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Photoshop next to useless on iMac Pro

Community Beginner ,
Dec 11, 2018

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My 5k retina iMac from 2014 was faster and more stable for Photoshop than the latest release on a 14 core iMac Pro with Vega 64 and 128gb RAM running Mojave. And yes, I've tried turning off GPU and a clean install but it makes no difference.

Layer styles seem to make the app almost unusable. How can Adobe release software with such poor performance issues?

Apps like C4D are incredible on this machine but Adobe apps feel like they're running on a ten year old computer on its last legs.

Is this a known issue and if so when are you going to do something about it and finally get your software to take advantage of modern processing power?

All the clever features you come up with are moot if the software doesn't work.

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Photoshop next to useless on iMac Pro

Community Beginner ,
Dec 11, 2018

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My 5k retina iMac from 2014 was faster and more stable for Photoshop than the latest release on a 14 core iMac Pro with Vega 64 and 128gb RAM running Mojave. And yes, I've tried turning off GPU and a clean install but it makes no difference.

Layer styles seem to make the app almost unusable. How can Adobe release software with such poor performance issues?

Apps like C4D are incredible on this machine but Adobe apps feel like they're running on a ten year old computer on its last legs.

Is this a known issue and if so when are you going to do something about it and finally get your software to take advantage of modern processing power?

All the clever features you come up with are moot if the software doesn't work.

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Adobe Community Professional ,
Dec 11, 2018

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The rest of us don't see that - so there has to be something specific about your machine that causes Photoshop to choke.

Usually it's a buggy video driver, but if you can rule that out you should look at other drivers (like wacom), third-party plugins, font managers etc.

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Community Beginner ,
Dec 11, 2018

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Sadly the same issue was replicated on an 18 core with exactly the same performance problems.

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Adobe Community Professional ,
Dec 11, 2018

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Well, maybe the same applications/utilities/plugins/extensions are installed? That's actually a help, because you can look at common factors.

This is not normal.

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Community Beginner ,
Dec 11, 2018

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It was on a colleagues machine hundreds of miles away, unconnected to my own.

I guess all I can do is wait and hope Adobe plough some resources into performance!

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Adobe Community Professional ,
Dec 11, 2018

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Reset PS Preferences, that can sometimes fix the weirdest problems. And try to turn off rulers. That's an old bug (but I thought it was fixed by now). If this was a Windows machine I'd tell you to update the video driver in any case, but you can't do that on Mac. Some people have seen problems running at 4K/5K, but normal performance returning when screen resolution is reduced to standard HD.

Again, this is not a general problem, you don't seem to believe that, but it's the truth. If you post the Help > System Info, maybe someone can spot something.

This hasn't been listed with the known Mojave problems, but some of them are pretty diffuse.

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Adobe Community Professional ,
Dec 11, 2018

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GBlayney  wrote

My 5k retina iMac from 2014 was faster and more stable for Photoshop than the latest release on a 14 core iMac Pro with Vega 64 and 128gb RAM running Mojave. And yes, I've tried turning off GPU and a clean install but it makes no difference.

What operating system were you using on your old Mac? And what exact version do you have now of Mojave and of Photoshop? I ask because Mojave has caused some major issues that I do not have because I am on High Sierra until Apple fixes things. The .2 patch is out for Mojave, and the .3 is in beta with developers.

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New Here ,
Nov 27, 2019

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For me, anything slightly more complicated with custom shapes makes Photoshop totally ball out. I'm also apalled by the bad performance of Photoshop on an iMac Pro, and I need this for my work (professional artist).

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New Here ,
Mar 05, 2020

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I have the exact problem on my new iMac. My 7 year old Macbook Pro was just as fast in Photoshop as this suped-up new machine is. I've talked to Apple 4 times now and they agree that my machine is more than capable of running Photoshop smoothly, but any redraw on my screen from things like moving layers or using the Stamp tool and it jumps around like crazy. No fluidity. When I run Activity Monitor while I use PS, I see that the %CPU jumps as high as 370% while the %GPU stays nice and low. Yes I've done a fresh PS install. Yes, I've run only PS and no other programs. Yes all my drivers are up to date. Nothing makes any difference. Apple basically shrugged their shoulders. Can anyone from Adobe do any better?

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Adobe Community Professional ,
Mar 06, 2020

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Hi, maybe try this

it just might help, I hope so

Reset the preferences in Photoshop and let us know how it goes: 

https://helpx.adobe.com/photoshop/using/preferences.html

 

Note: Make sure that you back up all your custom presets, brushes & actions before restoring Photoshop's preferences. Migrate presets, actions, and settings

 

I hope this helps

if so, please "like" my reply and if you're OK now, please mark it as "correct", so that others who have similar issues can see the solution

thanks

neil barstow, colourmanagement.net :: adobe forum volunteer

[please do not use the reply button on a message in the thread, only use the one at the top of the page, to maintain chronological order]

 

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New Here ,
Sep 16, 2020

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Same here!

I basically downgraded from iMac 2014 to iMac Pro 2019.

Photoshop works terrible, Illustrator flickers, OpenOffice lags and I really do not see that much difference. Ah yes, the pricetag was different.

I made a mistake.

I definitely made a mistake.

 

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