Question

Why are higher quality branch predictors useful and preferred? Because predicting branches correctly: reduces the number of things a processor fetches, results in faster programs, reduces the quantity of instructions stored in main memory, or increases the space accessible for computation on chip? There can be more than one correct answer.  

Answer 1

Higher quality branch predictors are very useful and there are more than one option are true regarding the higher quality branch predictor.

It Reduces the number of things a processor fetches.

Results in faster programs.

Reduces the quantity of instructions stored in main memory

Branch predictor basically divides the instruction into two different sequences which helps increase the execution of the code it reduces the number of processor fetches because only the instruction which needed to be executed will be executed other will remain on hold this will result less amount of instruction stored in the main memory.

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