[Merged by Bors] - perf(LinearAlgebra/RootSystem/GeckConstruction/Relations): get rid of some aesop

[GrigorenkoPV]

---

On my machine this gets it down from 19s to 13s

[github-actions]

Welcome new contributor!

Thank you for contributing to Mathlib! If you haven't done so already, please review our contribution guidelines, as well as the style guide and naming conventions.

We use a review queue to manage reviews. If your PR does not appear there, it is probably because it is not successfully building (i.e., it doesn't have a green checkmark), has the awaiting-author tag, or another reason described in the Lifecycle of a PR.

If you haven't already done so, please come to https://leanprover.zulipchat.com/, introduce yourself, and mention your new PR.

Thank you again for joining our community.

[github-actions]

PR summary 2a33a10667

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for scripts/declarations_diff.sh contains some details about this script.

---

No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[vihdzp]

!bench

[leanprover-radar]

Benchmark results for 1256e50 against 2a33a10 are in! @vihdzp

• 🟥 build//instructions: +35.5G (+0.02%)

Medium changes (1✅)

• ✅ build/module/Mathlib.LinearAlgebra.RootSystem.GeckConstruction.Relations//instructions: -9.0G (-9.26%)

Small changes (1✅, 1🟥)

• 🟥 build/module/Mathlib.Data.Multiset.Fold//instructions: +541.7M (+8.43%)
• ✅ build/module/Mathlib.Lean.Name//instructions: -241.6M (-7.12%)

[vihdzp]

Thanks! These all seem like unambiguous improvements in both performance and style.

[vihdzp]

I'm quite surprised by the bench results... maybe it's just noise? Perhaps it's worth re-running in a day or so.

[grunweg]

I think the benchmark results are mostly noise --- but notice that the only modified file speeds up.

[GrigorenkoPV]

-awaiting-author

[grunweg]

Thanks!
bors merge

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

• ci (staging) / Post-CI job
• ci (staging) / Post-Build Step
• ci (staging) / Lint style
• ci (staging) / Build