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If you can show the Apple Store front page shown by the other enterprising forum member in addition to Facebook, that would be fine I think.

It's true that my logic would be flawed in an ideal world. I guess I don't have to point out that we don't live in an ideal world... So the only real logic is facts, and only one side has facts so far.

Show all the OSX UI eye-candy that you can!

Expose, Mission Control, fullscreen on different apps, workspace switching, minimizing, expanding, moar mission control! Dock-apps-magnifying. Stuff like that.

The simple stuff the air and the matte screens do so snappy and without trouble of any kind!

Your wishes are my command...

http://www.youtube.com/watch?v=5JtAMwB1P9Y

I didn't upload in HD as my connection is not that great (you can see my internet is pretty slow when loading the Apple page), but you're here to see the fluidity, not the clarity.

Both of the Apple videos I was playing simultaneously in QuickTime were 1080p resolution (1920x1080). Even so, Expose was relatively smooth and it stayed on the integrated HD4000 the entire time (did not switch to the 650M even once).

I only have my iPhone's camera on me right now, and 30fps isn't the best way to demonstrate UI smoothness, but you get the general idea. It's buttery smooth to the naked eye.
Sorry I can't show you Facebook, but there is a bit of lag there.

I did forget to show app minimizing, so I'll make another video if you want. Just LMK what applications you want me to demonstrate.

StuckInCustoms.com is a great website for wallpapers, and all of the images are high resolution (along with a lot of embedded youtube clips), and as you can see there's little to no lag on that website. (that's where my Paris wallpaper is from by the way)
 
No, but most are using Lion as the current standard and some chiming in with reports of no lag explicitly say they're using Lion or using it at a store (which would be running Lion).

Just to be clear, I'm a fence sitter waiting for the mainstream to get Mountain Lion and hear the consensus then before I order.
 
When I first got my rMBP, I went looking for scroll lag because it wasn't obvious. The lag is very slight if any. I also tested a site today on my work PC which is Dell/Windows 7 and it has a very slight lag on the same website that my rMBP experienced a slight lag.
 
Your wishes are my command...

http://www.youtube.com/watch?v=5JtAMwB1P9Y

I didn't upload in HD as my connection is not that great (you can see my internet is pretty slow when loading the Apple page), but you're here to see the fluidity, not the clarity.

Both of the Apple videos I was playing simultaneously in QuickTime were 1080p resolution (1920x1080). Even so, Expose was relatively smooth and it stayed on the integrated HD4000 the entire time (did not switch to the 650M even once).

I only have my iPhone's camera on me right now, and 30fps isn't the best way to demonstrate UI smoothness, but you get the general idea. It's buttery smooth to the naked eye.
Sorry I can't show you Facebook, but there is a bit of lag there.

I did forget to show app minimizing, so I'll make another video if you want. Just LMK what applications you want me to demonstrate.

StuckInCustoms.com is a great website for wallpapers, and all of the images are high resolution (along with a lot of embedded youtube clips), and as you can see there's little to no lag on that website. (that's where my Paris wallpaper is from by the way)

Thanks for the website, I checked it out, and it's great!

PS. thanks for showing the Youtube vid. I ordered the same machine and I can't wait to play with it.
 
GPU acceleration fixes the scrolling lag, its called "Smooth Scrolling"

Currently its the CPU that deals with it and maybe its worse on the 2.3 v the 2.6ghz model?

I found that on Chrome its smoother on my 2.66ghz dual core than it is with Safari.

I expect Safari is the problem. Nothing else

I can make my CPU use 40% of its power just by scrolling down facebook quickly in Chrome
 
Sounds like you need to return yours, as others are fine...
Not the Retina 15 I used at the store to see, even playing with the settings/screen ratios there was def stutter in Safari scrolling and smaller but still noticeable lags here and there elsewhere. Didn't get to try in Chrome but others said it exist there too. It's not bad enough to make the computer unusable, just enough to make it annoying lol. Hopefully next update fixes this.
 
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After hearing about it, I went to the local Apple store to see if I could notice it. To be honest Its not obvious, I used safari and then iphoto to see if I could notice it.

I then jumped on a non retina MBP next to the retina and tried going to the same web pages, I think I was on www.skysports.com and noticed that the non retina MBP was much smoother, and the most obvious stutter is when you minimise the window using the + button on the web browser. While the retina stuttered, the non retina was smooth.

At least I know what people are talking about now. I hope this is a Software issue and not HD4000 not being able to handle the resolution demands of the new display, if its a hardware limitation, that would be a deal breaker for me. Like the first AIRs that struggled with youtube videos, held out for rev B.
 
I got my 2.6/16/512 a couple days ago, and the scroll lag was one of the very first things I noticed. I've been a MBP user for years so I was able to easily distinguish the scroll/animation lag. It's definitely there. Using Lion both Safari and Chrome lag when scrolling, and even when I scroll in my Terminal screen, there's a lag. The feeling is like the reaction of the scroll to your fingers on the trackpad is slightly delayed, maybe by 100ms or so. Scrolling on my 2011 MBP model (Sandy Bridge) is much more responsive and much more apparent when you can try both side by side.

I installed ML Developer Preview 4 last night, and it does indeed fix a lot of the lag, but ONLY in Safari (Anand mentioned that Safari makes more use of Core Animation). With Chrome Canary the scroll lag is still present, same as regular Chrome under Lion. I also still have lag when I resize the Safari window, or any window for that matter.

I'm using gfxCardStatus, and I can see no difference in scrolling whether I use the HD400 or the GT 650M.

I also get some weird glitchy effects on some websites, sometimes letters and icons just randomly disappear. During some animation effects, like the fan-out when I click on the Documents folder in the dock, makes some other icons in my dock get distorted for a moment while the animation is playing. This could just be ML being in beta though, I don't know.

The lag is noticeable enough to be annoying, especially for those who have owned and used MBPs before on a regular basis. I have a hunch that the people who are saying they don't experience any lag don't have as much experience with previous generations of MBPs.
 
Your wishes are my command...

I did forget to show app minimizing, so I'll make another video if you want. Just LMK what applications you want me to demonstrate.

Show Launchpad, Mission Control, App Expose. All those things have animation stutter on my rMBP.

On another note, the other posters are still liars. They said they went to the Apple Store and saw this. The Apple Store computers aren't running the Mountain Lion Developer Preview are they?

I still saw a stutter here and there, but it's a whole shedload better than Lion. Not quite up to the standard set by the i7 iMac though.

All in all not bad. I look forward to spending another $19.99 to fix my $3,000 computer. Unless of course it comes pre-loaded on the replacement, which would be optimal.
 
Show Launchpad, Mission Control, App Expose. All those things have animation stutter on my rMBP.

On another note, the other posters are still liars. They said they went to the Apple Store and saw this. The Apple Store computers aren't running the Mountain Lion Developer Preview are they?

I still saw a stutter here and there, but it's a whole shedload better than Lion. Not quite up to the standard set by the i7 iMac though.

All in all not bad. I look forward to spending another $19.99 to fix my $3,000 computer. Unless of course it comes pre-loaded on the replacement, which would be optimal.

I did show Launchpad, MC and Expose in that video. All with no stuttering. Some stuttering with two 1080p videos open, but that was fixed when I enabled the 650M. I was asking the other guy what applications he wanted me to show the minimize animation with.

No, the other posters are not liars. They may very well have had a different experience from you. Like I said, not everything in this world is black and white. Especially in a non-ideal world as you described, actually.

If you genuinely believe that everyone other than you is wrong, you should take a step back and reexamine yourself. You won't get very far in life with that kind of mentality.

All Macs purchased after WWDC are going to get Mountain Lion free of charge- just download it off the App Store when it's released.
 
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GPU acceleration fixes the scrolling lag, its called "Smooth Scrolling"

Currently its the CPU that deals with it and maybe its worse on the 2.3 v the 2.6ghz model?

I found that on Chrome its smoother on my 2.66ghz dual core than it is with Safari.

I expect Safari is the problem. Nothing else

I can make my CPU use 40% of its power just by scrolling down facebook quickly in Chrome


Is mountain lion smoother scrolling wise then because the GPU is doing all the scaling work rather than the way it is now with lion (The graphics and scaling is handled by both the GPU and a but of the CPU)? I still don't fully understand exactly how the scaling is handled by the GPU and CPU do I apologize if that is an obvious answer question.

I'm will debating whether to get a rmbp or wait for the next generation. If mountain lion fixes the lagging hat people describe I will most likely buy one. From the video, ML seems to make scrolling great.

To the person who posted the video could you check the frame rates of what you were getting with ML on your RMBP vs a non-rmb if you happen to have both as a comparison?
 
Own a 2.3/16 there IS noticeable lag...

I'm a software dev... I gotta say I am a bit annoyed by the lag thing ( it happens in some websites using Safari or Canary with all the GPU things enabled ) . It also happens in iTunes, the App Store...

Not happy at all about it.
 
No, the other posters are not liars. They may very well have had a different experience from you. Like I said, not everything in this world is black and white. Especially in a non-ideal world as you described, actually.

If you genuinely believe that everyone other than you is wrong, you should take a step back and reexamine yourself. You won't get very far in life with that kind of mentality.

All MacBooks purchased after WWDC are going to get Mountain Lion free of charge- just download it off the App Store when it's released.

Oh, I probably should have watched the whole video, my bad. I have to admit I was busy and just watched until it appeared it was going nowhere else.

The facts support the conclusion that those posters are liars. We have video of Lion stuttering, and video of Mountain Lion running smoothly. The discussion was never about the root cause, it was about the fact of whether the available rMBP running Lion has animation stutter or not. From where I'm sitting it's pretty definitive, those posters are liars, you're at least misleading, and the rest of us who aren't running Beta software (or are we?) are just waiting for Apple to fix our computers.

The end.
 
I had a 2.3 GHz base model for a week and had lag. I exchanged it for a 2.6 Ghz model because I wanted 512 GB SSD. I noticed that the lagging is minimal to non existent in the 2.6 Ghz model compared to the 2.3 Ghz model. That's probably why some people are noticing it more than others.
 
UPDATE!

So after I wrote the post above I remembered reading something in these forums about letting Spotlight finish indexing.

I clicked on Spotlight and it said it was indexing my computer with 77 minutes left, but it wasn't moving. An hour later and it was still at 77 minutes left, so I figured something was wrong. Activity monitor showed Finder at a constant 30% CPU usage.

I restarted the computer, and then I followed this Apple guide on how to re-index Spotlight: http://support.apple.com/kb/HT2409

This time the indexing actually went and it only took about 15 minutes.

Now, Safari is butter-smooth (with Facebook still not optimal, but who the **** cares), and Chrome Canary is not quite as smooth but MUCH, much better.

I'm a happy customer!
 
Oh, I probably should have watched the whole video, my bad. I have to admit I was busy and just watched until it appeared it was going nowhere else.

There's a few more links to more videos I've uploaded here, you should find ML to be a decent solution.

The facts support the conclusion that those posters are liars. We have video of Lion stuttering, and video of Mountain Lion running smoothly. The discussion was never about the root cause, it was about the fact of whether the available rMBP running Lion has animation stutter or not. From where I'm sitting it's pretty definitive, those posters are liars, you're at least misleading, and the rest of us who aren't running Beta software (or are we?) are just waiting for Apple to fix our computers.

The end.

Pray tell me how I was misleading?

I can't change how you want to think, but just know that kind of 'this is how it is, you're wrong, the end' attitude gets people nowhere.
 
There's a few more links to more videos I've uploaded here, you should find ML to be a decent solution.



Pray tell me how I was misleading?

I can't change how you want to think, but just know that kind of 'this is how it is, you're wrong, the end' attitude gets people nowhere.

I'm pretty sure you either consciously forgot to mention, or subconsciously forgot to mention that you were running Mountain Lion.

I've been trying not to think so much honestly. Instead I've been focusing on actionable true/false statements. There is no gray, if something is gray, it's not true, definitively. One might say it's "good enough", but factually speaking truth was not achieved.
 
Your wishes are my command...

http://www.youtube.com/watch?v=5JtAMwB1P9Y

I didn't upload in HD as my connection is not that great (you can see my internet is pretty slow when loading the Apple page), but you're here to see the fluidity, not the clarity.

Both of the Apple videos I was playing simultaneously in QuickTime were 1080p resolution (1920x1080). Even so, Expose was relatively smooth and it stayed on the integrated HD4000 the entire time (did not switch to the 650M even once).

I only have my iPhone's camera on me right now, and 30fps isn't the best way to demonstrate UI smoothness, but you get the general idea. It's buttery smooth to the naked eye.
Sorry I can't show you Facebook, but there is a bit of lag there.

I did forget to show app minimizing, so I'll make another video if you want. Just LMK what applications you want me to demonstrate.

StuckInCustoms.com is a great website for wallpapers, and all of the images are high resolution (along with a lot of embedded youtube clips), and as you can see there's little to no lag on that website. (that's where my Paris wallpaper is from by the way)

Great post. I wish there were more like you with whom you can discuss in a great, informative manner.

There are too many on these internet boards who cannot articulate themselves or think outside their own experience. For them, anybody who doesn't have the same experience as them - they must be wrong. The rudest ones of those express this inability by calling others "liars".


UPDATE!

So after I wrote the post above I remembered reading something in these forums about letting Spotlight finish indexing.

I clicked on Spotlight and it said it was indexing my computer with 77 minutes left, but it wasn't moving. An hour later and it was still at 77 minutes left, so I figured something was wrong. Activity monitor showed Finder at a constant 30% CPU usage.

I restarted the computer, and then I followed this Apple guide on how to re-index Spotlight: http://support.apple.com/kb/HT2409

This time the indexing actually went and it only took about 15 minutes.

Now, Safari is butter-smooth (with Facebook still not optimal, but who the **** cares), and Chrome Canary is not quite as smooth but MUCH, much better.

I'm a happy customer!

Great! I hope some get the message that problem solving is better than whining.

Have fun with your new computer!
 
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own a 2.3/16 there is noticeable lag...

I'm a software dev... I gotta say i am a bit annoyed by the lag thing ( it happens in some websites using safari or canary with all the gpu things enabled ) . It also happens in itunes, the app store...

Not happy at all about it.

+1
 
Great post. I wish there were more like you with whom you can discuss in a great, informative manner.

There are too many on these internet boards who cannot articulate themselves or think outside their own experience. For them, anybody who doesn't have the same experience as them - they must be wrong. The rudest ones of those express this inability by calling others "liars".




Great! I hope some get the message that problem solving is better than whining.

Have fun with your new computer!

You choose to lie and spread lies, you will be called out for that in most situations, not just on the internet.
 
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