It seems TM2 compilation was very slow and was producing faster but also bigger programs than TP. This looks like the main complaints about scala ;-). At that

It seems TM2 compilation was very slow and was producing faster but also bigger programs than TP. This looks like the main complaints about scala ;-). At that time, memory was very tight (I was fighting to have all my code compile in less than 64kb) and compilation time was significant.