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Google Enhances Android Boot Process for Faster Startup Times

Recent developments indicate that Google is refining the Android operating system’s initial boot sequence to enhance the speed of kernel module loading. This improvement is expected to reduce loading times by approximately 30% on devices such as the upcoming Pixel 10, according to insights from a Google engineer.

While we anticipate the launch of the Pixel 10 series several months from now, early leaks have shed light on the expected design and features of these devices. Evidence suggests that beyond aesthetics, consumers can expect an upgrade in startup performance. A notable indication of this enhancement was discovered in the Android Open Source Project (AOSP) code review, where a code modification explicitly mentioned the Pixel 10.

The code change, detailed in a review titled “Parallel Module Loading: Add performance mode,” highlighted testing results performed on the Pixel 10, which led to the aforementioned reduction in loading times. Interestingly, testing also included the Pixel Fold, signifying that this improvement will benefit a broader range of Android devices beyond just the next-generation Pixel models.

This change addresses a critical segment of the Android boot process that all devices share. Specifically, it enhances the phase that occurs after the Linux kernel is loaded, setting up the fundamental environment required for subsequent boot stages. During this phase, essential kernel modules—pieces of code that expand kernel functionality—are loaded. The proposed modification optimizes the loading of these modules by alleviating a prior bottleneck, thereby resulting in improved efficiency.

However, it is essential to note that this change targets only a segment of the overall boot process. Thus, while a 30% reduction in module loading times is notable, it does not imply a straight 30% decrease in total boot times. The overall impact on user-perceived startup times remains to be seen, and it may be subtle or not readily apparent to end-users. Regardless, it is fascinating to gain insights into these behind-the-scenes advancements, as Google frequently implements numerous updates with each Android release but seldom highlights them publicly.

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Source
www.androidauthority.com