5.0.4 Performance Issue (Similar to D3 Beta)
This is really annoying... Can't we just go back to how it was pre-patch so we can at least play? :(
I was curious about this too. Is there any way to revert back to 4.3? Or will everything just break?
BTW, I'm now running on a dual fan cool pad with a fan on my MBP with settings all scaled back. Hanging in there at 195F! woo.
No response on twitter from Blizz support.
Personally, I haven't noticed this being, "a thread that some users have just been off the wall in". Some of us may be a little agitated, but there's been a lot of useful information posted, even a possible workaround for the technically competent, and brave, to try out. Hopefully there will soon be a blue post telling us the problem has been solved.
Killing that one thread knocked down the CPU usage by 100% (down to 150ish%) and the GPU down to 40-55%. And as Growltiger noted and I confirmed, the suspect thread had far more user time than system time, which it should not have had. On average the faulty threads had nearly 2.5x user time to system time ratios. Each of the four cores I have using 65% simultaneously is definitely something WoW has not ever done before. It even brought those cores to 50°C, and I've never seen them get that hot before, especially with fans at 1000 RPM. I wasn't even able to achieve those temperatures when running PowerFractal at maximum resolution and iterations.
Neither the MB/MBPs nor the iMacs were designed to run at max GPU load and super heavy CPU load like this, at least not without massive external cooling solutions. And since our hardware did not change, but the software did, and we've discovered the thread causing it, the evidence pretty much speaks for itself here.
Edit: BTW Omegal, software most certainly can cause hardware to fry itself. If a thread gets put into a WAIT state, but is stuck in an endless runtime loop, guess what's going to happen? Hint: It's the opposite of cooling down. :) That's why our temps and CPU/GPU usage drop so dramatically when we use gdb to suspend the thread completely.
08/30/2012 09:50 AMPosted by MîåsmaNot to say it's been fixed, but I'm not experiencing the dancing pixels as bad as yesterday. Still ranging from 105%-170% in game. Hope to see a fix soon.
100-170% is WoW's normal range for CPU usage. You're fine on that front. It's the 250%+ CPU and 100% GPU usage that's got me worried, especially when it is in scenarios where the GPU isn't even supposed to be taxed that much, nor the CPU. Even at MaxFPSbk 8 (yes, just eight), WoW remains at 250% usage. So there's pretty clearly a bug happening here.
Not only have some of the people in this thread found the offending process, but have figured out (for the code savvy) a way to fix it.
I really don't appreciate Omegal coming in here and saying 'there is no problem, your computers just suck, lol apple'. How did this guy get to be a MVP anyway? All he ever does is pooh pooh your issues and insist all of the problem is on the user end of the screen.
08/30/2012 08:59 AMPosted by Omegalnow Macbook's, another story. Apple designs them so poorly that they do overheat under max load for prolonged period of time for some models, from ANY program. is that programs fault though? no. that's apples.
Another amazing quote from Omegal.. Its Apple fault blah, blah blah..... same old story..... blah blah blah..... Blizzard will get to it.... blah blah blah MacBook pros are at fault..... blah blah blah.....
You need a new speech Omegal. That is the same statement you made to me about MacBook Pros when I tried to tell Blizz they had a problem with overheating Macs on the Diablo 3 beta. Somehow Blizz managed to find and fix the problem and now I run D3 with good FPS and no overheating AT ALL. I guess the problem WAS with the code and NOT with my MacBook Pro after all. But you will never admit that here in the forums.
If you have nothing more constructive to add I think I will continue to blame the code......
I'm confident that Blizzard will fix the issue, I just hope it happens sooner rather than later. I have ordered a laptop cooling pad to help as mitigation in the short term.
Mind you, "better" means 165º temps instead of 175º-180º. Load on the CPU is consistent still at about 170% however, and I wonder a bit if running fans at very high levels might actually be counterproductive since each of them has a motor that in its own way adds heat and/or load.
On the -upside-... I have noticed the 64bit client seems to run more smoothly than Cata did, in general.
Kinda defeats the point of having a beta test if you change something so significantly at launch that it basically breaks the game and possibly fries people's computers. Not cool, Blizzard, literally.
08/30/2012 10:26 AMPosted by GirdenBut now my rMBA is sitting on 83C which is far less terrifying than the 99C it runs at at my usual settings.
@Girden - Dude, running a laptop at 83C for more than a short period will significantly shorten the life of your computer (and the battery!). There's a reason people see stuttering frame rates and outright lockups after a few hours at that temp.
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