Pekka Jaaskelainen enhanced the ROCm/MIVisionX repository by expanding OpenCL portability and robustness to support a wider range of hardware and drivers. He implemented dynamic device discovery and device-extension fallbacks, along with targeted workarounds for varying driver behaviors, ensuring consistent execution of PoCL-backed OpenCL workloads. Using C++ and OpenCL C, Pekka refined vector load and store operations to improve memory access patterns and addressed integer overflow issues in arithmetic operations, increasing numerical correctness across platforms. His work focused on embedded systems and GPU computing, delivering deeper cross-device reliability and reducing edge-case failures for users operating on diverse hardware environments.