EMUI Evolution: How HUAWEI Improves Android from Year to Year - WritenAreGiven


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EMUI Evolution: How HUAWEI Improves Android from Year to Year

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HUAWEI unveiled its Emotion UI (EMUI) proprietary user interface in 2012. And in 2013, I installed it on an Ascend P1 smartphone. The rapid development of the shell began with EMUI 5.0 in 2016. We recall the main innovations that appeared from version to version.
EMUI Evolution: How HUAWEI Improves Android from Year to Year

How EMUI Accelerated

In the recent past, lags appeared on Android devices over time and performance declined. Phones frankly began to slow down. At some point, HUAWEI engineers decided to deal with this and applied more than 30 patented technologies to the EMUI 5 release, so that throughout the life cycle, smartphones worked the same way as on the first day. 

Among them were the Ultra Memory feature, which tracked user habits to optimize memory allocation, and the new F2FS file system at that time instead of EXT4. This allowed the vendor to achieve uninterrupted operation of the devices for 18 months from the moment of their release until the upgrade to the next version of EMUI.

EMUI Evolution: How HUAWEI Improves Android from Year to Year

EMUI Evolution: How HUAWEI Improves Android from Year to Year

EMUI Evolution: How HUAWEI Improves Android from Year to Year

After EMUI 5, HUAWEI decided to skip the “six” and “seven” so that the firmware number matches the version of Android. So in early 2018, EMUI 8 debuted. 

One of the main innovations of the eighth revision is GPU Turbo graphics acceleration technology. It contributed to increasing the efficiency of the graphics processor by 60% while reducing power consumption by 40%. As a result, the game was able to run at higher graphics settings or with increased fps, without consuming a lot of battery power.

At the end of the same 2018, the announcement of the EMUI of the ninth version took place. In it, the company focused on improving the performance of the shell. To this end, creating a new file system EROFS (Extendable Read-Only File System). 

F2FS solved the problem of reducing over time the speed of reading / writing data in user partitions of Android (the equivalent of drive D in computers). But in EROFS, they optimized the reading speed of the Android system partition (the equivalent of the C drive on a PC) by more efficient data compression. 

So about 2 GB of additional space was freed up for the user's needs, and the system performance increased by an average of 20%. In addition, EROFS is read-only. Therefore, third-party software does not have access to the system partition, which significantly increases security.

Fighting lags in EMUI 10

In the past year 2019, EMUI 10 based on Android 10 appeared. In addition to the system dark theme, new gesture control and other visual changes, once again it was not without the introduction of fresh chips. 

This time, HUAWEI experts worked on reducing lags. To solve the problem, a deterministic delay mechanism technology was created. It sets the priority of execution and time limits for system processes.

The allocation of resources to tasks with a higher priority leads to a reduction in delays in their execution by 25.7%. As a result, the OS responds faster to user gestures, and the resources of the central and graphics processors, memory, Wi-Fi, modem and other components are concentrated on performing operations displayed on the screen.

According to representatives of HUAWEI, the work of the traditional Android OS can be compared with traffic, where the simultaneous and chaotic movement of a large number of cars, cyclists and pedestrians leads to traffic jams and congestion. The mechanism of deterministic delay acts as a kind of traffic light that controls the movement of all participants, that is, applications and system processes.

Improved latency in EMUI 10 is also facilitated by advanced GPU Turbo 3.0 algorithms that optimize the performance of the graphics accelerator and access to system resources. 

They not only improve performance and reduce power consumption but also increase the response speed of the display to touch.

Improving Compatibility and Life Cycle

In addition to constantly improving performance, HUAWEI is also working to make EMUI more accessible to as many users as possible. So, 13 models were updated to EMUI 5.0 all over the world, while to EMUI 8.0 - 20, and to EMUI 9.0 - more than 30 devices. 

In the case of EMUI, 10 updates will receive over 35 models. In addition, HUAWEI continues to update EMUI even after the completion of basic Android support. For example, Mate 8 came out with EMUI 4 and got EMUI 8.0 almost three years after the release.

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