According to Huawei China customer service, Huawei Mate 20, Mate 20 Pro, Mate 20 X and Mate 20 RS Porsche Design will be upgraded with EROFS file system in the next update of EMUI 9.1, this update will also bring Ark Compiler and expected to roll out by the end of this month.
The EROFS file system can increase the random read speed by 20%. When it comes to reading files types such as documents, music or videos, the higher reading speed the higher the response rate. Especially while launching a large app including a game, the startup speed will be faster and takes less time.
On the other hand, Ark Compiler can improve Android system performance by 24%, response speed by 44%, and the smoothness of the third-party application up to 60%.