OPfN wiki

solid-state interpreter

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The below came mostly from an LLM and should be edited

(SSI) A computational model that emphasizes deterministic executiondeterministic executiontodo A process where the output and new state are entirely determined by the current state and input, ensuring predictable and reproducible results pure functional programming, state-based execution. In the context of pallasPallastodo, the SSI is designed to ensure that every action taken by the system is predictable and reproducible.

  1. Deterministic Execution: In an SSI, the output and the new state are entirely determined by the current state and the input. This means that given the same input and initial state, the system will always produce the same output and end state. This predictability is crucial for reliability and debugging.

  2. State Management: The state of the system is a snapshot of all relevant information at a given point in time. In an SSI, the state is updated only through defined functions, ensuring that state transitions are controlled and traceable.

  3. Persistence: The system's state is persistent, meaning that it is saved and can be restored across different sessions or executions. This persistence is managed automatically by the SSI (orthogonal persistenceorthogonal persistencetodo A concept where data persists (is saved) automatically across program executions, regardless of the data's type or how it is accessed), which means developers do not need to handle state-saving manually.

  4. Function-Based: The core of an SSI is the operating functionoperating functiontodo Similar in responsibility to an operating system, an "Operating Function" or OF is a pure function that, given a state and an input, produces a new state and an output. In contrast to traditional OSes, an OF is deterministic and ensures that the system's behavior is entirely predictable based on its inputs and current state (NewState, Output) = OperatingFunction(CurrentState, Input), which takes the current state and an input, processes them, and returns a new state and an output. This function is deterministic and statelessstatelesstodo A property of a function that relies solely on its inputs to produce outputs, without retaining any internal state between executions. Opposite of: stateful in the sense that it relies solely on its inputs to produce outputs.