As IoT devices advance, their microcontroller systems-on-a-chip (SoCs) demand higher speeds, more memory, and advanced peripherals, leading to increased power consumption.
Integrating low-power (LP) coprocessors in SoCs can reduce power usage while maintaining responsiveness.
However, switching application execution to and from the coprocessors generally involves complex and platform-specific procedures.
We propose a JIT compilation method for managed programming languages to streamline LP coprocessor use.
Our prototype for the programming language mruby includes a JIT compiler and a seamless processor-switching mechanism, enabling rapid development of IoT applications leveraging LP coprocessors.
This work-in-progress paper describes the design and implementation of the extended mruby interpreter and presents preliminary evaluations of its power consumption and latency on ESP32-S3 and ESP32-C6.
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