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Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Sebastian Graf b44c7e161c
test: add two benchmarks for mvcgen in the style of SymM (#12163) 
This PR adds two benchmarks for mvcgen in the style of Leo's SymM
benchmarks.

While performance on add_sub_cancel_StateM.lean is in the same order of
magnitude as the corresponding MetaM benchmark, add_if_sub_StateM.lean
is far slower.

Measurements for add_sub_cancel:
```
goal_10:   245.576221 ms, kernel: 134.134182 ms
goal_20:   613.945320 ms, kernel: 115.453811 ms
goal_30:  1074.053596 ms, kernel: 179.076070 ms
goal_40:  1680.678302 ms, kernel: 252.066677 ms
goal_50:  2457.209584 ms, kernel: 293.974096 ms
goal_60:  3271.773330 ms, kernel: 368.394386 ms
goal_70:  3981.247921 ms, kernel: 434.297822 ms
goal_80:  5077.300540 ms, kernel: 507.047772 ms
goal_90:  6486.990060 ms, kernel: 556.952095 ms
goal_100: 7791.399986 ms, kernel: 623.605163 ms
```

Measurements for add_if_sub:

```
goal_2: 89.762349 ms, kernel: 43.320205 ms
goal_3: 190.655546 ms, kernel: 38.888499 ms
goal_4: 434.461936 ms, kernel: 75.234581 ms
goal_5: 1110.295284 ms, kernel: 161.698707 ms
goal_6: 3241.383031 ms, kernel: 326.137173 ms
goal_7: 11675.609970 ms, kernel: 684.907188 ms
```

Much room for improvement.
2026-01-26 13:17:47 +00:00
.claude doc: document release notes process and add guard check (#12158) 2026-01-26 07:16:01 +00:00
.github fix: CI CMakeLists.txt version check extracts wrong value (#12131) 2026-01-24 00:34:31 +00:00
doc doc: document release notes process and add guard check (#12158) 2026-01-26 07:16:01 +00:00
images
releases_drafts chore: add release draft for the module system (#11359) 2025-11-26 15:01:07 +00:00
script doc: document release notes process and add guard check (#12158) 2026-01-26 07:16:01 +00:00
src feat: add Option.of_wp_eq and Except.of_wp_eq (#12161) 2026-01-26 12:50:23 +00:00
stage0 chore: update stage0 2026-01-26 12:17:07 +00:00
tests test: add two benchmarks for mvcgen in the style of SymM (#12163) 2026-01-26 13:17:47 +00:00
.gitattributes doc: grove: update and add String data (#11551) 2025-12-08 16:49:37 +00:00
.gitignore chore: add .vscode/settings.json to .gitignore (#10795) 2025-10-16 07:08:41 +00:00
.gitpod.Dockerfile chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.gitpod.yml chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.ignore
CMakeLists.txt fix: cadical dynamic dependencies (#11475) 2025-12-02 13:54:26 +00:00
CMakePresets.json chore: CI: enable leak sanitizer again (#11339) 2025-11-27 18:32:35 +00:00
CODEOWNERS chore: make @hargoniX code owner of the compiler (#10732) 2025-10-10 04:43:38 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
flake.nix chore: use lld if available for building core (#10694) 2025-10-08 16:47:30 +00:00
lean-toolchain
lean.code-workspace chore: lean.code-workspace: fix terminal cwd (#10802) 2025-10-16 20:19:12 +00:00
LICENSE
LICENSES feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
README.md doc: update URLs that are currently pointing to redirects (#10397) 2025-09-17 15:50:07 +00:00
RELEASES.md chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00

README.md

This is the repository for Lean 4.

About

Installation

See Install Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.