Question

What is loop unrolling and what is its purpose?

a.

A code-level optimization technique that is CPU-specific

b.

A restructuring of high-level code aimed at producing more efficient machine code

c.

A technique to reduce the size of the loop body

d.

A method to increase the number of iterations of a loop

Posted under Reverse Engineering

Answer: (b).A restructuring of high-level code aimed at producing more efficient machine code Explanation:Loop unrolling is a code-shaping level optimization that is essentially a restructuring of high-level code aimed at producing more efficient machine code.

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