How not to benchmark!
Read OriginalThis article critiques a viral LinkedIn post claiming the 'let' keyword in LINQ queries harms performance. The author deconstructs the provided benchmark code, revealing critical flaws: it doesn't materialize queries (e.g., with .ToList()), so it only measures query creation time, not execution. It's a technical deep dive into proper benchmarking practices in C#/.NET, specifically for evaluating LINQ performance.
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