Same problem here. Actually Squad seems to want to correct this problem while switching to unity 5. Not because it will allow users to use more memory but they will have to read and redo a lot of there code while doing so. So they will be able to see what is wrong. Also, unity 5 will have better compile function for recent computers. So, i will try some of the tips shows here and wait, patiently for a major update... I hope.