In March 2025, Greg Novack developed a Neuron device communicator for distributed tensor operations in the HabanaAI/vllm-fork repository. He focused on enabling efficient all-reduce and all-gather operations across Neuron platforms, targeting improved scalability and reduced communication overhead for inference workloads. The implementation leveraged PyTorch and distributed computing concepts, integrating tightly with the vLLM v1 stack. Greg applied his expertise in software architecture and unit testing to ensure robust integration without introducing regressions. The work addressed a specific need for optimized tensor exchanges on Neuron devices, demonstrating depth in distributed systems engineering and a clear understanding of performance bottlenecks.