Lolipop1594

HEY i play attack of the b team and i gave it 3gb of ram ( I HAVE 8 GB RAM ) but when i open the game and press F3 it shows up in the cornner that i gave it only 913 MB and it says that its 97% of acollted memory and that makes my game lag so hard BTW i have 64 bit jave and computer and it is always at the latest update i dont understand why this is happing to me i need HELP PLEASE THANK YOU