Some more memory overhead trimming
Some more memory overhead trimming

ktaneishi/deepchem,rbharath/deepchem,ktaneishi/deepchem,miaecle/deepchem,lilleswing/deepchem,deepchem/deepchem,joegomes/deepchem,Agent007/deepchem,lilleswing/deepchem,peastman/deepchem,Agent007/deepchem,Agent007/deepchem,lilleswing/deepchem,ktaneishi/deepchem,joegomes/deepchem,deepchem/deepchem,miaecle/deepchem,rbharath/deepchem,peastman/deepchem,miaecle/deepchem