During August 2025, Tao Zhang developed and standardized a GC Performance Benchmark Environment Configuration for the dotnet/performance repository. By updating environment variables related to garbage collection heap limits and server mode, Tao improved the reliability and efficiency of performance testing scenarios. This work leveraged C# and focused on benchmarking, configuration management, and performance testing to reduce setup friction and increase test repeatability. The refined configuration enables more representative and reproducible GC benchmarks, supporting data-driven optimization of garbage collection behavior. Tao’s contribution provided faster, more accurate performance assessments and clearer guidance for .NET GC tuning, demonstrating depth in environment configuration and automation.