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10.8 GM - lag improvements?

R

rikbrown

macrumors regular
Original poster
Jun 29, 2010
214
0
Please do not reply to this thread if you are one of the people who "do not" have (or cannot perceive) UI stuttering/lag on the rMBP. Please continue reading if you are having a problem with this.

Simple question... for those of you who've been using 10.8 DP4 and have now upgraded to GM (I'm not home so can't do it myself), is it any better?
 
I just posted the same question in the ML sub-forum, if anyone says ill post it here.
 
Yes. Didn't see this post. Posted a new one.

The lag is definitely gone, at least for me. I have been bothered by the lagging, especially with my old uBMP without any lagging on the same web sites.
 
From the GM thread in OSX forum:

Okay I just installed it, and between browsing MacRumors, the forums here, and I scrolled around on Facebook too, and I'm not seeing any sort of lag on the scrolling. Now, I didn't try using Chrome while on Lion so I have nothing to really compare it to, but like I said, I'm not seeing any lag here.
Click to expand...

Scrolling on the rMBP is night and day on 10.8 compared to Lion! Wow. I'm so glad the rumors were true. Silky smooth.
Click to expand...

Quote:
Originally Posted by austinguy23
So scrolling the FB newsfeed and some other sites is no longer choppy as others complained about when the retina MBP came out?
It doesn't seem to be (choppy), that's for sure.
Click to expand...

Leaving the thread now as it has turned into an argument about piracy. Seems promising though.
 
I've been a Mac developer since 2007. Working on all low level coding with C/C++. ObjectC was barely used as I din't need to work on GUI.
 
I believe Apple optimized their iGPU driver. Even with the integrated HD4000, the UI is very smooth now.

For general usage, I've just used it for a couple of hours. So far, it's smooth as butter, without even calling the dGPU.
 
Damn, I need videos. I might just return the cMBP I just bought and get a Retina if the lag is really gone. I mean REALLY gone.
 
vanc said:
I believe Apple optimized their iGPU driver. Even with the integrated HD4000, the UI is very smooth now.

For general usage, I've just used it for a couple of hours. So far, it's smooth as butter, without even calling the dGPU.
Click to expand...

Hopefully this puts to bed.

Just need someone to demonstrate it to the community with Quartz to finally silence the issue. The only thing which worries me over this issue is that it shouldn't have been there in the first place, maybe it's me being negative but it is slight evidence that the design/hardware team have been slightly out of sync with each other during the development stages.
 
I'm hoping for some videos soon... has anyone found any yet?
 
I'm also interested to hear if there are improvements to the lag issues in the UI on events like entering/exiting Mission Control, swiping to change spaces, entering full screen mode, things like that.
 
marvin4653 said:
I'm also interested to hear if there are improvements to the lag issues in the UI on events like entering/exiting Mission Control, swiping to change spaces, entering full screen mode, things like that.
Click to expand...

Yep that's what I'm most interested in knowing.
 
Apple are now using Core Animation to handle scrolling in 10.8 - this is why it no longer lags.
 
Well lag is still there for me in 10.8.dp4, i am gonna try to get the GM today and see if that fixes anything at all, btw i made a clean install and i was using gfxcardstatus to have the nvidia active all the time. Scrolling onto facebook or pretty much everywhere is crappy, i might do a video when i get home.
 
I just installed the GM build -- upgraded from Lion. I can confirm that the scroll lag is fixed (theverge.com scrolls much, much quicker and smoother now).
 
http://youtu.be/q8M8v_1kTHo

Took a 1 min video so that you can judge for yourself. Scrolling on theverge.com isn't 100% perfect, but compared to the scroll performance on Lion it is like night and day.

I never really noticed any general UI lag (full-screen safari, iphoto, etc.), so I can't really comment on that. Hopefully the video shows you whatever you need to know.
 
I guess my fears were unfounded. It was silly to think Apple would release their best Mac to date, with such a big problem. Great to hear it's fixed, though I'm still curious how it will compare to non-Retina Mac's.


TriHFH said:
http://youtu.be/q8M8v_1kTHo

Took a 1 min video so that you can judge for yourself. Scrolling on theverge.com isn't 100% perfect, but compared to the scroll performance on Lion it is like night and day.

I never really noticed any general UI lag (full-screen safari, iphoto, etc.), so I can't really comment on that. Hopefully the video shows you whatever you need to know.
Click to expand...

The Verge isn't smooth on my high-end gaming PC, so that's not a big problem. What's it like on Facbebook though?
 
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