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Performance Mode optimizes the application’s user interface and response handling to ensure a smooth, lag-free experience on lower-end devices or older hardware.

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Key optimizations

When Performance Mode is enabled, LMSA makes the following changes:
  • Streaming disabled: AI responses load and appear all at once rather than word-by-word. This significantly reduces continuous DOM layout calculations and rendering updates.
  • Visual simplification: Disables CSS animations, transitions, backdrop blur filters, and shadows across all menus, modals, and tooltips.
  • Thinking output lock: Automatically unchecks and disables the Hide Thinking setting to conserve device processing resources.

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Smart auto-enable

LMSA automatically detects devices with limited hardware resources (fewer than 6 CPU cores and less than 4GB of RAM) and enables Performance Mode by default. If auto-enabled, you can turn it off manually in Settings > Device and Privacy, though you may experience slower UI animations or interface lag.

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How to enable or disable manually

1

Open Settings

Open the sidebar and tap Settings.
2

Go to Device and Privacy

Navigate to the Device and Privacy tab.
3

Toggle Performance Mode

Find Performance Mode and toggle it on or off as needed.