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Profiler Overlay

File: src/layout/profiling.rs

What It Shows

  • upward pass time
  • downward pass time
  • material update time
  • cache statistics

Keyboard Shortcuts

  • F10: toggle the overlay
  • F11: toggle compact mode
  • F12: move the overlay

When To Use It

  • when tracking frame spikes
  • when comparing the impact of a large layout change
  • when evaluating cache effectiveness