Code Optimisation Questions
Loop interchange is a code optimization technique that involves swapping the order of nested loops in a program. This technique aims to improve cache utilization and reduce memory access latency, thereby enhancing the overall performance of the code.
By interchanging loops, the data accessed in the inner loop can be stored in the cache, allowing for faster access in subsequent iterations. This reduces the number of cache misses and improves the efficiency of memory access.
Additionally, loop interchange can also help in exploiting parallelism in modern processors. By reordering loops, it becomes possible to execute multiple iterations of the outer loop in parallel, which can lead to significant performance gains on multi-core systems.
Overall, loop interchange is a valuable code optimization technique that can enhance cache utilization, reduce memory access latency, and exploit parallelism, resulting in improved code performance.