Interestingly, using 1.62 and espruinoCall (the one I started with), the execution time problem seems to be fixed.
@Alex started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Interestingly, using 1.62 and espruinoCall (the one I started with), the execution time problem seems to be fixed.