Thomas Lumley • 1/12/2017

Mature and premature optimisation

The article explores the concept of premature vs. mature optimization through a personal coding example. The author initially used a simple but inefficient method to grow a vector in R, which profiling revealed was consuming 90% of the runtime. The post argues this was the correct initial choice for clarity and correctness, and details the subsequent optimization using a pre-allocated buffer with an upper bound—a common technique in performance-critical software development.

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#profiling #performance optimization #R Programming