Mohamed expanded Hexagon backend support in the llama.cpp and ggml repositories, delivering initial compatibility for v68 and v69 hardware revisions. He addressed GCC build issues by introducing stdexcept and implemented robust VTCM acquire failure handling to improve runtime stability on Snapdragon 8cx Gen 3 and QCM6490 platforms. His work involved relaxing page size constraints and adjusting bypass logic to maintain compatibility with older Hexagon versions, ensuring broader hardware support. Using C and C++ for embedded systems and hardware integration, Mohamed’s contributions laid the foundation for future performance tuning and cross-repository collaboration, demonstrating depth in build system configuration and backend integration.