Adobe 12040118 Tutorial - Page 527

The composition uses an effect that relies on GPU processing. These effects are generally effects implemented with Pixel Bender. The composition contains a live Photoshop 3D layer. (See Using 3D object layers from Photoshop.) The composition uses an effect with a temporal component that renders much more quickly when the rendering process has access to a cache of previous frames. These effects include some effects with a Temporal Smoothing option. The composition uses an effect with a temporal component that requires frames to be rendered in strictly sequential order. If a composition uses any of the following effects, the composition will not be rendered with the Render Multiple Frames Simultaneously multiprocessing feature: Auto Color Auto Contrast Auto Levels Cartoon Lens Blur Particle Playground Shadow/Highlight Note: Some third-party effects-such as CC Time Blend and RE:Vision Effects Video Gogh-are also incompatible with the Render Multiple Frames Simultaneously multiprocessing feature. Memory pool shared between After Effects, Premiere Pro, Encore, and Adobe Media Encoder After Effects shares a memory pool with Adobe Media Encoder, Premiere Pro, and Encore. This is indicated in the Memory & Multiprocessing preferences panel by the icons for each of these applications at the top of the panel. The icons are dimmed for the applications that are not running. A memory balancer prevents swapping of RAM to disk by dynamically managing the memory allocated to each of the applications. Each application registers with the memory balancer with some basic information: minimum memory requirements, maximum memory able to be used, current memory in use, and a priority. The priority has three settings: low, normal, and highest. Highest is currently reserved for After Effects and Premiere Pro, when it is the active application. Normal is for After Effects in the background or Adobe Media Encoder in the foreground. Low is for background servers of Premiere Pro or Adobe Media Encoder in the background. Note: An example of a practical result of the shared memory pool is that starting Premiere Pro will decrease the amount of RAM available to After Effects for RAM previews; quitting Premiere Pro will immediately free RAM for After Effects and extend the possible duration of RAM previews. Memory & Multiprocessing Details dialog box The Memory & Multiprocessing Details dialog box contains additional information about installed RAM and current and allowed RAM usage. It also includes a multicolumn table listing processes related to Adobe Media Encoder, After Effects, Premiere Pro, and Encore. The table includes information about each process, such as ID, Application Name, Minimum Needed Memory, Maximum Usable Memory, Maximum Allowed Memory, Current Memory, and Current Priority. To open the dialog box, choose Edit > Preferences > Memory & Multiprocessing (Windows) or After Effects > Preferences > Memory & Multiprocessing (Mac OS), and click the Details button at the bottom of the preferences dialog box. You can copy the information to the clipboard with the Copy button. Memory (RAM) requirements for rendering Memory requirements for rendering of a frame (either for previews or for final output) increase with the memory requirement of the most memoryintensive layer in the composition. After Effects renders each frame of a composition one layer at a time. For this reason, the memory requirement of each individual layer is more relevant than the duration of the composition or the number of layers in the composition when determining whether a given frame can be rendered with the available memory. The memory requirement for a composition is equivalent to the memory requirement for the most memory-intensive single layer in the composition. The memory requirements of a layer increase under several circumstances, including the following: Increasing the project's color bit depth Increasing the composition resolution Using a larger source image Enabling color management Adding a mask Adding per-character 3D properties