Explain the concept of code profiling and its importance in code optimisation.

Code profiling is the process of analyzing and measuring the performance of a program to identify areas that can be optimized. It involves collecting data about the program's execution, such as the time taken by each function or method, the number of times they are called, and the memory usage.

The importance of code profiling in code optimization lies in its ability to pinpoint bottlenecks and inefficiencies in the code. By identifying the specific areas that consume the most resources or take the longest time to execute, developers can focus their optimization efforts on those parts of the code that will yield the greatest performance improvements.

Code profiling helps in understanding the behavior of the program and provides insights into how it can be optimized. It allows developers to identify and eliminate unnecessary or redundant computations, reduce memory usage, and improve overall performance.

Additionally, code profiling helps in making informed decisions about trade-offs between different optimization techniques. It provides quantitative data that can be used to compare the effectiveness of different approaches and choose the most suitable one.

Furthermore, code profiling is not limited to performance optimization alone. It can also be used to identify and fix bugs, improve code maintainability, and enhance the overall user experience.

In conclusion, code profiling is a crucial step in the code optimization process as it enables developers to identify performance bottlenecks, make informed optimization decisions, and ultimately improve the efficiency and effectiveness of the code.