Hiệu suất Preferences A Lưu ý: Đối với thay đổi trong bảng này có hiệu lực, bạn phải relaunch Photoshop. Trong cửa sổ mô tả ở dưới cùng của hộp thoại, đọc về tính năng con trỏ của bạn hiện đang lơ lửng trên. | Preferences Presets I 391 Performance Preferences A Note For changes made in this panel to take effect you must relaunch Photoshop. In the Description window at the bottom of the dialog read about the feature your pointer is currently hovering over. Memory Usage The Let Photoshop Use field and slider control the maximum percentage of your machine s RAM that can be used by Photoshop. We recommend leaving these controls at the default setting. History Cache Low-resolution versions of the current file are saved in cache buffers to help the image and histograms redraw more quickly onscreen. To optimize the cache levels and tile size for Photoshop click a generic document type not your body type Tall and Thin for smaller documents with many layers Default best for general use or Big and Flat best for larger documents with few layers . Enter the maximum number of History States the History panel can list at a time. When this number is reached older states are deleted. Choose a higher Cache Levels value for large files that contain few layers and a lower Cache Levels value for smaller files that contain more layers. The Cache Tile Size value controls how much data Photoshop processes at a given time. Choose a higher value for large images. Scratch Disks Check which hard drives you want made available as Scratch Disks for Photoshop when available RAM is insufficient for processing or storing image data. To switch the order of the currently selected drive click the up or down arrow. Hold down Ctrl-Alt Cmd-Option while launching Photoshop to open the Scratch Disk Preferences dialog. Choose Panel Options from the Info panel O menu and check Efficiency under Status Information. When the scratch disk is being used the Efficiency value at the bottom of the panel registers below 100 . GPU Settings The Detected Video Card area lists the video cards in your system. Check Enable OpenGL Drawing if your system has OpenGL graphics capability and you want to take advantage of the OpenGL
