How To Change the Physical Iterations Setting To Optimize Space Engineers Server Physics

Note:

By default, the game calculates these iterations 4 times per tick to ensure smooth, realistic physics. However, if your server has massive grid battles or complex subgrid contraptions, this can severely drag down server performance (SIM speed). Lowering this number will improve performance, while raising it will increase physical accuracy but demand more processing power.

1. Log In to Your Panel

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2. Select the ‘Files’ Tab

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3. Select the ‘config’ Folder

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4. Select the ‘Saves’ Folder

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5. Select the ‘World’ Folder

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6. Inside the ‘World’ Folder, Select the ‘Sandbox_config.sbc‘ File

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7. Adjust the Physical Iterations

Scroll through the text file or use Ctrl + F to locate the following line: <PhysicsIterations>4</PhysicsIterations>

Adjust the number between the tags based on your server’s needs:

4: The vanilla default. Good for standard gameplay.

2 or 3: Better server performance. Grids will collide slightly less realistically, and fast-moving objects might clip through thin armor, but the server will experience significantly less physics lag.

8: Maximum accuracy. Only recommended for highly powerful servers hosting very small, private groups doing complex engineering.

For example, to optimize for performance, change the line to look exactly like this: <PhysicsIterations>3</PhysicsIterations>

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8. Save the Changes

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9. Restart Your Server

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