@stringerhye looks like we have an answer! Our i9s will do your test about a minute faster! Keep your baby.Total render time was 07:20. The machine started ******** the bed at the 4 minute mark.
Thanks @karanlyons
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2018 i7 MacBook Pro throttling discussion.
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Thanks @karanlyons
It’ll likely fare worse on longer tests as well, as after the four minute mark the CPU falls apart.
Total render time was 07:20. The machine started ******** the bed at the 4 minute mark.
Thanks for doing that! Is your model the 16GB or 32GB? 2.9 i9 or 2.6 i7?
Ohhhh...lol! All along we were looking to get results from an i7 2.6. @stringerhye seems to be getting a bit faster times than you though. Is that orrrct @stringerhye?
Ah damn. Haha. Yeah I need a 2.6GHz to compare it to. I am getting roughly 7 Mins on average now if I do them in series and run up the heat.
Another interesting fact came up when I was messing around with the memory reserve settings in After Effects. Even limiting the RAM down to only 4GB available for After Effects it seems though the amount of RAM has no impact on render times. It might help with other things like RAM preview, or having multiple apps open but at least for After Effects and rendering it doesn't matter.
Still would love to see a 2.6GHz AE benchmark.
Has anybody heard of reports of Apple capturing i9 units for testing? No doubt they are investigating.
They don’t need to capture units, they can literally use any machine they’ve built with this chip.
I will this week. Tell me what I have to do and if I muster up enough care I’ll run a test.
https://forums.macrumors.com/thread...-explanation-of-apples-engineering-f.2128936/
Anyone tried this? This tool is much more powerful than Volta as it not only have unlocked power limit, but also levels of power limit making you take full advantage of the turbo boost! It boosted the 2.2 i7 chip to 1050~1100 on Cinebench!
Anyone tried this? This tool is much more powerful than Volta as it not only have unlocked power limit, but also levels of power limit making you take full advantage of the turbo boost! It boosted the 2.2 i7 chip to 1050~1100 on Cinebench!
I'm not willing, since I don't fully understand the solution and what the OP wrote in that thread may be specific to the i9 so I may cause more harm if I implement that solution. I'm very happy with what I have now and while that OP's solution may be what Apple does in some form, down the road. I don't understand it enough to embrace it for my machine
The 2.2 should be able to do well over 1000 with no modification. I’m disappointed it doesn’t.
Thanks! Here’s a benchmark file to run. If you just follow the steps in the video that should do it.
OP was using a 2.2 i7 actually that’s why his turbo boosted to about 4.3 GHz. This btw is just as Volta just doesn’t look as good because of the lack of the GUI.
What is even better in this tool is that it doesn’t auto start after rebooting the Mac which makes it a little safer to use. OP did state that he will later post a guide on how to make it start at boot though.
I get what you mean though, tinkering with such stuff can be scary sometimes because the devices are still new and we don’t want to damage them :/
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True and Apple did a really bad job at it. Doesn’t hurt for those who already fell in the trap to fix theirs manually till Apple does it.
I'm not denying the usefulness of the tool, but rather my unease, and yes the UI, is part of what drives my uncomfortable feeling. I'll re-review that thread, but I thought he was doing his thing on the i9 but I've been wrong before.
Do you guys (cynicism aside) think this issue is big enough/drama enough that Apple has to make a statement or addresss it (even silently)?
Oh hell yes. They need to do something. It would look very bad it users can hack the things into better performance in about a week and they do nothing to address the issues
It's possible that they will do something quietly kind of like the keyboard fix. I wonder how soon they'll do something though.
Well I dunno. I can tell you this - I've owned maybe 10 macbooks over the years. So far I'm not buying one of these new ones, and giving real though to getting a Dell. I will be watching carefully for Apple's response to this issue and it will factor into my eventual decisions.
Nothing is too big for Apple. If they want to ignore it, they will. Hopefully they don’t though and get on it fast.
The good news is that this should be an easy software fix on Apple’s part.
TLDR version of the i9 thread:
Intel chips have a firmware/software configurable TDP limit, even though they are nominally rated for 45W in this case. The chips can turbo higher than 45W for “short bursts” and OEMs can also dial down the TDP, limiting the chip to something below (or above) 45W.
In order to maximize performance, Apple has decided to not enforce any wattage limits (in firmware/software), instead deciding to let the CPU thermal throttle when necessary i.e. when the CPU reaches 100C, which was fine in previous iterations of this machine. However, Coffee Lake can draw much more power than 45W. When left to its own devices, can potentially pull 60-100W during turbo. This is beyond what the MacBook Pro can provide from its power delivery circuitry (the voltage regulation module, or VRM), cause the laptop to power throttle before it reaches its thermal throttling point.
What Apple simply needs to do is issue a patch that configures the software TDP limits of the chip to 45W steady-state and 1.25 x 45W = ~55W turbo (per Intel’s technical datasheet recommendations). The tweak being discussed in the other thread is simply the same thing being done using a user-developed software module that requires disabling SIP to run, due to macOS’s security model.
TLDR version of the i9 thread:
Intel chips have a firmware/software configurable TDP limit, even though they are nominally rated for 45W in this case. The chips can turbo higher than 45W for “short bursts” and OEMs can also dial down the TDP, limiting the chip to something below (or above) 45W.
In order to maximize performance, Apple has decided to not enforce any wattage limits (in firmware/software), instead deciding to let the CPU thermal throttle when necessary i.e. when the CPU reaches 100C, which was fine in previous iterations of this machine. However, Coffee Lake can draw much more power than 45W. When left to its own devices, can potentially pull 60-100W during turbo. This is beyond what the MacBook Pro can provide from its power delivery circuitry (the voltage regulation module, or VRM), cause the laptop to power throttle before it reaches its thermal throttling point.
What Apple simply needs to do is issue a patch that configures the software TDP limits of the chip to 45W steady-state and 1.25 x 45W = ~55W turbo (per Intel’s technical datasheet recommendations). The tweak being discussed in the other thread is simply the same thing being done using a user-developed software module that requires disabling SIP to run, due to macOS’s security model.
Perhaps that's why The Volta app with a power limit of X watts works very well, i.e., its capping the wattage, I suppose even turbo boost.