Update Rust crate rayon to v1.12.0 by renovate[bot] · Pull Request #2015 · j178/prek

renovate · 2026-04-27T02:40:25Z

This PR contains the following updates:

Package	Type	Update	Change
rayon	workspace.dependencies	minor	`1.11.0` → `1.12.0`

Release Notes

rayon-rs/rayon (rayon)

`v1.12.0`

Compare Source

Fixed a bug in parallel Range<char> when the end is 0xE000, just past the
surrogate boundary, which was unsafely producing invalid char values.
The new method ParallelSlice::par_array_windows works like par_windows
but with a constant length, producing &[T; N] items.

Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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This PR was generated by Mend Renovate. View the repository job log.

codecov · 2026-04-27T02:52:59Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.24%. Comparing base (50b833d) to head (06e3e94).
⚠️ Report is 10 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2015   +/-   ##
=======================================
  Coverage   92.24%   92.24%           
=======================================
  Files         117      117           
  Lines       23731    23731           
=======================================
  Hits        21891    21891           
  Misses       1840     1840

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prek-ci-bot · 2026-04-27T03:16:28Z

📦 Cargo Bloat Comparison

Binary size change: +0.78% (25.8 MiB → 26.0 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text     Size             Crate Name
 1.2%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_39_1_aes_gcm_encrypt_avx512
 1.2%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_39_1_aes_gcm_decrypt_avx512
 0.3%   0.7%  84.0KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  82.0KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.5%  60.9KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  56.8KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4%  53.3KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  46.8KiB              prek prek::run::{{closure}}
 0.2%   0.3%  41.3KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  33.3KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_39_1_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  28.0KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  27.6KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_39_1_edwards25519_scalarmuldouble
 0.1%   0.2%  26.9KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  26.3KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  22.8KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2%  22.5KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
 0.1%   0.2%  21.5KiB      clap_builder clap_builder::parser::parser::Parser::get_matches_with
41.5%  86.4%  10.8MiB                   And 23782 smaller methods. Use -n N to show more.
48.0% 100.0%  12.5MiB                   .text section size, the file size is 26.0MiB

Base Branch Results

 File  .text     Size             Crate Name
 1.3%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_39_1_aes_gcm_encrypt_avx512
 1.3%   2.6% 332.0KiB        aws_lc_sys aws_lc_0_39_1_aes_gcm_decrypt_avx512
 0.3%   0.7%  84.0KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.7%  82.0KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.5%  60.9KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.2%   0.4%  56.8KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4%  53.3KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  46.8KiB              prek prek::run::{{closure}}
 0.2%   0.3%  41.3KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  33.3KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_39_1_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  28.0KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  27.6KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_39_1_edwards25519_scalarmuldouble
 0.1%   0.2%  26.9KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  26.3KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  22.8KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2%  22.5KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
 0.1%   0.2%  21.5KiB      clap_builder clap_builder::parser::parser::Parser::get_matches_with
41.2%  86.3%  10.6MiB                   And 23720 smaller methods. Use -n N to show more.
47.7% 100.0%  12.3MiB                   .text section size, the file size is 25.8MiB

prek-ci-bot · 2026-04-27T03:16:29Z

⚡️ Hyperfine Benchmarks

Summary: 0 regressions, 1 improvements above the 10% threshold.

Environment

OS: Linux 6.17.0-1010-azure
CPU: 4 cores
prek version: prek 0.3.10+23 (83e26a5 2026-04-27)
Rust version: rustc 1.95.0 (59807616e 2026-04-14)
Hyperfine version: hyperfine 1.20.0

CLI Commands

Benchmarking basic commands in the main repo:

`prek --version`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base --version`	2.6 ± 0.1	2.4	2.9	1.04 ± 0.07
`prek-head --version`	2.5 ± 0.1	2.3	3.2	1.00

`prek list`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base list`	10.4 ± 0.2	9.8	10.8	1.00 ± 0.03
`prek-head list`	10.3 ± 0.2	9.8	10.9	1.00

`prek validate-config .pre-commit-config.yaml`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base validate-config .pre-commit-config.yaml`	3.7 ± 0.1	3.6	3.9	1.02 ± 0.04
`prek-head validate-config .pre-commit-config.yaml`	3.7 ± 0.1	3.4	4.1	1.00

`prek sample-config`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base sample-config`	4.8 ± 12.6	2.8	91.6	1.67 ± 4.36
`prek-head sample-config`	2.9 ± 0.0	2.8	3.0	1.00

✅ Performance improvement for sample-config: 40.1800% faster

Cold vs Warm Runs

Comparing first run (cold) vs subsequent runs (warm cache):

`prek run --all-files (cold - no cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	156.7 ± 3.7	150.1	161.6	1.00 ± 0.03
`prek-head run --all-files`	156.2 ± 3.2	151.6	161.8	1.00

`prek run --all-files (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	156.5 ± 4.3	149.5	163.1	1.02 ± 0.04
`prek-head run --all-files`	153.3 ± 3.5	147.3	157.6	1.00

Full Hook Suite

Running the builtin hook suite on the benchmark workspace:

`prek run --all-files (full builtin hook suite)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	151.9 ± 4.1	145.7	160.2	1.00
`prek-head run --all-files`	155.1 ± 8.0	143.2	195.5	1.02 ± 0.06

Individual Hook Performance

Benchmarking each hook individually on the test repo:

`prek run trailing-whitespace --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run trailing-whitespace --all-files`	22.3 ± 0.6	21.3	23.7	1.02 ± 0.03
`prek-head run trailing-whitespace --all-files`	21.9 ± 0.5	21.1	23.1	1.00

`prek run end-of-file-fixer --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run end-of-file-fixer --all-files`	28.8 ± 2.6	24.4	34.5	1.01 ± 0.12
`prek-head run end-of-file-fixer --all-files`	28.5 ± 2.3	25.5	35.6	1.00

`prek run check-json --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-json --all-files`	13.3 ± 0.9	12.2	16.7	1.05 ± 0.09
`prek-head run check-json --all-files`	12.6 ± 0.7	12.0	16.2	1.00

`prek run check-yaml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-yaml --all-files`	12.4 ± 0.6	11.8	14.9	1.04 ± 0.06
`prek-head run check-yaml --all-files`	11.9 ± 0.4	11.4	12.8	1.00

`prek run check-toml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-toml --all-files`	11.9 ± 0.2	11.4	12.5	1.00
`prek-head run check-toml --all-files`	12.2 ± 0.3	11.7	12.8	1.03 ± 0.03

`prek run check-xml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-xml --all-files`	12.3 ± 0.3	11.8	13.0	1.00
`prek-head run check-xml --all-files`	12.6 ± 0.3	11.9	13.2	1.02 ± 0.04

`prek run detect-private-key --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run detect-private-key --all-files`	19.1 ± 1.3	16.9	21.8	1.00 ± 0.10
`prek-head run detect-private-key --all-files`	19.0 ± 1.3	16.9	21.4	1.00

`prek run fix-byte-order-marker --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run fix-byte-order-marker --all-files`	24.1 ± 2.1	21.0	27.6	1.03 ± 0.12
`prek-head run fix-byte-order-marker --all-files`	23.4 ± 1.8	20.6	26.5	1.00

Installation Performance

Benchmarking hook installation (fast path hooks skip Python setup):

`prek install-hooks (cold - no cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	5.2 ± 0.2	5.0	5.4	1.04 ± 0.04
`prek-head install-hooks`	5.0 ± 0.1	4.9	5.1	1.00

`prek install-hooks (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	5.0 ± 0.1	4.8	5.1	1.00
`prek-head install-hooks`	5.0 ± 0.1	4.9	5.1	1.00 ± 0.03

File Filtering/Scoping Performance

Testing different file selection modes:

`prek run (staged files only)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run`	52.2 ± 0.9	50.9	53.7	1.00
`prek-head run`	53.0 ± 1.1	51.3	55.0	1.01 ± 0.03

`prek run --files '*.json' (specific file type)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --files '*.json'`	9.7 ± 0.3	9.3	10.4	1.02 ± 0.03
`prek-head run --files '*.json'`	9.5 ± 0.2	9.2	9.9	1.00

Workspace Discovery & Initialization

Benchmarking hook discovery and initialization overhead:

`prek run --dry-run --all-files (measures init overhead)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --dry-run --all-files`	14.2 ± 0.2	13.7	14.9	1.00
`prek-head run --dry-run --all-files`	14.4 ± 0.2	14.0	14.9	1.01 ± 0.02

Meta Hooks Performance

Benchmarking meta hooks separately:

`prek run check-hooks-apply --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-hooks-apply --all-files`	13.3 ± 0.2	13.0	13.7	1.02 ± 0.02
`prek-head run check-hooks-apply --all-files`	13.1 ± 0.1	13.0	13.3	1.00

`prek run check-useless-excludes --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-useless-excludes --all-files`	13.1 ± 0.2	12.9	13.4	1.00
`prek-head run check-useless-excludes --all-files`	13.2 ± 0.2	12.9	13.5	1.01 ± 0.02

`prek run identity --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run identity --all-files`	12.1 ± 1.3	11.5	16.5	1.06 ± 0.12
`prek-head run identity --all-files`	11.5 ± 0.1	11.2	11.7	1.00

Update Rust crate rayon to v1.12.0

06e3e94

renovate Bot added the internal Internal changes label Apr 27, 2026

renovate Bot requested a review from j178 as a code owner April 27, 2026 02:40

j178 merged commit adf72c6 into master Apr 27, 2026
35 checks passed

j178 deleted the renovate/rayon-1.x-lockfile branch April 27, 2026 03:34

Conversation

renovate Bot commented Apr 27, 2026

Release Notes

v1.12.0

Configuration

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Codecov Report

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prek-ci-bot Bot commented Apr 27, 2026

📦 Cargo Bloat Comparison

Head Branch Results

Base Branch Results

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prek-ci-bot Bot commented Apr 27, 2026

⚡️ Hyperfine Benchmarks

prek --version

prek list

prek validate-config .pre-commit-config.yaml

prek sample-config

prek run --all-files (cold - no cache)

prek run --all-files (warm - with cache)

prek run --all-files (full builtin hook suite)

prek run trailing-whitespace --all-files

prek run end-of-file-fixer --all-files

prek run check-json --all-files

prek run check-yaml --all-files

prek run check-toml --all-files

prek run check-xml --all-files

prek run detect-private-key --all-files

prek run fix-byte-order-marker --all-files

prek install-hooks (cold - no cache)

prek install-hooks (warm - with cache)

prek run (staged files only)

prek run --files '*.json' (specific file type)

prek run --dry-run --all-files (measures init overhead)

prek run check-hooks-apply --all-files

prek run check-useless-excludes --all-files

prek run identity --all-files

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`v1.12.0`

codecov Bot commented Apr 27, 2026 •

edited

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`prek --version`

`prek list`

`prek validate-config .pre-commit-config.yaml`

`prek sample-config`

`prek run --all-files (cold - no cache)`

`prek run --all-files (warm - with cache)`

`prek run --all-files (full builtin hook suite)`

`prek run trailing-whitespace --all-files`

`prek run end-of-file-fixer --all-files`

`prek run check-json --all-files`

`prek run check-yaml --all-files`

`prek run check-toml --all-files`

`prek run check-xml --all-files`

`prek run detect-private-key --all-files`

`prek run fix-byte-order-marker --all-files`

`prek install-hooks (cold - no cache)`

`prek install-hooks (warm - with cache)`

`prek run (staged files only)`

`prek run --files '*.json' (specific file type)`

`prek run --dry-run --all-files (measures init overhead)`

`prek run check-hooks-apply --all-files`

`prek run check-useless-excludes --all-files`

`prek run identity --all-files`