The Nucleus real-time operating system is already in use in over 3 billion devices. Now Mentor has given the RTOS a few important innovations.
With its GAP9, Greenwaves in turn has developed an IoT application processor that, compared to GAP8, achieves higher performance with less power consumption.
article: https://www.elektroniknet.de/markt-technik/embedded/rtos-und-risc-v-prozessor-174721.html