![]() Fine tuning iframes: ".we fine-tuned the garbage collection and memory compression heuristics for recently created iframes. We implemented similar optimizations for changes to the Chrome UI." ![]() We modified Chrome to detect those early and bypass the unnecessary style, layout, paint, raster and gpu steps. Eliminating unnecessary redraws: "We navigated on real-world sites with a bot and identified Document Object Model (DOM) change patterns that don't affect pixels on the screen. Meanwhile, Google uses this open-source benchmarking suite to run tests, and says that users will also "see performance gains on older models." Four changes from waking the CPU less often to tuning memory compression are specifically credited: It showed that you can "browse for 17 hours or watch YouTube for 18 hours." For comparison, Apple touts up to 17 hours of wireless web browsing, and up to 20 hours Apple TV app movie playback. ![]() 9to5Google reports: Google conducted testing on a MacBook Pro (13", M2, 2022 with 8 GB RAM running macOS Ventura 13.2.1) with Chrome 1.100 in February of 2023. After widely rolling out an Energy Saver mode, Google has made four optimizations to Chrome for Mac that allows the browser to match the battery life you get when using Safari.
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