Chrome memory savings on Mac, Windows and Android detailed



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Chrome is constantly criticized for its memory usage, and Google has made an effort to address these complaints in recent versions of browsers for Mac, Windows, and Android.

With the latest version of Chrome, Google uses its own advanced memory allocator. PartitionAlloc is optimized for low allocation latency, space efficiency, and security. It is now used everywhere on Chrome for Android and Windows 64-bit.

In Chrome M89, we see significant memory savings on Windows – up to 22% in the browser process, 8% in the renderer, and 3% in the GPU. Even more, we have improved the responsiveness of the browser by up to 9%.

The browser is also smarter to use and delete memory:

Chrome now recovers up to 100MB per tab, which is over 20% on some popular sites, by removing memory that the foreground tab is not actively using, such as large images you’ve scrolled out of the way. screen.

On macOS, Google recently reduced the memory footprint of background tabs by up to 8%, or just over 1GB on some systems. The tab limitation – JavaScript timer wake-ups in pages that are not currently displayed – introduced with Chrome 87 (and widely available in version 88) is also responsible for a 65% improvement in the Apple Energy Impact score for the pages in the background. This helps “keep your Mac cooler and those fans quiet.”

On mobile, Google uses Android app bundles to optimize downloads for each device, and isolatedSplits to enable on-demand feature loading. This repackaging resulted in fewer crashes due to resource depletion, a 5% improvement in memory usage, 7.5% faster boot times, and up to 2% faster page loads. .

The 64-bit version of Chrome on Android 10+ devices with over 8GB of RAM has also been rebuilt to provide a more stable experience which is up to 8.5% faster when loading pages and results in a 28% smoother scrolling and input latency.

The latest addition allows Chrome mobile to start 13% faster with freeze-dried tabs, or lightweight tabs similar in size to a screenshot, but which can scroll, zoom, and be tapped (for links). This version, shown above, is used while the actual tab loads in the background.

Learn more about Google Chrome:

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