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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 e60078db3b
test: harden sym mvcgen bench script and tune benchmark sizes (#13107) 
This PR fixes the sym mvcgen benchmark script and tunes input sizes.

**run_bench.sh**: Replace `| tee` with the `capture` helper from
`util.sh`.
Without `pipefail`, piping through `tee` masks non-zero exit codes from
`lake build`, so build failures (OOM, stack overflow) go unnoticed.

**Benchmark sizes**: Scale down inputs for benchmarks that exceeded the
2s
budget so each benchmark completes in 1-2s across its 3 linearly
increasing
inputs.

**Metric collision**: Copy `GetThrowSet.Goal` into a `GetThrowSetGrind`
namespace so the grind variant reports as `GetThrowSetGrind(n)` instead
of
colliding with `GetThrowSet(n)` in `measurements.jsonl`.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-24 21:14:36 +00:00
.claude chore: speed up test suite slightly (#12969) 2026-03-20 12:24:32 +00:00
.github chore: use Lake remote cache in CI (#10880) 2026-03-24 00:06:19 +00:00
.vscode chore: replace workspace file with .vscode/ settings (#12770) 2026-03-04 01:10:04 +00:00
doc feat: unfold and rewrap instances in inferInstanceAs and deriving 2026-03-22 13:25:46 +01:00
images
releases_drafts chore: remove stale release draft notes (#12518) 2026-02-17 19:56:23 +00:00
script fix: handle lean4-nightly toolchain prefix in release checklist (#12865) 2026-03-23 03:01:58 +00:00
src fix: lake: race condition in Cache.saveArtifact (#13110) 2026-03-24 19:05:56 +00:00
stage0 chore: update stage0 2026-03-24 14:42:18 +00:00
tests test: harden sym mvcgen bench script and tune benchmark sizes (#13107) 2026-03-24 21:14:36 +00:00
.gitattributes chore: migrate more tests to new test suite (#12809) 2026-03-06 16:52:01 +00:00
.gitignore chore: replace workspace file with .vscode/ settings (#12770) 2026-03-04 01:10:04 +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 chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt chore: make leantar available in stage0 (#12992) 2026-03-19 20:43:43 +00:00
CMakePresets.json chore: fix ci for new test suite (#12704) 2026-02-27 23:25:37 +00:00
CODEOWNERS chore: make @hargoniX code owner of the compiler (#10732) 2025-10-10 04:43:38 +00:00
CONTRIBUTING.md chore: migrate pkg tests (#12889) 2026-03-11 18:55:46 +00:00
flake.lock chore: update to c++20 (#12117) 2026-02-11 01:17:40 +00:00
flake.nix chore: add aarch64-darwin to flake (#12915) 2026-03-18 15:55:34 +00:00
lean-toolchain chore: relative lean-toolchains (#12652) 2026-02-25 10:23:35 +00:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES feat: bundle leantar with Lean (#12822) 2026-03-09 20:10:59 +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.