# Archived Performance Studies
Completed optimization investigations and their decisions are retained here.
These are historical experiments, with the environment and limitations stated
in each report.
- [Algebraic floating-point reduction evaluation (#250)](algebraic-float.md)
- [Interval and certified-reduction optimization (#247, #248)](interval-reductions.md)
- [Rational row-clearing allocation study (#233)](rational-row-clearing.md)
- [Rust 1.99 compiler migration (#251)](rust-1.99.md)
- [Solve finalization decision (#234)](solve-finalization.md)
- [Triangular rational solves (#246)](rational-triangular.md)
- [Unsigned vector angle formulation and costs (#249)](vector-angles.md)
[Release comparisons](../README.md) and [complete local benchmark summaries](../../../performance/README.md)
have separate owners.