Comparison of Functions, Threads, Objects, Components, & Services

For example components can be optimized for better performance through a compiler, inside an interpreter, or from the outside via the environment. Whereas services can only be optimized via the environment. Rarely does a service have a very low-level interface for tuning internals.

	Functions	Threads	Objects	Components	Services
Locality	Same	Same Different	Same Different	Different	Different
Environment	Same	Same	Same	Same Different	Different
Overhead	Max	Min	Min	Min Max Distributed	Max Distributed
Speed	Very Fast IPC	Very Fast IPC	Fast IPC	Slow IPC	Very Slow IPC
Optimization	Compiler	Compiler	Interpreter Environment	Compiler Interpreter Environment	Environment
Debugging	Min	Long-term	Short-term Long-term	Long-term	Long-term

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