How to make FreeCAD utilize multiple cores?

I am currently on a modified version of Debian-standard, jessie, using xfce and LightDM with some AMD drivers for the GPU. But my issues are that I am using an 8 core AMD FX 8320, all cores are being detected and are running fine in Linux, but for some reason FreeCAD is only using one (not even entirely) to load a small file. I was thinking maybe if it could utilize multiple cores on my system then it could load the 1.4 MB DAE file without halting the system and taking more than an hour? Other specs that may be useful?: - 8GB 1600mhz DDR3 RAM - A not-so-great ASRock motherboard. - 1TB HDD.