The performance of the iPhone 6 decreased dramatically after tinkering vulnerability Spectre

iPhone 6 Plus

We have already heard that patching your vulnerabilities Meltdown and the Spectre of newly discovered in many of the products will have a negative impact on the performance of the devices, especially older devices. Still being to study the size reduction, but the early results don’t look good.

In at least one case, has been monitoring the Processor Apple A8 in the phone iPhone 6 loses 40% of its performance after the upgrade from iOS 11.1.2 to iOS 11.2.2. It has been a test of the phone iPhone 6 by Melvin Mughal which got the following results on his phone before and after update :

Before the update Spectre After the update Spectre Change in performance
The type of iPhone iPhone 6
The version of the operating system iOS 11.1.2 iOS 11.2.2
The result of the test nuclear one 1561 924 -41%
The result of the test nuclear multi 2665 1616 -39%

Performance processor Apple A8 affected by whether the test of the nuclear one or the test of multiple cores, and large. This was expected given that all vulnerabilities two security use two cache for the Processor. Since the test was on the same phone, the results were not affected by the performance of the battery. However, this makes it difficult to collect more data.

Source.

 

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