ring buffer;circular buffer;cyclic buffer;data structures;collections;containers;high performance;performance optimization;time series;sliding window;fixed size;csharp;dotnet;dotnet8;dotnet9;audio processing;video buffer;streaming;signal processing;game development;fixed window;rolling window;buffer overwrite;fifo;lifo;queue;memory efficient;in memory;contiguous memory;low latency;realtime;generics;caching;overflow handling