Axiom Houdini – How do You Allocate More Memory

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To allocate more memory to Axiom in Houdini, follow these steps:

1. Modify Houdini Environment Variables

  • Open the Houdini.env file located in your Houdini preferences directory (e.g., Documents/HoudiniXX.X).
  • Add or modify the following variables to increase memory allocation:
    HOUDINI_MAXTHREADS = [number_of_threads]
    HOUDINI_MEMORY_LIMIT = [memory_in_megabytes]
  • Replace [number_of_threads] with the number of CPU threads you want Houdini to use, and [memory_in_megabytes] with the amount of memory you want to allocate.

2. Increase Axiom’s Memory Allocation

  • Axiom, being a third-party plugin, might have its own configuration file where memory settings can be adjusted. If available, consult Axiom’s documentation to find and modify the memory allocation settings directly in the plugin.

3. Adjust System Settings

  • Ensure your system has enough physical RAM available. Close unnecessary applications to free up more memory for Houdini and Axiom.
  • Consider upgrading your system’s RAM if you frequently run into memory limitations.

4. Use Command-Line Options

  • When launching Houdini, you can specify command-line options to allocate more memory:
    houdini -j [number_of_threads] -m [memory_in_megabytes]
  • This approach ensures Houdini and its plugins have access to the desired amount of resources during runtime.

5. Optimizing Scene and Simulation Settings

  • Simplify your scenes or reduce resolution settings within Axiom simulations to reduce memory usage. Often, optimizing how simulations are run can free up a significant amount of memory.

By adjusting these settings, you should be able to allocate more memory to both Houdini and Axiom, improving performance, especially for complex simulations. Be sure to monitor your system’s memory usage to avoid overcommitting resources.

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