Reduces Google Play Store app updates by up to 50% with new algorithm

Jul

23

2016

Google has made improvements to its delta compression algorithm allowing Play Store app updates now are reduced to 50% compared to before. In addition, the Play Store now will advance showing how big a possible update.

The series of small adjustments sets Google apart on the Android developers blog. The algorithm, called bsdiff, works best with apps that contain uncompressed native libraries. If this is not the case, developers can see only an improvement of 5% on average smaller updates. As examples, Google provides a large and a small Chrome update. The great passes from 22,8MB to 12,9MB and the small of 15,3MB to 3.6MB. The company reported that improving the compression is a response to the increase in app updates that are published through the Play Store and the preciousness of mobile data.

In addition, the Play Store will clearly indicate how large the downloads are expect those users. If an app is not installed, the size of the entire app is displayed. Is this one installed, the size of the update download is displayed. Since the Play Store itself algorithm updates can compose, users need to download just a single update to arrive at the latest version, no matter how old the version they are currently running. The adjustment will be phased in to the display and at the time of writing not yet visible in the Dutch Play Store.

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