مقاله انگلیسی رایگان در مورد مدیریت حافظه در اندروید – IEEE 2017

Primary storage that holds data in the mobile device is known as RAM (Random Access Memory).RAM acts as a container that keeps things ready for the CPU. It is used differently by different operating systems and is also infinitely (almost) rewritable and very fast. When we start a particular application on the phone, the application gets loaded from the device memory into the RAM. This same process is observed in computers and the main reason behind doing this is because it increases the access speed and reduces the access time. It was designed to be used fully by Android, Mac OS and Ubuntu. The widgets, system , different tools, graphics are first loaded in the ram and then the available ram is used for loading different applications. Load the paramount applications into the ram and keep it there until the RAM gets completely filled up. If new applications needs to be occupied by the ram and there is no space available then flush the existing RAM and now there will be space left for a new application to occupy the RAM. More the system is being used the performance of the RAM gets better and better. If you have 50 applications installed on your mobile devices, but there are few applications which are being used again and again. The Continuous opening and closing of specific applications will be stored in the RAM because these applications are frequently used. It takes a long time to load an application from the secondary storage which in return consumes more battery and it affects the execution time. Operating system utilizes maximum RAM and hence that is the reason why you can’t free it up 100%. Everything is cleared in the RAM as you restart your mobile device. Performance is determined by how the operating system utilizes the RAM. When the OS starts up, all the icons and widgets (and other graphical items) are rendered and this is the thing the phone is doing before it’s responsive. Even if you are viewing them or not, those pictures, files of icons/widgets/etc. will be persistently in the RAM as long as the OS has booted; and ‘cleaning’ the RAM should not cause the icons to reload. The RAM is generally rapidly occupied and freed. Occupancy is never fixed even if you get a fixed RAM size (i. e. When you are performing multiple operations, the RAM gets filled and when no application is running it automatically gets cleared). In android, some or the other application is always running and hence you will never find RAM utilization as null.