November 2025 monthly summary focusing on delivering platform-wide stability and safety improvements across Graal ML repos. Key features delivered include the Arm Graviton4 CI and build optimization for llama.cpp, enabling Arm-native testing, improved build reliability, and broader platform support. Major bugs fixed include kernel selection zero-size array declarations to prevent out-of-bounds errors, with fixes applied in llama.cpp and ggml. These efforts reduce runtime risk, improve stability, and accelerate CI feedback loops. Technologies and skills demonstrated include CI automation with GitHub Actions, Arm Graviton4 optimization, LFS handling, run-script improvements for CPU targeting, and cross-repo kernel safety fixes, underscoring impact on reliability and performance for Arm deployments and compute-heavy workloads with llama.cpp and ggml.

Month: 2025-10 — Delivered ARM64 Build and Kleidiai Acceleration Support for llama.cpp, expanding cross-architecture capabilities and strengthening ARM-focused performance. Implemented a dedicated ARM64 CI job and updated the build script to enable Kleidiai-specific configurations and compiler flags, improving validation speed and hardware compatibility. No critical bugs reported this month; focus was on delivering scalable, ARM-optimized tooling and CI coverage.