Initializing help system before first use

The Model and Scenario Data Management

Each FICO® Xpress Insight app has a main model implemented in Mosel or Python which defines the scenario data schema for the app. For more on Xpress Insight workers, see Concepts and Components.
The main model also implements execution modes which are functions or code paths that manipulate the scenario data when the scenario is executed as a job. The user can trigger an execution mode to load data into a scenario, solve the optimization problem defined by the scenario data, or perform some other custom logic on the scenario data.
Covered Topics
  • Developer Responsibilities
    Best practice recommends that the main model of an app should honour the threads assigned to it by the scheduler. If an execution mode implementation requires a fixed number of threads then that number should be declared in the execution mode annotation so the requirement is visible to the scheduler.
  • The Scenario Schema
    The scenario schema is the data model of the scenario.
  • Data Management and Scalability
    Each loaded scenario holds an independent (compressed) copy of the input data, and each executed scenario holds an independent copy of the results.
  • The Lifecycle of Scenario Data
    A scenario persisted in FICO® Xpress Insight can have input data, results data, and file attachments.
  • Minimum Model Requirements
    Mosel model developers must implement several behaviors in a model to use it in FICO® Xpress Insight.
Parent Topic Fundamental Xpress Insight Concepts

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