GPU hardware acceleration uses 100% GPU with no performance benefit

Report · Feb 12, 2025

Hello,

I have a moderately high end PC (Intel 265k, Z890 Tomahawk, 64GB RAM, RTX 3080) and Lightroom performance is literally the same as my old PC (8th gen Intel i7, 32GB RAM, GTX 1060). I have enabled GPU acceleration with all updated drivers and it hogs 100% of my VRAM instantly I start to scrub between images or zooming in. YouTube on the other monitor becomes choppy and blocky, and doesn't even play video at all.

I would get over it if the performance was somehow good. But it's not. When editing I find I have to quit and relaunch Lightroom multiple times, because masking and zooming in becomes USELESS. Then it works "fine" for 3mins and then back to lag-town.

It's actually working better and more stable with GPU acceleration turned off. But is still starts to lag like crazy.

I am editing photos from the Sony A7III which is a 7 year old camera at that point and my BRAND NEW PC can't handle it. I wonder what would happen if I would load 60+MP images.

Why did I choose this CPU? Because it had good productivity performance, AI accelerator chip, lots of cores etc. God was I naive. I actually thought Adobe would update the software to make use of the NPU (for AI masks, Generative Fill in PS etc.). Nope, maybe I will see that in my lifetime.

Adobe, please, for the love of god. Fix your freaking software, I am not the only one with these kind of BS problems. Typical example of resting on your laurels. When enough alternatives pop up you will be kindly forgotten.

That's all. I have scouted the internet for fixes and couldn't find any that actually worked for me.

I have:

-updated all the drivers

-disabled Hardware-accelerated GPU scheduling

-disabled GPU HW acceleration in Lightroom

If you have anything to fix this, I will be eternally grateful.

Thanks!

Report · Feb 12, 2025

Adobe, please, for the love of god. Fix your freaking software, I am not the only one with these kind of BS problems. Typical example of resting on your laurels. When enough alternatives pop up you will be kindly forgotten.

While your fellow members, including myself, can feel your pain, and feel your anger, Adobe, at least in this community, may not. Be aware that this is a community for Adobe customers to share info, issues, ideas, etc. Oh, I understand that Adobe points customers with issues to this community, but that is Adobe being lazy. Perhaps an Adobe Tech may reply, probably to inquire bout any LrC Crash reports. Perhaps to ask for some steps for diagnostics to occur. But likely not.

At anyrate, perhaps a member can help. To that end can you accomplish the following:

_________________________________________________________________________________________________

1. SYS INFO

Please post your System Information as Lightroom Classic (LrC) reports it. In LrC click on Help, then System Info, then Copy. Paste that information into a reply. Please present all information from first line down to and including Plug-in Info. Info after Plug-in info can be cut out as that is just so much dead space to us non-Techs and it takes up vast amounts of scroll space making the reply less readable and less likely that others will bother with your post.

2. LrC /Preferences/Performance

Please post in a reply a screenshot of your LrC /Preferences/Performance (with the GPU turned back on for now). Interested in anything LrC states about the GPU, ( for a 3080, I would expect no issues) and what you have for Camera RAW CACHE limit

3. Where is performance sucking

Is the performance bad in all modules, or is this mostly in the develop module.

4. Updated all the drivers

Does that include the Motherboard drivers such as the Chipset, oddly the BlueTooth and WiFi (even if not used). And is that via the Motherboards support page (not MS Windows updates)

5. SYNC

Is any sync to the cloud running?

6. Any Network share, network server, or Cloud (for catalog)

This should show up in item 1, but you are not perhaps keeping your catalog on the Cloud or other share? And you are not auto syncing to the Cloud (as in OneDrive) Correct?

7. Z890 Tomahawk

Is this a MSI Motherboard, Searching on the Internet indicates as much. As such, it may have come with MSI Afterburner. Is that the case, is that running?

MIS AI Boost (for the NPU??) so the NPU gets overclocked/bosted. That may be fine for games, this appears to be a game centri MB afterall, but does that foul LrC up. LrC in the past has been a pain as overclocking is involved. Perhaps turn that off.

___________________________________________________________________________

Some postings to look at:

https://community.adobe.com/t5/lightroom-classic-discussions/very-very-high-cpu-usage-since-version-...

Some Links:

https://www.msi.com/Motherboard/MAG-Z890-TOMAHAWK-WIFI/support#driver

Report · Feb 14, 2025

Thanks for your reply and added links! I know this may not be a right place to rent and vent, but the more people post these issues, more traction they will get (hopefully).

Now to answer your questions:

1. SYS INFO (in the bottom, for better clarity)

2. LrC Preferences

3. Where is performance sucking?

Library module is smooth and stable, Develop is the problematic one. Mostly zooming in/out, scrubbing between images, applying masks, before/after

4. Drivers

Yes, before making this post I updated ALL the drivers (even BT which I don't use). So; BIOS, chipset, Intel Graphics, Nvidia Studio driver, and LAN&BT drivers

5. SYNC

Sync is turned off

6. Any Network share, network server, or Cloud (for catalog)

None, all files are local and not syncing anywhere

7. Motherboard & NPU

It's an MSI motherboard, and I don't use Afterburner. MSI Afterburner is just an overclocking/monitoring software and is not brand-specific. You can use any card, any motherboard (as far as I know).

I didn't apply Intel NPU boost in BIOS. It's enabled, but set to default. I have never seen it under load in Task Manager.

--------------------------------------------------------------------------------------------------------------------

Lightroom Classic version: 14.1.1 [ 202412150940-551fb044 ]

License: Creative Cloud

Language setting: en

Operating system: Windows 11 - Business Edition

Version: 11.0.26100

Application architecture: x64

System architecture: x64

Logical processor count: 20

Processor speed: 3,8GHz

SqLite Version: 3.36.0

CPU Utilisation: 1,0%

Power Source: Plugged In

Built-in memory: 64898,8 MB

Dedicated GPU memory used by Lightroom: 19,6MB / 10053,0MB (0%)

Real memory available to Lightroom: 64898,8 MB

Real memory used by Lightroom: 1454,0 MB (2,2%)

Virtual memory used by Lightroom: 1799,7 MB

GDI objects count: 1189

USER objects count: 3263

Process handles count: 2641

Memory cache size: 2319,0MB

Internal Camera Raw version: 17.1 [ 2098 ]

Maximum thread count used by Camera Raw: 5

Camera Raw SIMD optimization: SSE2,AVX,AVX2

Camera Raw virtual memory: 261MB / 32449MB (0%)

Camera Raw real memory: 112MB / 64898MB (0%)

Cache1:

NT- RAM:0,0MB, VRAM:0,0MB, Combined:0,0MB

Cache2:

m:2319,0MB, n:0,0MB

U-main: 112,0MB

System DPI setting: 96 DPI

Desktop composition enabled: Yes

Standard Preview Size: 2576 pixels

Displays: 1) 2560x1440, 2) 2560x1440

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

Graphics Processor Info:

DirectX: NVIDIA GeForce RTX 3080 (32.0.15.7216)

Init State: GPU for Export supported by default

User Preference: Off

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

Library Path: C:\Users\BC\Pictures\Lightroom\BC25\BC25\BC25.lrcat

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

Installed Plugins:

1) AdobeStock

2) Flickr

Config.lua flags:

Adapter #1: Vendor : 10de

Device : 2216

Subsystem : 403f1458

Revision : a1

Video Memory : 10053

Adapter #2: Vendor : 8086

Device : 7d67

Subsystem : 7e321462

Revision : 6

Video Memory : 80

Adapter #3: Vendor : 1414

Device : 8c

Subsystem : 0

Revision : 0

Video Memory : 0

AudioDeviceIOBlockSize: 1024

AudioDeviceName: System Default - Headphones - Scarlett Solo (4- Focusrite USB Audio)

AudioDeviceNumberOfChannels: 2

AudioDeviceSampleRate: 48000

Build: LR5x26

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 RTX 3080/PCIe/SSE2

GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA

GL_STENCIL_BITS: 8

GL_VENDOR: NVIDIA Corporation

GL_VERSION: 4.6.0 NVIDIA 572.16

GPUDeviceEnabled: false

OGLEnabled: true

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Report · Feb 13, 2025

Hi FirmHandshake93 ... I feel your pain.

It does sound like a genuine issue - that's far from normal with your beast of a machine.

Off the top of my head, a few maybe lesser-known tips:
1) use smart previews

2) reset (rename) your prefs file

3) use only 1 monitor.
4) minor: make Detail edits last.

5) minor: collapse the 'Navigator' and 'Histogram' panels.

6) try starting a new catalog.

7) Weirdly - check your PS settings - I remember one guy saying the RAM limit for PS applies to LR too!

Report · Feb 14, 2025

Hey, thanks for the reply!

1. I am using standard or 1:1 previews, why are smart previews better?

2. I have done that + I have reset the GPU CameraRaw prefs

3. I think I have a good enough PC to run 2 monitors. It may help, but it's not the root of the issue

4. & 5. I will try if it makes a difference

6. I have a fresh catalog (2 months) with 19500 photos, I don't think I would need a new one that often.

7. Hmmmm, weird, I will try!

Thanks!

Report · Feb 14, 2025

Agree with your comments. 🙂

As per the link : Advantages of Smart Previews - Smart Previews are much smaller than the original photos - this made the biggest difference for my very modest gaming laptop, Develop module. Ymmv.