I created a fix to reduce CPU usage when running SMAC/SMAX to save my laptop battery 
https://github.com/vinceho/smac-cpu-fix/releases
I only tested this under Windows 8/10, but it should work with Windows 7 as well. If not, please let me know. Feel free to log any issues on GitHub.

https://github.com/vinceho/smac-cpu-fix/releases
I only tested this under Windows 8/10, but it should work with Windows 7 as well. If not, please let me know. Feel free to log any issues on GitHub.