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May 04, 2010 This video showing you How to use RAM More than 2 GB on After Effects. Please Subscribe if you feel like you learn something by clicking 'subscribe' button above the video screen. Jun 23, 2013 When a computer does not meet a software's recommended System requirements, One hopes that it will work and in most cases it won't.. System requirement is considered a minimal requirement to run a software program so anything below that is useless even if.
Set memory and multiprocessing preferences by choosing Edit Preferences Memory (Windows) or After Effects Preferences Memory (Mac OS). As you modify settings in the Memory & Multiprocessing dialog box, After Effects dynamically updates helpful text in the dialog box that reports how it will allocate and use memory and CPUs. The RAM Reserved For Other Applications preference is relevant whether or not Render Multiple Frames Simultaneously is selected. The settings in the After Effects Multiprocessing category are relevant only if Render Multiple Frames Simultaneously is selected. Todd Kopriva provides information about optimum memory and processor settings on the. Increase this value to leave more RAM available for the operating system and for applications other than After Effects and the application with which it shares a memory pool.
(See.) If you know that you will be using a specific application along with After Effects, check its system requirements and set this value to at least the minimum amount of RAM required for that application. Because performance is best when adequate memory is left for the operating system, you can’t set this value below a minimum baseline value.
After Effects shares a memory pool with Adobe CC applications. This is indicated in the Memory 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. The Memory 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 the applications. 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 (Windows) or After Effects Preferences Memory (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 requirements for rendering of a frame (either for previews or for final output) increase with the memory requirement of the most memory-intensive 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.
Because video is typically compressed during encoding when you render to final output, you can’t just multiply the amount of memory required for a single frame by the frame rate and composition duration to determine the amount of disk space required to store your final output movie. However, such a calculation can give you a rough idea of the maximum storage space you may need. For example, one second (approximately 30 frames) of uncompressed standard-definition 8-bpc video requires approximately 40 MB.
A feature-length movie at that data rate would require more than 200 GB to store. Even with DV compression, which reduces file size to 3.6 MB per second of video, this storage requirement translates to more than 20 GB for a typical feature-length movie. It is not unusual for a feature-film project—with its higher color bit depth, greater frame size, and much lower compression ratios—to require terabytes of storage for footage and rendered output movies. As you work on a composition, After Effects temporarily stores some rendered frames and source images in RAM, so that previewing and editing can occur more quickly. After Effects does not cache frames that require little time to render. Frames remain uncompressed in the image cache.
After Effects also caches at the footage and layer levels for faster previews; layers that have been modified are rendered during the preview, and unmodified layers are composited from the cache. When the RAM cache is full, any new frame added to the RAM cache replaces a frame cached earlier. When After Effects renders frames for previews, it stops adding frames to the image cache when the cache is full and begins playing only the frames that could fit in the RAM cache. Green bars in the time ruler of the Timeline, Layer and Footage panels mark frames that are cached to RAM. Blue bars in the Timeline panel mark frames that are cached to disk. The global performance cache consists of the following:: When you modify a composition, frames in the RAM cache are not automatically erased and are reused if you undo the change or restore the previous state of the composition.
The oldest frames in the RAM cache are erased when the RAM cache is full and After Effects needs to cache new frames.: Frames cached to disk are still available, even after closing After Effects. For more information about the global performance cache, see the blog post entitled, on the After Effects Team blog. For best performance with disk caching, select a folder on a different physical hard disk than your source footage. It is best if the folder is on a hard disk that uses a different drive controller than the disk that contains your source footage. A fast hard drive or SSD with as much space allocated as possible is recommended for the disk cache folder.
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The disk cache folder can’t be the root folder of the hard disk. As with the RAM cache, After Effects only uses the disk cache to store a frame if it’s faster to retrieve a frame from the cache than to rerender the frame. The Maximum Disk Cache Size setting specifies the number of gigabytes of hard disk space to use. The default disk cache size is set to 10% of the volume's total size, up to 100 GB. Global RAM cache offers these advantages:. Cached frames are restored after an undo/redo.
Cached frames are restored when a composition or layer is returned to a previous state, such as turning a layer's visibility off then back on. Reusable frames are recognized anywhere on the timeline (e.g., when using loop expressions, time remapping, or copy/paste of keyframes), not just adjacent frames. Reusable frames are recognized on duplicated layers or duplicated compositions;. Cache is not automatically destroyed by a render queue rendering using anything other than Current Settings.
Once you save a project, frames in the disk cache are retained even after you close the project or quit After Effects. This protocol is called persistent disk cache. The disk cache is no longer emptied at the end of a session.
With the persistent disk cache feature, frames stored in the disk cache is retained between sessions. This saves rendering time as you work on a project or other projects that use the same cached frames. Upon opening a project, the disk cache is scanned looking for frames matching those in the project, and makes them available for use. The disk cache contains frames from all projects you've opened in the same or earlier sessions, so disk-cached frames from one project will be retrieved for reuse in other projects that need those same frames. As the cache is scanned, blue marks gradually fill in on your timeline. You can fill the disk cache for a composition's work area (or multiple work areas in the same or multiple compositions) while continuing to work. When you do not expect to make changes to a composition, especially if it is used in downstream compositions, you can render the frames to the disk cache in the background.
Normally, the application tries to identify appropriate expensive-to-render frames that should be placed in the disk cache, but this command will force those frames to be rendered to the disk cache for quicker retrieval next time they are needed.