Andrew Peace refactored the benchmarking scripts for the awslabs/mountpoint-s3 repository, focusing on improving maintainability and reproducibility. He introduced a configurable debug mode using environment variables, allowing developers to toggle detailed output as needed. By consolidating the read and write benchmark logic, Andrew reduced code duplication and streamlined the execution flow, ensuring that core benchmarking functionality remained intact. His work leveraged shell scripting and benchmarking expertise to create a more deterministic and reliable testing process. Although no bugs were addressed during this period, the refactor enhanced code quality and supported safer experimentation in both development and CI environments.