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9.11.23_Does turbo boost and overclocking matter in PS?

Explorer ,
Sep 11, 2023 Sep 11, 2023

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Hey all when testing high resolution and large brush i noticed a noticeable lag when PS was trying to render each pixel when laying down brush strokes real time.
Ive read mult sources stating that clock speed is king in this scenario. yet
 
My 3.4 base clock speed of ryzen 7 1700x never jumped to 3.8 turbo boost capability
And the lag was there
 
So that made me wonder if PS actually utilizes anything but the base speed and if clock speed was really that relevant in the scenario above.
 
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Document specs are  high dpi 300-600ppi (20x28in canvas) + large brush size
 
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P.S.
Im not asking about how to adjust the brush or PS settings to make the brush lag less.
 
Ive done thorough testing and I know that its the increasing of the ppi thats causing the issue and only when brush size is large as well.
Ram, brush settings, PS settings are all fine when ppi is lower along w canvas size so Im specifically asking for help regarding CPU hardware knowledge.
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Adobe
Community Expert ,
Sep 11, 2023 Sep 11, 2023

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Image rendering has to do more with GPU speed than CPU.

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Community Expert ,
Sep 11, 2023 Sep 11, 2023

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Your using Windows so you can use the performance monitor to see how hardware is affected with Photoshop.  This is a 50,000 x 50,000 pixel 8 bit image, running a 5000 pixel fully hard brush preset with spacing set to 1% I ran the brush corner to corner, and then again on the other diagonal.  This is with a i9-13900K CPU

It's interesting that clock speed was 5.38Ghz before I ran the test, but actually dropped while creating the brush strokes.

Each stroke took 13.4 seconds.

image.png

I made the strokes again while looking at the GPU, and saw near zero activity.  What I did see is 55Ghz of Photoshop temp files on the Scratch drive, so it's important to pay attention to that if using large files.

 

Check Puget Systems for real world data regards Photoshop

https://www.pugetsystems.com/all-articles/?filter=photoshop

 

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