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GPU Performance | Known issues
Last updated on Aug 24, 2022 09:00:46 AM GMT
The GPU Performance feature in the 2014 release of Illustrator CC enables the rendering of Illustrator artwork on the graphics processor. GPU Preview is turned on by default for RGB documents on Windows 7 and 8 computers with compatible NVIDIA cards. You can also check or uncheck the GPU Performance check box in Edit > Preferences > Performance to manually turn it on or off.
- GPU Performance is not available on Mac OS.
- When GPU Performance is on, the View menu shows GPU Preview in addition to other preview modes. When GPU Performance is off, the View menu does not show GPU Preview.
- From GPU Preview, it is possible to switch to regular Preview, Outline, Pixel Preview, or Overprint Preview from the View menu. You can also use specific keyboard shortcuts.
- Preview, Outline, Pixel Preview, and Overprint Preview always use the CPU for rendering Illustrator art, whether GPU Performance is on or off.
- Toggle to Outline (Ctrl + Y) always brings back the last used preview (GPU Preview or CPU Preview).
- It is possible to toggle between GPU and CPU Preview, by using Ctrl + E.
- On Windows 7 & 8 computers with compatible NVIDIA graphics processors, the feature may not be available. (That is, Experimental Feature in Preferences panel is unavailable, or the indicator in Illustrator's menu bar is unavailable.) See the troubleshooting information to identify and resolve the issue.
- GPU Performance includes a new feature called Animated Zoom. You can turn it off, even while keeping GPU Performance on.
- In GPU Preview, if thin lines are faint or disappear, select the Enhance Thin Lines. Choose Preferences > Experimental Feature tab > GPU Performance.
Known issues with GPU Performance
The following list is a set of known issues with GPU Performance:
- Blends created with an object containing effects may not render correctly in GPU Preview. 
- Gradients and Gradient Meshes with Spot colors are rendered incorrectly in GPU Preview. 
- Rendering of colors could appear different in GPU Preview. 
- Thin strokes at low zoom levels may show a perceivable lag in the rendering when Animated Zoom is stopped. 
- Redraw issues can appear while scrolling in Isolation mode with GPU Preview On. 
- With document rulers ON, the document's canvas can show a minor shift when toggling between GPU and CPU Preview. 
- While in GPU Preview, ruler origins may not update until the cursor is moved after release of click and drag. 
Learn more about Illustrator GPU Performance features and how to update outdated GPU drivers.
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