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Force a single core program to use multi core

Whenever I play games (specifically Minecraft) on my computer, only one of the cores is being used to run the game, which slows Minecraft down.

I was wondering if there was a way to tell the computer to use all (4) of the cores to run the game.

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marked as duplicate by DragonLord, slhck, Breakthrough, afrazier, Nifle Feb 24 '12 at 22:51

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up vote 6 down vote accepted

In general no - software that is multicore aware has to be coded to be multicore aware. I've never known minecraft to be CPU bound however.

There is, however a varient of the optifine mod thats multiprocessor enabled.

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That mod is helping me run Minecaft much better. Thanks a lot! :D –  parion Feb 26 '12 at 16:18

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