LINQ is elegant… and allocates. Problem Deferred execution Hidden enumerators Fix Use LINQ at boundaries, not inside loops. for (int i = 0; i < list.Count; i++) { Process(list[i]); } Why Predictable execution beats elegance under load.
Tag: high-performance-code
Stop Boxing With in Parameters for Hot Paths
void Process(in LargeStruct data) Why this mattersAvoids copies and reduces GC pressure.