v 12.3 - local adjustments - verry slow

[Tomala]

watch the vid about problem 

Lightroom Classic version: 12.3 [ 202304101834-a085245c ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.19045
Application architecture: x64
System architecture: x64
Logical processor count: 12
Processor speed: 3,1GHz
SqLite Version: 3.36.0
CPU Utilisation: 2,0%
Built-in memory: 65493,7 MB
Dedicated GPU memory used by Lightroom: 3768,4MB / 6044,0MB (62%)
Real memory available to Lightroom: 65493,7 MB
Real memory used by Lightroom: 8560,6 MB (13,0%)
Virtual memory used by Lightroom: 13919,8 MB
GDI objects count: 1189
USER objects count: 2959
Process handles count: 61009
Memory cache size: 17975,5MB
Internal Camera Raw version: 15.3 [ 1451 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 4819MB / 32746MB (14%)
Camera Raw real memory: 4943MB / 65493MB (7%)
System DPI setting: 96 DPI
Desktop composition enabled: Yes
Standard Preview Size: 2560 pixels
Displays: 1) 2560x1440
Input types: Multitouch: No, Integrated touch: No, Integrated pen: Yes, External touch: No, External pen: Yes, Keyboard: No

Graphics Processor Info:
DirectX: NVIDIA GeForce GTX 1060 6GB (31.0.15.3161)
Init State: GPU for Image Processing supported by default
User Preference: GPU for Export enabled

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
Library Path: D:\lightroom 2023\lightroom 2023.lrcat
Settings Folder: C:\Users\tomas\AppData\Roaming\Adobe\Lightroom

[F. McLion]

What is the type of the CPU? 

Your GTX 1060 is rather old and depending on the CPU it may even be worth a try to deactivate the GPU.

I had to replace my i7 4th gen with GTX 1050 with v12. Up to v11 all was slow but ok, and with v12 .... not useable