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iOS 12 multi core performance drop

1BadManVan

1BadManVan

macrumors 68040
Original poster
Dec 20, 2009
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beta 5 and now the latest official release my multi core score has dropped 1000 points from 10,500 to 9,500

Anyone else experience this? This is on an iPhone 8 Plus. Not a fan of this, I’ve noticed just when switching between pages it hangs up a bit in between.
[doublepost=1540932606][/doublepost]This is the highest I’ve gotten so far since the new update that’s with all apps closed on background and a hard reset
 

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BugeyeSTI said:
Doing a Geekbench performance test after you download a update is a great way to get an inaccurate reading. Try again later tonight or tomorrow and it will be back to normal
Click to expand...
I doubt it because I was beta 5 since the day it was released and got the same results last night on it but I will redo tomorrow to confirm
 
BugeyeSTI said:
Your device is still indexing and doing things in the background for a few hours after an update, that effects the cpu performance..
Click to expand...

The urban legend indexing will never die :)

Indexing is a matter of a few minutes. You can watch on every windows system (much larger os!) that this only takes a few moments, and this is what happens on your device after it shutdowns and shows the apple logo and the progress bar.

Once the iOS is back and running, all indexing is done. Your personal data index is a seperated part, this isn’t reindexed, as there is no change in that.
 
BugeyeSTI said:
Your device is still indexing and doing things in the background for a few hours after an update, that effects the cpu performance..
Click to expand...
I am aware but this performance issue has been going on for a week now with beta 5 as well and I’ve ran Geekbench before shortly softer updating the same day and never had this massive performance drop

Has anyone else ran it on their iPhone 8 or x to see if they experience the same?
 
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cola79 said:
The urban legend indexing will never die :)

Indexing is a matter of a few minutes. You can watch on every windows system (much larger os!) that this only takes a few moments, and this is what happens on your device after it shutdowns and shows the apple logo and the progress bar.

Once the iOS is back and running, all indexing is done. Your personal data index is a seperated part, this isn’t reindexed, as there is no change in that.
Click to expand...
I personally never run benchmark tests for a few days after an update so I have no personal experience with the performance loss but, many people complain of low benchmark scores as well as poor battery performance after an update that usually straightens itself out after time so something’s going on
[doublepost=1540936190][/doublepost]
UnLiMiTeD558 said:
No I am aware but my convern

I am aware but this performance issue has been going on for a week now with beta 5 as well and I’ve ran Geekbench before shortly softer updating the same day and never had this massive performance drop

Has anyone else ran it on their iPhone 8 or x to see if they experience the same?
Click to expand...
You may have to restore using iTunes and see if that helps any.
 
BugeyeSTI said:
I personally never run benchmark tests for a few days after an update so I have no personal experience with the performance loss but, many people complain of low benchmark scores as well as poor battery performance after an update that usually straightens itself out after time so something’s going on
[doublepost=1540936190][/doublepost]
You may have to restore using iTunes and see if that helps any.
Click to expand...
No laptop at my home anymore, between phone and tablets when my last one kicked the bucket I never bothered getting another lol

Might just wipe the phone and restore it if this is still underperforming tomorrow
 
I was getting multi core tests of around 9500 on my X, did an Alt update on my Mac and was still getting a low score, left my phone on its charger for an hour or so and did another test and got the following.

994777d588a6cea40706c61bb2294355.jpg
 
Broken Hope said:
I was getting multi core tests of around 9500 on my X, did an Alt update on my Mac and was still getting a low score, left my phone on its charger for an hour or so and did another test and got the following.

994777d588a6cea40706c61bb2294355.jpg
Click to expand...
Good to know, sitting on the car charger right now and going to test when I get home. Hope for the best, thanks for sharing!
 
cebixd said:
iPhone 8, iOS 12.1
Click to expand...
So what do we think is causing this issue on mine? Still no change
[doublepost=1540944849][/doublepost]Single score is right where it needs to be but multi core won’t budge
 

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UnLiMiTeD558 said:
So what do we think is causing this issue on mine? Still no change
[doublepost=1540944849][/doublepost]Single score is right where it needs to be but multi core won’t budge
Click to expand...
Did you try hard reset? Idk how to envoke that on i8 and up, i used to have 6s, usually you just hold power and home button
 
cebixd said:
Btw why are you consern about the numbers? Is your device fast? Responsive? Opening apps like the iPhone 8 should? No need to worry
Click to expand...
Actually what prompted me to run the benchmark was because it hangs up a bit when switching between recent apps and when going back on webpages, it hangs for a second before it would respond

This obviously was never an issue for me on my 8 plus. And no I don’t mean opening a million apps and seeing how many stay open. I mean switching back and fourth between two apps. Like Facebook and messenger, YouTube and safari, safari and my two factor authentication app etc... Things I’ve always done and recently the phone struggles a bit.

I’m aware 9700 is still a high number for a multiscore but there’s obviously something going on behind the scenes to knock down 1000 points and seems to be effecting day to day performance

This phone was just freshly redone not even a month ago as well. Since beta 5, somethings not happy
 
My Xs max seems to be quick on 12.1 beta 5.
 

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Haven’t touched anything
[doublepost=1540960511][/doublepost]Still not up to par but see what happens.
 

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I have done this test a few time within one hour without doing anything special and got scores from 9154 to 10240.
 
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