Facebook Addresses iOS App Battery-Life Issues

Facebook addressed battery-life issues that had been hampering its flagship iOS application by fixing two bugs.


Facebook addressed battery-life issues that had been hampering its flagship iOS application by fixing two bugs.

Engineering manager Ari Grant explained the fixes in a Facebook post:

The first issue we found was a “CPU spin” in our network code. A CPU spin is like a child in a car asking, “Are we there yet? Are we there yet? Are we there yet?,” with the question not resulting in any progress to reaching the destination. This repeated processing causes our app to use more battery than intended.

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