Code Optimisation Questions
Loop unrolling is a code optimization technique that involves reducing the number of loop iterations by manually duplicating loop bodies. Instead of executing the loop for each iteration, loop unrolling allows multiple iterations to be executed in a single iteration. This technique improves code performance by reducing the overhead of loop control, such as loop counter updates and condition checks. It also helps in increasing instruction-level parallelism and reducing branch mispredictions. Additionally, loop unrolling can enable better utilization of hardware resources, such as registers and cache, resulting in improved code performance.