral-sh/uv#20197)) - Avoid allocating unchanged Python download architectures ([#20202](astral-sh/uv#20202)) - Avoid allocating unchanged paths during case normalization ([#20203](astral-sh/uv#20203)) - Avoid allocations when expanding group conflicts ([#20211](astral-sh/uv#20211)) - Avoid allocations when formatting requirements ([#20206](astral-sh/uv#20206)) - Avoid cloning credential lookup services ([#20210](astral-sh/uv#20210)) - Avoid cloning dry-run distributions ([#20209](astral-sh/uv#20209)) - Avoid cloning owned dependency metadata ([#20212](astral-sh/uv#20212)) - Avoid redundant direct URL clones ([#20207](astral-sh/uv#20207)) - Create metadata version errors lazily ([#20205](astral-sh/uv#20205)) - Optimize expanded tag compatibility checks ([#20171](astral-sh/uv#20171)) - Optimize parsing of single-digit three-part versions ([#20118](astral-sh/uv#20118)) ##### Bug fixes - Avoid overflow when computing HTTP cache age ([#20178](astral-sh/uv#20178)) - Respect `--upgrade` when `upgrade-package` is configured ([#19955](astral-sh/uv#19955)) - Support `uv tree` in dependency-group-only projects ([#20167](astral-sh/uv#20167)) - Treat cache entries as stale at exact expiration ([#20183](astral-sh/uv#20183)) ### [`v0.11.27`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01127) [Compare Source](astral-sh/uv@0.11.26...0.11.27) Released on 2026-07-06. ##### Enhancements - Continue on ignored errors when fetching wheel metadata ([#12255](astral-sh/uv#12255)) - Use caching for `--python-downloads-json-url` ([#16749](astral-sh/uv#16749)) ##### Preview features - Discover extensionless shebang scripts in `uv workspace list --scripts` ([#20099](astral-sh/uv#20099)) ##### Performance - Avoid full site-packages scans for direct reinstalls ([#20119](astral-sh/uv#20119)) - Avoid redundant pyproject parsing ([#20076](astral-sh/uv#20076)) - Cache default dependency markers when reading locks ([#20125](astral-sh/uv#20125)) - Enable SIMD-accelerated TOML parsing ([#20079](astral-sh/uv#20079)) - Intern `requires-python` specifiers in Simple API parsing ([#20104](astral-sh/uv#20104)) - Read cache entries into exact-sized buffers ([#20120](astral-sh/uv#20120)) - Reduce VersionSpecifiers parsing allocations ([#20105](astral-sh/uv#20105)) - Reduce site-packages scan allocation overhead ([#20087](astral-sh/uv#20087)) - Reuse package names when parsing wheel filenames ([#20110](astral-sh/uv#20110)) - Sort Simple API files after grouping ([#20112](astral-sh/uv#20112)) ##### Bug fixes - Always emit `packages` table for pylock.toml ([#20145](astral-sh/uv#20145)) - Avoid blank line for empty `uv pip tree` ([#20062](astral-sh/uv#20062)) - Encode hashes in file paths ([#19807](astral-sh/uv#19807)) - Error on a registry uv.lock package without a version instead of panicking ([#19855](astral-sh/uv#19855)) - Preserve conditional extra markers in exports ([#20148](astral-sh/uv#20148)) - Skip the ambiguous authority check for file transport VCS URLs ([#20086](astral-sh/uv#20086)) - Sync index format when `uv add --index` updates an existing index URL ([#19818](astral-sh/uv#19818)) ##### Other changes - Re-add `pub` APIs used in Pixi ([#20074](astral-sh/uv#20074)) - Update Rust toolchain to 1.96.1 ([#20103](astral-sh/uv#20103)) ### [`v0.11.26`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01126) [Compare Source](astral-sh/uv@0.11.25...0.11.26) Released on 2026-06-30. ##### Performance - Adapt uv to IDs-only PubGrub dependencies ([#20048](astral-sh/uv#20048)) - Avoid allocations in `ForkMap::contains` ([#20023](astral-sh/uv#20023)) - Reuse resolver work across PubGrub iterations ([#20020](astral-sh/uv#20020)) - Speed up candidate selection for disjoint ranges ([#20026](astral-sh/uv#20026)) ##### Bug fixes - Warn when the build cache is inside the source directory ([#20056](astral-sh/uv#20056)) ### [`v0.11.25`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#01125) [Compare Source](astral-sh/uv@0.11.24...0.11.25) Released on 2026-06-26. ##### Security This release updates our tar library, [astral-tokio-tar](https://github.com/astral-sh/tokio-tar), to v0.6.3, which includes over 20 changes that harden our tar handling against [parser differentials](https://www.brainonfire.net/blog/2022/04/11/what-is-parser-mismatch/). uv may reject source distributions with malformed or ambiguous content that were previously accepted. See the [upstream commits](astral-sh/tokio-tar@v0.6.2...v0.6.3) for a full list of changes. ##### Enhancements - Add a full "lockfile" to tool receipts ([#18937](astral-sh/uv#18937)) - Allow scoped overrides to add dependencies ([#19974](astral-sh/uv#19974)) - Avoid writing redundant lockfile markers with `tool.uv.environments` ([#19933](astral-sh/uv#19933)) - Factor supported environments out of lockfile markers ([#19969](astral-sh/uv#19969)) - Recommend our own build backend in the build frontend ([#19994](astral-sh/uv#19994)) - Reject wheels with multiple .dist-info directories ([#19986](astral-sh/uv#19986)) - Simplify dependency markers under parent reachability ([#19971](astral-sh/uv#19971)) - Support scoped dependency exclusions ([#19977](astral-sh/uv#19977)) - Support scoped dependency overrides ([#19970](astral-sh/uv#19970)) - Explain why files are skipped in registry index parsing ([#19983](astral-sh/uv#19983)) ##### Preview features - Add `uv workspace list --scripts` ([#20009](astral-sh/uv#20009)) - Support centralised environments in `uv venv` ([#19912](astral-sh/uv#19912)) - Use locked ty versions in `uv check` ([#19884](astral-sh/uv#19884)) - Add centralized storage of project environments ([#18214](astral-sh/uv#18214)) - Verify lockfile hashes before reusing a cached ty in `uv check` ([#19995](astral-sh/uv#19995)) - Use locked dependency selection for `uv check --script` ([#19989](astral-sh/uv#19989)) ##### Bug fixes - Preserve standalone markers in workspace metadata ([#20011](astral-sh/uv#20011)) - Reject `uv build` if the cache dir is enclosed ([#19991](astral-sh/uv#19991)) </details> --- ### Configuration 📅 **Schedule**: (in timezone Europe/London) - 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 this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).  Reviewed-on: https://forgejo.hayden.moe/hayden/phoebe/pulls/203

charliermarsh added the performance label Jul 5, 2026

Read cache entries into exact-sized buffers

4858570

charliermarsh force-pushed the charlie/codex-cache-exact-read branch from d695ef7 to 4858570 Compare July 5, 2026 01:44

charliermarsh changed the title ~~[codex] Read cache entries into exact-sized buffers~~ Read cache entries into exact-sized buffers Jul 5, 2026

charliermarsh marked this pull request as ready for review July 5, 2026 11:36

charliermarsh merged commit 270d50f into main Jul 5, 2026
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charliermarsh deleted the charlie/codex-cache-exact-read branch July 5, 2026 11:36

BrewTestBot mentioned this pull request Jul 6, 2026

uv 0.11.27 Homebrew/homebrew-core#291631

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Read cache entries into exact-sized buffers#20120

Read cache entries into exact-sized buffers#20120
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Performance

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astral-sh-bot Bot commented Jul 5, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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uv test inventory changes

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codspeed-hq Bot commented Jul 5, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Merging this PR will improve performance by 34.41%

Performance Changes

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1 participant

charliermarsh commented Jul 5, 2026 •

edited

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astral-sh-bot Bot commented Jul 5, 2026 •

edited

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codspeed-hq Bot commented Jul 5, 2026 •

edited

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