Sorry, I'm using it from my loot
I don't use it much, but it has integration with Sofa Control (another loot app) with is really good.
When mousepouse is not being used (but running) it's using 0 - 0.3 CPU and 23.78MB real memory.
When it's being used (highlighting the cursor) it's using anything from 1.8 - 2.9 (usually 2.4) CPU and about 24.30MB real Memory
Blue team FTW!