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Retina iMac + Mission Control: Post your experience

I worked with a senior advisor from Apple Support last week to document the issue and sent them video of it.

All of which seems pretty unnecessary to me, as anyone can walk in to an Apple Store and experience the same thing with absolutely any other Retina iMac, and absolutely no other Mac in the store.
 
Padmini said:
I worked with a senior advisor from Apple Support last week to document the issue and sent them video of it.

All of which seems pretty unnecessary to me, as anyone can walk in to an Apple Store and experience the same thing with absolutely any other Retina iMac, and absolutely no other Mac in the store.
Click to expand...

I agree all iMacs I tried in stores lag - I ordered the i7 and thought this would solve the issue but no changes. Now I ordered new RAM and hopefully this will hep but I more and more believe it's a bug.

Super annoying
 
marcel500 said:
I agree all iMacs I tried in stores lag - I ordered the i7 and thought this would solve the issue but no changes. Now I ordered new RAM and hopefully this will hep but I more and more believe it's a bug.

Super annoying
Click to expand...

RAM doesn't help. I have 32GB on my Retina iMac and the animations lag exactly the same as before (I had originally 16GB RAM)
 
petvas said:
RAM doesn't help. I have 32GB on my Retina iMac and the animations lag exactly the same as before (I had originally 16GB RAM)
Click to expand...

Likewise. Its not a performance issue. Its either a software bug, or a graphics card driver issue.

I can't understand how it could have anything to do with either though.

1. Mission Control works just fine on every other type of Mac with Yosemite.

2. Other tasks that actually utilize the GPU are working just fine, and are extremely impressive. Mission Control can't possibly be taxing on the GPU...my Mac mini with Intel HD 4000 has NO issues with Mission Control animation....but it doesn't hold a candle to the graphics performance in this machine.

The only thing I can assume is there are nuances with these new cards and new displays that have not been thoroughly tested/vetted by Apple, and can and will be fixed in future updates.

I mean, when has Apple ever released a new Mac new or new graphics card and not needed to update the firmware and/or graphics driver soon after?

I'm hopeful....but not patient, as nothing has ever been promised. I'm about to be outside the return window....I'm not going to be patient as my support window shrinks.
 
New RiMac delivered today. No issues with Mission Control. Silky smooth with 10-15 apps open.

(4Ghz i7, 8GB RAM, M295X, 3TB Fusion - factory install of Yosemite before I wipe/upgrade memory etc).
 
I think it's Yosemite, happens on my rMBP 13"

I have a late 2013 rMBP 13", MacBookPro11,1 with 16G and of course the SSD. Running with a 27" Cinema display, the animation for Mission Control is occasionally wacky slow. Exiting it takes nearly 10 seconds sometimes, and is instant other times.

This really seems to be Yosemite, not a particular hardware setup.
 
bjmoose said:
I have a late 2013 rMBP 13", MacBookPro11,1 with 16G and of course the SSD. Running with a 27" Cinema display, the animation for Mission Control is occasionally wacky slow. Exiting it takes nearly 10 seconds sometimes, and is instant other times.

This really seems to be Yosemite, not a particular hardware setup.
Click to expand...

I agree. Animations on a Retina iMac are not slow though. They stutter.
 
This is really strange. I am currently on an early 2011 MBP with 4 GB RAM and Mission Control runs perfectly smooth under Yosemite (about the only thing still running smooth though).
 
I want to see VIDEO from anyone claiming not to have this. I have no external monitors connected and have even done second clean install of Yosemite. The screen lag when queueing Mission Control is absolutely horrid. Sometimes the machine will pause for a 2 or 3 Mississippi count.

Mostly though it takes about 3-4 noticeable frames that I can visibly count.

Let me get ScreenFlow installed and I'll take a video of my own system.

----------

Just saw the video above after I posted. I'll upload mind here this afternoon so you can see the difference.

WTF :mad:
 
WilliamG said:
New RiMac delivered today. No issues with Mission Control. Silky smooth with 10-15 apps open.

(4Ghz i7, 8GB RAM, M295X, 3TB Fusion - factory install of Yosemite before I wipe/upgrade memory etc).
Click to expand...

Just received my today, and seems good to me as well. i5, 24GB RAM, M295X, 256 SSD
 
Why i just sent my retina iMac back :-(

Hi Guys, never posted before so be nice please!! I have a late 2013 top spec iMac i7, 1tb ssd, 32gb, 4gb graphics and also have a retina Macbook pro 15 2012. I am a pro photographer and a big part of my mac use is selling and displaying pics to clients with which i use mission control for. I bought the new iMac retina top spec, 295, i7, 1gb ssd, 32gb. Everything was fine and screen amazing of course, fans come on every time you play a game which is different to my 2013 model ( never heard that fan ever! ) but i could live with that. I also have a Samsung hd tv 46 (1080p) inch which i hook upto via Thunderbolt to HDMI cable. Well, i open up 30 - 40 images and use mission control to show them all and its extremely slow and clunky!! Not a problem at all on my other 2 macs even if i open 100+ images it is still smooth as butter!! All 3 computers using Yosemite.So thats a big problem which could be fixed maybe with a software upgrade BUT my other even bigger problem with the Retina iMac is when i connect it up to my Samsung 46 inch.. Both my older computers display 1920 by 1080 on the tv and 2560 by 1440 on the macs so everything is of course perfect HOWEVER when i connect it to my Retina iMac the Samsung its all bitty on the tv and looks TERRIBLE while the mac looks great?? I tried EVERY option i can think off to fix this external display problem but to no avail. The only way around it is to show both screens at the 1920 by 1080 res but its unworkable for my on the mac at that res :-(. So after 2 days of trying to fix these 2 issues i had to return it. My old macs work perfectly in both of those areas! I SO wanted to keep the RMAC. Very sad
 
EnderTW said:
Wow. Hmm.

Did anyone try 10.10.1 released to beta devs today?
Click to expand...

I'm waiting for it to actually appear in the dev center. So far only available to the exclusive Apple Seed crew.

And yea, I'm extremely curious/hopeful.
 
petvas said:
I don't see much of a difference after the update. Here is a small video I made:
https://dl.dropboxusercontent.com/u/7773358/iMac Lag Problem.mov

Update: After playing with it for a while after the installation of this update, I think it has become a bit better. It's not smooth, but it's faster at least. Transitioning between Spaces is also faster.
Click to expand...

This is pretty bad still, and more or less how mine looks. Maybe some slight improvements here because I do have more stutter but I wouldn't call this acceptable either. Damn.
 
ckeck said:
This is pretty bad still, and more or less how mine looks. Maybe some slight improvements here because I do have more stutter but I wouldn't call this acceptable either. Damn.
Click to expand...

I think it's better now, up to a point where I don't care that much anymore. Of course it is by no means smooth. At least it transitions fast and my biggest issue so far, transitioning between spaces seems to have improved. Maybe the next builds of 10.10.1 improve the experience even more.

This is the only issue of my Retina iMac, which is perfect. A really great computer, the best I had, despite the lag in Mission control.
 
No hint of it here. 8GB, 512SSD Samsung, core i5, 295x using my own logitech mouse and keyboard. Well, keyboard is Apple but a wired one as I like the num pad.
 
petvas said:
This is the only issue of my Retina iMac, which is perfect. A really great computer, the best I had, despite the lag in Mission control.
Click to expand...

I concur. I'm on 10.10.1 now as well and there is a slight improvement. Let's hope thats deliberate and an indication of further improvements to come.
 
Padmini said:
I concur. I'm on 10.10.1 now as well and there is a slight improvement. Let's hope thats deliberate and an indication of further improvements to come.
Click to expand...

Agreed. With 1-2 windows and 4k attached it's now smooth however with my usual workflow it's still slightly laggish enough to notice a hiccup on the animation.

Hoping for more improvement but I'm not convinced they'll get there. Oh well I'm happy with the machine!
 
It seems all the m295x users see no lag.

I have an m290x and there are obvious serious issues with mission control. Stutter and lots of lost frames. Hoping it's a coding error. I'm suspecting that the m295x is significantly more powerful and thus unaffected by poor coding.
 
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