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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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