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Dehaze in LR Classic 12.1 has severe performance degradation compared to 12.0.1.

Explorer ,
Jan 28, 2023 Jan 28, 2023

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With version 12.0.1 moving the Dehaze slider reacts virtually instaneously. With version 12.1 there is a many seconds lag for each slider change. It makes using Dehaze very difficult.  I have switched between 12.0.1 and 12.1 multiple times and this performance problem is consistent. I've currently downgraded to 12.0.1.

I use LR for large images (~40MB) from a Nikon Z9. I have a 3.6ghz 12 core Intel I7 with 32GB Ram and SSD disks. I have the latest video drivers for my card (GeForce 1030). 

My desktop configuration:

Lightroom Classic version: 12.0.1 [ 202210260744-9e008017 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.22000
Application architecture: x64
System architecture: x64
Logical processor count: 20
Processor speed: 3.6GHz
SqLite Version: 3.36.0
CPU Utilisation: 1.0%
Built-in memory: 32577.7 MB
Dedicated GPU memory used by Lightroom: 1160.4MB / 1981.1MB (58%)
Real memory available to Lightroom: 32577.7 MB
Real memory used by Lightroom: 3328.7 MB (10.2%)
Virtual memory used by Lightroom: 4876.6 MB
GDI objects count: 769
USER objects count: 2633
Process handles count: 6708
Memory cache size: 62.2MB
Internal Camera Raw version: 15.0 [ 1261 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 870MB / 16288MB (5%)
Camera Raw real memory: 959MB / 32577MB (2%)
System DPI setting: 168 DPI (high DPI mode)
Desktop composition enabled: Yes
Standard Preview Size: 1440 pixels
Displays: 1) 1920x1080, 2) 3840x2160
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:
DirectX: NVIDIA GeForce GT 1030 (31.0.15.2824)
Init State: GPU for Image Processing supported by default with custom export support
User Preference: GPU for Image Processing Enabled

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
Library Path: J:\Lightroom\MainCatalog\catalog\catalog-2-2-v12.lrcat
Settings Folder: C:\Users\john\AppData\Roaming\Adobe\Lightroom

Installed Plugins:
1) AdobeStock
2) Flickr
3) Nikon Tether Plugin
4) Topaz Photo AI

Config.lua flags: None

Adapter #1: Vendor : 10de
Device : 1d01
Subsystem : 63353842
Revision : a1
Video Memory : 1981
Adapter #2: Vendor : 1414
Device : 8c
Subsystem : 0
Revision : 0
Video Memory : 0
AudioDeviceIOBlockSize: 1024
AudioDeviceName: $$$/dvaaudiodevice/SystemDefaultAndEffectiveDeviceName=System Default - Speakers (2- Logitech USB Headset H340)#{comment}DVAAU-4201250: Open the audio hardware preferences page.
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 44100
Build: LR5x19
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: 16384
GL_MAX_TEXTURE_SIZE: 32768
GL_MAX_TEXTURE_UNITS: 4
GL_MAX_VIEWPORT_DIMS: 32768,32768
GL_RED_BITS: 8
GL_RENDERER: NVIDIA GeForce GT 1030/PCIe/SSE2
GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA
GL_STENCIL_BITS: 8
GL_VENDOR: NVIDIA Corporation
GL_VERSION: 4.6.0 NVIDIA 528.24
GPUDeviceEnabled: false
OGLEnabled: true
GL_EXTENSIONS: GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_AMD_vertex_shader_viewport_index GL_AMD_vertex_shader_layer GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_program GL_ARB_fragment_program_shadow GL_ARB_fragment_shader GL_ARB_fragment_shader_interlock GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_get_texture_sub_image GL_ARB_gl_spirv GL_ARB_gpu_shader5 GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader_int64 GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_indirect_parameters GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_internalformat_query2 GL_ARB_invalidate_subdata GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multi_bind GL_ARB_multi_draw_indirect GL_ARB_multisample GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_occlusion_query2 GL_ARB_parallel_shader_compile GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_parameters 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LEGEND ,
Feb 01, 2023 Feb 01, 2023

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With version 12.1 there is a many seconds lag for each slider change.

That sounds odd. Most members would complain about many seconds for LrC to respond to any slider change.

 

As for dehaze, are you going for small changes, and seeing what occurs, or going immediately to large changes?

 

Also, is this in general, or within a mask?

And if in general, before or after any mask?

 

A video capture could help.

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Please note that other operations besides Dehaze have the performamce degradation, e.g. sharpening.

Here's a video of 12.0.1, which works great: 
https://johnmcginty.smugmug.com/OddsAndEnds/LRC-issue/n-7rjf2h/i-WXM6LM7/A

Here's a video of 12.1, which is virtually unusable: 
https://johnmcginty.smugmug.com/OddsAndEnds/LRC-issue/n-7rjf2h/i-Rq7P93Z/A

Note that this is on the same machine, same OS, same drivers, same image, etc as before. There only thing that's change is the version of LRC.

I have repeated this switch between 12.0.1 and 12.1 at leat 6 times and it's reproducible. I showed the Adobe support guy in a remote meeting. 

I've given up on 12.1. Hopefully Adobe can figure this out.


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Community Expert ,
Feb 01, 2023 Feb 01, 2023

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Go to the Performance Tab in Preferences.. 

 

Hold down Alt. Turn off the new option that appears. Use GPU to apply dehaze and clarity adjustments when generating previews. 

 

Does this make a difference?

 

DehazeGPU.jpg

 

Sean McCormack. Author of 'Essential Development 3'. Magazine Writer. Former Official Fuji X-Photographer.

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Thanks. I tried turning it off and it didn't help.

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LEGEND ,
Feb 01, 2023 Feb 01, 2023

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A test on my Windows 10 PC:

deleated, no longer of value

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Thanks. Dunno what do say. I've been using LRC on Windows 11 for 8 month or so and haven't had any issues. Also, LRC 12.0.1 works fine on Win11. 
The other maybe weird thing I've noticed is that 12.1 seems to use the GPU for a long time when it comes up (without any user input).
Are there any logs that LRC produces? I could compare logs between the 2 versions.

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LEGEND ,
Feb 01, 2023 Feb 01, 2023

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  • Is the problem for all photos or just one?
  • Have you tried with Use Graphics Processor Off?

 

And see the link below. Similar? I bring this one up as same GPU appears to be in use, although different driver.

 

https://community.adobe.com/t5/lightroom-classic-discussions/develop-mode-slows-to-a-crawl-on-a-part...

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Turning off the GPU fixes it!

FWIW, I had update the NVidia driver after experiencing this problem. I.e. have had the problem with both versions of the driver. 

Since it only occurs with LRC 12.1, maybe they've introduced some bug in dealing with this GPU.

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LEGEND ,
Feb 01, 2023 Feb 01, 2023

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So now an argument between Adobe and NVIDIA, who's bug?

 

 

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Didn't have the problem til I upgraded to LRC 12.1 so I thinj it's at least Adobe's job to debug this thing.

Thanks for your help.

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Adobe Employee ,
Feb 01, 2023 Feb 01, 2023

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That would require the following:

  1. Export one of your problematic edits to a DNG containing all the edits and share it where we can evaluate the file.
  2. Provide step-by-step instructions for inducing the failure/behavior. 

 

I would be testing on an nVidia GTX970 card with 4 GB of ram - which is the closest I have to your configuration. 

 

Can you supply what is needed?

 

If we can reproduce it, we will forward to engineering as a bug. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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It's not a single dng file, it's all of  them.
FWIW, I've already had a remote troublehshooting session with Adobe Support where I demostrated the problem and the tech spent over an hour trying various things that didn't work. I've already spent a lot of time and energy trying to get Adobe engaged on this. Has Adobe even tried to reproduce this with a similar setup? Not that I can see.

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Here's an image: https://johnmcginty.smugmug.com/OddsAndEnds/LRC-issue/n-7rjf2h/i-sm44Mwc/A

To induce just more the dehaze slide in 12.1.

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Explorer ,
Feb 01, 2023 Feb 01, 2023

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Here's an image: https://johnmcginty.smugmug.com/OddsAndEnds/LRC-issue/n-7rjf2h/i-sm44Mwc/A

To induce just move the dehaze slide in 12.1.

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Adobe Employee ,
Feb 02, 2023 Feb 02, 2023

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The file needs to be a DNG not a JPEG. Can you export one of the trouble files as a DNG and share that instead?

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Feb 02, 2023 Feb 02, 2023

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When I try to upload it here I get this error:

Correct the highlighted errors and try again.

  • The attachment's 230_6709.dng content type (image/DNG) does not match its file extension and has been removed.

I can't upload it to smugmug because it doesn't my plan doesn't support it. 
Can you not convert that jpg I posted to a dng?
Also, as I said this happens for me on every file. I highly doubt it's file specific. 

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Adobe Employee ,
Feb 02, 2023 Feb 02, 2023

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It needs to be a DNG natively exported from Lightroom Classic. 

 

To share it you can use a file sharing service like Creative Cloud folders, Dropbox or similar. 

 

Converting a JPEG to DNG would tell us nothing of value. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Feb 02, 2023 Feb 02, 2023

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Why can't the Adobe Support site accept commonly requested file types?

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Explorer ,
Feb 02, 2023 Feb 02, 2023

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Adobe Employee ,
Feb 02, 2023 Feb 02, 2023

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Thank you for the file. I've imported it into a 12.1 Lightroom catalog on a Win 10 (21H2) machine.  This is a 7 year old machine with an nVidia GTX 970 Graphics card with a 1.24.23 dated driver.  The monitor is a 21:9 4K monitor. 

Dragging the Dehaze slider is smooth and reactive - nearly instant along the range.  The slider moves freely and the image updates as the slider is moved.


Clicking straight to -50 is instantly updated on the image as is clicking to +50.  Double clicking the slider returns you to zero instantly.  I unable to see any lag with your file.  I expect that one or two Community Experts will test and confirm. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Feb 02, 2023 Feb 02, 2023

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Thank you, but it's not particularly helpful to me. The videos I posted here of my system clearly show 12.1 blows and 12.0.1 works fine. The ONLY variable in 8 side-by-side tests on my system is the version of LRC and it's always been completely consistent.
Is there a next step?

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LEGEND ,
Feb 03, 2023 Feb 03, 2023

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quote

Thank you for the file. I've imported it into a 12.1 Lightroom catalog on a Win 10 (21H2) machine.  This is a 7 year old machine with an nVidia GTX 970 Graphics card with a 1.24.23 dated driver.  The monitor is a 21:9 4K monitor. 


By @Rikk Flohr: Photography

 

 

And what if the problem is in Windows 11?

 

Author has WIndows 11 Build 22000 version 21H2

 

Had the author Windows version 22H2, and aNVIDIA driver older than v517.48, the  NVIDIA driver may have had an OS related issue, I think they might have fixed, but somewhat different from authors issue.

 

https://pureinfotech.com/windows-11-22h2-nvidia-3-26-fix-frame-rates-stuttering-bugs/

 

https://www.tomshardware.com/news/nvidia-issues-fix-for-windows-11-22h2-lag-and-stuttering-bugs

 

So, yes, could be an NVIDIA bug, but on a Windows 11, not 10 PC.

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Adobe Employee ,
Feb 03, 2023 Feb 03, 2023

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I also tested on a separate Windows 11 Machine with nVidia T1200.  Normal behavior there as well. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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LEGEND ,
Feb 05, 2023 Feb 05, 2023

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Of the problems reported here that go away by disabling the GPU, most are resolved by updating the graphics driver. LR doesn't access the GPU directly but rather uses the standard Windows / Mac operating-system graphics interface, and it's the driver's job to translate commands to that standard interface into GPU-specific commands.  There are many bugs in graphics drivers, which is one reason manufacturers are constantly updating them. So in general, if disabling LR's use of the GPU makes a problem go away, that probably indicates a driver bug.

 

You have the most recent driver installed, but you have a card (NVIDIA GeForce GT 1030) that's almost 6 years old. There is circumstantial evidence that the manufacturers stop fixing driver bugs for their older cards -- Intel has an explicit "legacy" policy for 10th generation graphics and older (as new as 3 years old), but it's likely that Nvidia and AMD have similar but unpublished policies.

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