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OzPhotoMan
OzPhotoMan
Inspiring
January 17, 2018
Answered

LR Classic performance with spot healing

  • January 17, 2018
  • 2 replies
  • 4479 views

Hi all,

I am like many others with performance issues with LR Classic, mainly with spot removal.  The lag is with brush movement is unworkable.  I have just compared it to LR2015 and that is much better.  I do have an old graphics card, supposedly unsupported but it is running DirextX12 and OpenGL 3.3.0 which is supposedly OK.  LR2015 allows me to activate GPU for performance, but Classic gives an error.  The card is an Nvidia GTX275.

My main question is, would a newer card fix this issue? I am on a pension so money is tight.  Processor is an Intel I7 930 running at 2.7Ghz, 12Gb ram. Windows 10 Home 64 bit, 1607 build 14393.2007.  Main images processed are from a Nikon D800, 36Mp.  It takes 4 seconds for a brush adjustment from one side of an image to the other if I move the mouse quickly.  I don't know why LR is reporting the OS as Win 8.

System info below.

Lightroom Classic version: 7.1 [ 1148620 ]

License: Creative Cloud

Language setting: en

Operating system: Windows 8  - Home Premium Edition

Version: 6.2.9200

Application architecture: x64

System architecture: x64

Logical processor count: 8

Processor speed: 2.7 GHz

Built-in memory: 12286.4 MB

Real memory available to Lightroom: 12286.4 MB

Real memory used by Lightroom: 1030.3 MB (8.3%)

Virtual memory used by Lightroom: 1125.9 MB

GDI objects count: 647

USER objects count: 1963

Process handles count: 1472

Memory cache size: 49.7MB

Maximum thread count used by Camera Raw: 5

Camera Raw SIMD optimization: SSE2

Camera Raw virtual memory: 430MB / 6143MB (7%)

Camera Raw real memory: 534MB / 12286MB (4%)

System DPI setting: 96 DPI

Desktop composition enabled: Yes

Displays: 1) 1680x1050

Input types: Multitouch: No, Integrated touch: No, Integrated pen: Yes, External touch: No, External pen: Yes, Keyboard: No

Graphics Processor Info:

Check OpenGL support: Failed

Vendor:

Version:

Renderer:

LanguageVersion:

Total Video Memory: 896 MB

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic CC

Library Path: D:\Image Catalogue\00_LR Catalog\LR Catalog\LR Catalog-2.lrcat

Settings Folder: C:\Users\Steve1\AppData\Roaming\Adobe\Lightroom

Installed Plugins:

1) AdobeStock

2) Canon Tether Plugin

3) Epson Print Layout

4) Facebook

5) Flickr

6) HDR Efex Pro 2

7) Nikon Tether Plugin

😎 Show Focus Points

Config.lua flags: None

Adapter #1: Vendor : 10de

    Device : 5e6

    Subsystem : 0

    Revision : a1

    Video Memory : 863

Adapter #2: Vendor : 1414

    Device : 8c

    Subsystem : 0

    Revision : 0

    Video Memory : 0

AudioDeviceIOBlockSize: 1024

AudioDeviceName: Speakers (Realtek High Definition Audio)

AudioDeviceNumberOfChannels: 2

AudioDeviceSampleRate: 48000

Build: Uninitialized

Direct2DEnabled: false

GL_ACCUM_ALPHA_BITS: 16

GL_ACCUM_BLUE_BITS: 16

GL_ACCUM_GREEN_BITS: 16

GL_ACCUM_RED_BITS: 16

GL_ALPHA_BITS: 0

GL_BLUE_BITS: 8

GL_DEPTH_BITS: 24

GL_GREEN_BITS: 8

GL_MAX_3D_TEXTURE_SIZE: 2048

GL_MAX_TEXTURE_SIZE: 8192

GL_MAX_TEXTURE_UNITS: 4

GL_MAX_VIEWPORT_DIMS: 8192,8192

GL_RED_BITS: 8

GL_RENDERER: GeForce GTX 275/PCIe/SSE2

GL_SHADING_LANGUAGE_VERSION: 3.30 NVIDIA via Cg compiler

GL_STENCIL_BITS: 8

GL_VENDOR: NVIDIA Corporation

GL_VERSION: 3.3.0

GPUDeviceEnabled: false

OGLEnabled: true

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This topic has been closed for replies.
Correct answer Rob_Cullen
My guess is that this is coming from the apparently exponential nature of the slowdown with spot healing. More spots makes it slower and slower in a non-linear fashion. Imagine that every new spot healing pin adds say 25% to the slow down. Then even if your machine is twice as fast, you only need a few more spots to slow it down just as much.

Okay, this makes sense, especially the last sentence. Thanks.


I like the explanation given by Victoria Bampton. It explains simply why Lightroom slows down with Spot healing.

The link- https://www.lightroomqueen.com/lightroom-performance-complete-series-optimizing-lightrooms-speed/

Quote:

Spot the difference?

Pixel editors such as Photoshop* run a task once, applying the changes to the pixels of the image itself. Each time you make another adjustment, it carries on from the current set of pixels. (That’s a generalization as you can use smart objects or adjustment layers, but let’s keep things simple for now, as these would also have performance implications.)

Lightroom, on the other hand, is a parametric editor. This means that every time you make an adjustment, it runs a series of text instructions. The more adjustments you make to the image, the more text instructions it has to run each time you make a change. The more complex the instructions, the longer they take to run.  (Lightroom silently caches some editing stages to ease this issue, but again, let’s keep things simple.)

2 replies

J
Community Expert
Jao vdLCommunity Expert
Community Expert
January 26, 2018

You can't really fix the slow spot removal behavior with a faster GPU, CPU:

https://paulstamatiou.com/building-a-windows-10-lightroom-photo-editing-pc/

dj_paige
dj_paige
Legend
January 26, 2018

Jao vdL​:

You can't really fix the slow spot removal behavior with a faster GPU, CPU:

This is certainly counter-intuitive. You would think that a faster CPU would churn through the mathematical calculations needed to perform the spot removal IN LESS TIME than a slower CPU. Could you explain? Or could you point out the specific part of that extremely long article where this is discussed?

J
Community Expert
Jao vdLCommunity Expert
Community Expert
January 26, 2018

There are some remarks in there and in several summaries I saw of this that while there are many things that are faster spot healing is just as much as a drag as before. My guess is that this is coming from the apparently exponential nature of the slowdown with spot healing. More spots makes it slower and slower in a non-linear fashion. Imagine that every new spot healing pin adds say 25% to the slow down. Then even if your machine is twice as fast, you only need a few more spots to slow it down just as much.

dj_paige
dj_paige
Legend
January 17, 2018

You need to turn off the GPU acceleration in order to increase brushing speed.

A faster CPU would also help.

OzPhotoMan
OzPhotoManAuthor
Inspiring
January 17, 2018

GPU is not active as stated, LR Classic shows it as an error.

dj_paige
dj_paige
Legend
January 17, 2018

Then that's the result of doing a lot of brushing, Lightroom slows down. A new faster GPU will not help, but a faster CPU should help. Another thing you can try is to do the brushing as the next to last step in your editing, and as the last step, turn on lens corrections and transforms.

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