Amy Soren contributed to the gem5/gem5 repository by addressing a bug in the GPU protocol tester, focusing on improving the accuracy of address printing during protocol validation. She modified the tester to use floor(log2(cache_line_size)) instead of cache_line_size * 8, aligning the implementation with protocol requirements and reducing the occurrence of false positives in test results. Working primarily in C++ and leveraging her skills in GPU computing and protocol testing, Amy’s fix enhanced the reliability of continuous integration workflows. Her targeted engineering work improved test accuracy and streamlined debugging, demonstrating a focused approach to maintaining robust GPU protocol validation.