Wednesday, September 16, 2015

Mobile applications under the magnifying glass – LT10Digital

Constant updates and processes that take place and Android mobile applications are under scrutiny by the battery consumption. In some cases, reach-consuming over 28 percent of the energy of the device, even when the display is off, according to a report prepared by Purdue University with Intel and the start-up Mobile Enerlytics.

“In Generally, when the phone is with the screen off, some applications requesting activated to perform certain tasks, and it is usual after the end of this routine returns to the mode energy savings. It is a useful and necessary function to operate the phone mobile. But some applications, poorly planned or underutilized, causing improper use of the battery for constant updates that affect your computer’s performance, “said Y. Charlie Hu, a researcher at Purdue University.

The report evaluated the behavior of 2000 Samsung mobile phones in their S3 and S4 models 191 mobile operators in 61 countries. By detecting this inadequate intake of energy, researchers developed HUSH, a tool that seeks to optimize the use of the battery, available in the repository www.github.com/hushnymous.

“Mediante this tool we have reduced about 16 percent of this energy drain to extend their autonomy, “added the specialist.

The characteristic of HUSH, an experimental tool which is not yet available as a mobile application aims to optimize and enable these updates only in cases where the application is frequently used by the user. “If a user often uses Facebook, updates on standby will be enabled by HUSH, but not in those accesses rarely used applications.”

At the same time, researchers at the University of Purdue stressed that analyzed 187 applications in 2000 smartphones that participated in the evaluation, 42 contained errors that caused that the smartphone would not return to power saving mode even if the upgrade was complete.

For reference at present, about 40 percent of the devices used KitKat, as known to version 4.4 of Android. At the same time, optimizing the power consumption when the display is off is a point that Google is very present in the next version of its mobile operating system, known as Marshmallow. During the last conference of developers of the company, Android 6.0 is expected to be twice as effective in the use of the battery over its predecessor Lollipop.

The problem of background applications that are still functioning and demanding the autonomy of the battery when it is still off screen smartphone, he was also addressed by projects like Greenify, which analyzes and optimizes application performance present in the smartphone.

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