Splitwise

Debt simplification algorithm written in Python, Go and Rust

Getting Started

Generate test data

./create-testdata.sh

Golang

./go.sh

Python

./python.sh

Rust

./rust.sh

Performance comparison

Thorough benchmarking has not been conducted, but sample algorithm execution times are printed to stdout by the main program.

20 debtors, 100 transactions

Python

read csv file in 3423.845 microseconds
completed simplify_debts execution in 428.073 microseconds, transactions 17

Golang

completed csv load execution in 90.245µs
completed SimplifyDebts execution in 70.173µs, settlement transactions 17

Rust

completed csv load execution in 75.81µs
completed simplify_debts execution in 16.79µs, settlement transactions 17

20 debtors, 1000 transactions

Python

read csv file in 5711.69 microseconds
completed simplify_debts execution in 1748.723 microseconds, transactions 18

Golang

completed csv load execution in 440.076µs
completed SimplifyDebts execution in 155.269µs, settlement transactions 18

Rust

completed csv load execution in 301.86µs
completed simplify_debts execution in 82.17µs, settlement transactions 18