Looking for a new PC for photo editing in Photoshop CC

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MSTUDIO

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May 23, 2017
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Looking for a new PC for photo editing in Photoshop CC 2017. I mostly use Adobe Camera Raw (80% of my postproduction) and then Photoshop.

My RAW files are from a Nikon D810 (Approx 7500x4500 pix). I don't do 3D or work with very large files (mainly Architecture & Interiors pics with few layers) .

I do work with *many* open DNG files at a time in ACR (frequently >10-15 files) which is where I currently have a bottleneck and is the main reason to change CPU.

TIA for your help.
Miguel
 
Solution
synphul
Another thing you may try is setting your "cache levels and tile sizes" in preferences to 'big and flat' given the size files you're working with.

If it's slow when working with acr you may want to check this link. The user found if they purged the camera raw cache in camera raw preferences as well as disabled 'use graphics processor' under camera raw preferences "performance" it also sped things up. I'm not as familiar with acr but given the size of the files you're working with it might be worth seeing if increasing camera raw cache helps. Since files are over 1gb maybe try 2gb. (if it doesn't seem to help just remember to revert the settings.) Also keep in mind any changes in photoshop generally require you to close it and reopen...
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M

MSTUDIO

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May 23, 2017
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510


Sorry, forgot to specify! Here is my current system:

• Intel Core i7 4770 @ 3.4 GHz (4 cores, 8 threads)
• L3 Caché: 8 MB
• Mainboard: MEDION MS-7848 (chipset: Haswell, LPCIO: Nuovoton NCT6779)
• RAM: 12 GB DDR3 Dual channel 800 MHz
• Graphics: NVIDIA GeForce GT 730 (2 GB DDR3 RAM)
• HDD: 2TB (system) ST2000DM001 ; 3TB (RAW amd TIF files) ST3000DM001 ; 512 GB Samsung SSD 850 EVO

HDD-performance.jpg


As I mentioned, my bottleneck is in ACR: when I open 10-20 RAW files and edit them (especially when using adjustment brushes) I get very sluggish performance, with a few seconds of latency sometimes!.

TIA!
Miguel
 
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synphul

synphul

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Mar 11, 2011
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Have you checked your ram usage? Also where is your scratch disk set to, your ssd or one of the slower hdd's? Have you checked usage while working in photoshop to confirm the cpu is in fact the bottleneck? An i7 should do fairly well, most things in photoshop rely on one or two cores. Very few rely on additional cores and though you have 12gb of ram I've used almost all of 16gb while working with larger files in photoshop. Due to the size of the files with several open at once you may be running out of memory.
 
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M

MSTUDIO

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May 23, 2017
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Actually I haven't checked RAM Usage (excuse my ignorance but I'm not sure how to do so; I appreciate your help!). My scratch disk is set to the SSD (although I bought it this week; before, the scratch disk was on C, the system HDD).

Thanks.

 
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synphul

synphul

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Mar 11, 2011
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Right click on the taskbar and select 'task manager' from the options listed. Then click the performance tab and it should show current cpu usage, ram usage etc. Have a look while you're working with a typical amount of photos/images open and see how much memory is being used. You may also want to check in photoshop's preferences to see what your ram allocation looks like.

Here's a link that mentions a few things in that regard as well as monitoring efficiency.
https://helpx.adobe.com/photoshop/kb/optimize-photoshop-cc-performance.html

Here's another link that looks at several different aspects of photoshop and how the core count is utilized. Most don't scale beyond a few cores while a few do such as hue/saturation as to unsharp masks and gaussian blur.
https://www.pugetsystems.com/labs/articles/Adobe-Photoshop-CC-Multi-Core-Performance-625/

It may help determine based on the things you're doing with photoshop if a high core count cpu will actually benefit you or not.
 
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M

MSTUDIO

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May 23, 2017
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Thanks for the reply. I just did some tests: (RAM allocation in PS is 80%). I opened 25 RAW files in ACR (= 1.16 GB) : at first, the C Disc activity was for a few seconds at 100% (although files are in D). When all images where open, RAM was about 50% (6 GB for 1.16 GB files?). I started doing some reotuching with the adjustment brush: RAM fluctuated between 50%-60%, but CPU rocketed in several instances to 60% - 80% or more...I don't really know how to interpret these results. Your input is welcome!

(Note: I'll check the links you sent later; thanks)

Miguel
 
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synphul

synphul

Champion
Mar 11, 2011
9,477
7
54,965
Another thing you may try is setting your "cache levels and tile sizes" in preferences to 'big and flat' given the size files you're working with.

If it's slow when working with acr you may want to check this link. The user found if they purged the camera raw cache in camera raw preferences as well as disabled 'use graphics processor' under camera raw preferences "performance" it also sped things up. I'm not as familiar with acr but given the size of the files you're working with it might be worth seeing if increasing camera raw cache helps. Since files are over 1gb maybe try 2gb. (if it doesn't seem to help just remember to revert the settings.) Also keep in mind any changes in photoshop generally require you to close it and reopen it.

https://forums.adobe.com/thread/1942817
 
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