Worked on performance and safety improvements across the ROCm/xla and ROCm/tensorflow-upstream repositories, focusing on parallelism and code maintainability. Developed parallel ForEach utilities and HLO-specific helpers in C++ to enable deterministic, value-returning parallelization, and introduced a fixed-size TslTaskExecutor with fail-fast semantics and debugging options for reliable task scheduling. Enhanced compiler infrastructure by adding the PassFuelIsSet flag to distinguish explicit fuel configurations and applied const-correctness annotations to HloModule methods, improving code safety and clarity. Leveraged skills in C++ template metaprogramming, concurrency, and build systems to deliver five new features that support safer, more predictable parallel processing.