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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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Henrik Böving b2336fd980
perf: speed up bv_decide reflection using Lean.RArray (#6288) 
This PR uses Lean.RArray in bv_decide's reflection proofs. Giving
speedups on problems with lots of variables.

Implement like #6068, speedup:
```
# before
λ hyperfine "lean +nightly-2024-12-02 tests/lean/run/bv_reflection_stress.lean"
Benchmark 1: lean +nightly-2024-12-02 tests/lean/run/bv_reflection_stress.lean
  Time (mean ± σ):      1.939 s ±  0.007 s    [User: 1.549 s, System: 0.104 s]
  Range (min … max):    1.928 s …  1.947 s    10 runs
# after
λ hyperfine "lean tests/lean/run/bv_reflection_stress.lean"                                                                                                                                                                                                                        
Benchmark 1: lean tests/lean/run/bv_reflection_stress.lean
  Time (mean ± σ):      1.409 s ±  0.006 s    [User: 1.058 s, System: 0.073 s]
  Range (min … max):    1.401 s …  1.419 s    10 runs
```
2024-12-02 17:44:58 +00:00
.github chore: CI: bump dawidd6/action-download-artifact from 6 to 7 (#6274) 2024-12-02 16:09:50 +00:00
doc chore: default parseQuotWithCurrentStage to true in stage 0 (#6212) 2024-11-27 12:58:44 +00:00
images
nix feat: add date and time functionality (#4904) 2024-11-14 14:04:19 +00:00
releases_drafts chore: release notes for 4.12.0 (#5549) 2024-10-01 04:07:28 +00:00
script chore: script/mathlib-bench (#6280) 2024-12-02 10:00:57 +00:00
src perf: speed up bv_decide reflection using Lean.RArray (#6288) 2024-12-02 17:44:58 +00:00
stage0 chore: update stage0 2024-11-30 21:22:30 +00:00
tests perf: bv_decide uses rfl in reflection if possible (#6286) 2024-12-02 14:27:49 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore feat: support Lake for building Lean core oleans (#3886) 2024-06-13 16:18:24 +00:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt feat: import LeanSAT's tactic frontends 2024-08-28 18:14:39 +02:00
CMakePresets.json chore: modernize build instructions (#4032) 2024-05-23 10:55:07 +00:00
CODEOWNERS chore: @hargoniX Std.Sat codeowner, fix Kim's user name (#5765) 2024-10-18 11:13:28 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
flake.nix chore: CI: build 64-bit platforms consistently with GMP 2024-11-01 22:48:49 +11:00
lean-toolchain doc: VS Code dev setup (#2961) 2023-11-30 08:35:03 +00:00
lean.code-workspace chore: add the lean4 extension to the vscode workspace (#3059) 2023-12-14 08:58:21 +00:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
README.md doc: mention build doc source location (#4045) 2024-05-01 22:42:54 +00:00
RELEASES.md chore: begin development cycle for v4.16.0 (#6277) 2024-12-02 04:11:10 +00:00

README.md

This is the repository for Lean 4.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean (documentation source: doc/make/index.md).