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Autodesk Inventor Nastran 2025
    • What's New
    • Release Notes
    • New User Quick Start
    • Essential Skills Videos
    • Tutorials
    • Self-Paced Training
    • User's Guide within Inventor
    • Nastran Solver Reference Guide
      • Introduction
      • Section 1: NASTRAN Command Line
      • Section 2: Initialization
        • File Management Directives
        • Output Control Directives
        • Memory Management Directives
        • Program Control Directives
          • CNRMETHOD
          • DECOMPAUTOSIZE
          • DECOMPMETHOD
          • DYNRSLTMETHOD
          • EXTRACTAUTOSIZE
          • EXTRACTMETHOD
          • FEATURECODE
          • GPWEIGHTMETHOD
          • HEXEGRID
          • HPFAFILESPEC
          • INMEMORYIO
          • LICENSECODE
          • LICENSEMANAGER
          • NDISKS
          • NPROCESSORS
          • OPTIMIZESETTINGS
          • PCGLSSDMI
          • PENTEGRID
          • PROCESSCONTROL
          • PROCESSPRIORITY
          • PYREGRID
          • QUADEGRID
          • RESTART
          • RSPECDISPMETHOD
          • RSPECVECTMETHOD
          • SHELLEGRID
          • SOLIDEGRID
          • SOLUTION
          • TETEGRID
          • TOPTENGINE
          • TOPTXDATAFORMAT
          • TOPTXPRCSMODE
          • TRIEGRID
          • WAITFORLICENSE
      • Section 3: Case Control
      • Section 4: Bulk Data
      • Section 5: Parameters
      • Appendix A: Results Neutral File Format
      • Appendix B: Model Input File Command And Entry Summary
    • Nastran Solver Error Messages
    • Explicit Solver Reference Guide
    • Explicit Solver Error Messages
    • Installation Supplement
    • Autodesk Installation
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    NPROCESSORS

    Description: Number of processor threads used for parallel processing operations. A value greater than one enables parallel processing for various phases of the solution. It is recommended to set the value equal to the number of physical cores on your system for best performance.

    Option/Type: Integer > 0

    Default: 1

    Parent topic: Program Control Directives

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