Extremely slow healing tool

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Here is the system info:

 

Lightroom Classic version: 13.2 [ 202402141005-bf1aeb84 ]

License: Creative Cloud

Language setting: en

Operating system: Windows 10

Version: 10.0.19045

Application architecture: x64

System architecture: x64

Logical processor count: 36

Processor speed: 2,3GHz

SqLite Version: 3.36.0

CPU Utilisation: 0,0%

Built-in memory: 97975,9 MB

Dedicated GPU memory used by Lightroom: 1358,3MB / 8068,0MB (16%)

Real memory available to Lightroom: 97975,9 MB

Real memory used by Lightroom: 3912,8 MB (3,9%)

Virtual memory used by Lightroom: 5795,2 MB

GDI objects count: 864

USER objects count: 2827

Process handles count: 2616

Memory cache size: 1806,4MB

Internal Camera Raw version: 16.2 [ 1763 ]

Maximum thread count used by Camera Raw: 5

Camera Raw SIMD optimization: SSE2,AVX,AVX2

Camera Raw virtual memory: 980MB / 48987MB (2%)

Camera Raw real memory: 1066MB / 97975MB (1%)

 

Cache1: 

Preview1- RAM:88,0MB, VRAM:0,0MB, 2615-20240422 (C) leuschner.photos.DNG

Preview2- RAM:88,0MB, VRAM:0,0MB, 2608-20240422 (C) leuschner.photos.DNG

Preview3- RAM:88,0MB, VRAM:0,0MB, 2610-20240422 (C) leuschner.photos.DNG

NT- RAM:264,0MB, VRAM:0,0MB, Combined:264,0MB

 

Cache2: 

final1- RAM:364,0MB, VRAM:113,0MB, 2587-20240422 (C) leuschner.photos.DNG

T- RAM:364,0MB, VRAM:113,0MB, Combined:477,0MB

 

Cache3: 

m:1806,4MB, n:423,9MB

 

U-main: 93,0MB

 

System DPI setting: 110 DPI

Desktop composition enabled: Yes

Standard Preview Size: 3840 pixels

Displays: 1) 3840x2160, 2) 1920x1200

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

 

Graphics Processor Info: 

DirectX: NVIDIA Quadro P4000 (31.0.15.5161)

Init State: GPU for Export supported by default

User Preference: Auto

 

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

Library Path: D:\LR Daten\Personen\Personen-v13.lrcat

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

 

Installed Plugins: 

1) AdobeStock

2) Flickr

3) Nikon Tether Plugin

4) Tourbox

5) WP/LR Sync

 

Config.lua flags: None

 

Adapter #1: Vendor : 10de

Adapter #2: Vendor : 1414

AudioDeviceIOBlockSize: 1024

AudioDeviceName: $$$/dvaaudiodevice/SystemDefaultAndEffectiveDeviceName=System Default - Lautsprecher / Kopfhörer (Realtek Audio)#{comment}DVAAU-4201250: Open the audio hardware preferences page.

AudioDeviceNumberOfChannels: 2

AudioDeviceSampleRate: 48000

Build: LR5x120

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: Quadro P4000/PCIe/SSE2

GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA

GL_STENCIL_BITS: 8

GL_VENDOR: NVIDIA Corporation

GL_VERSION: 4.6.0 NVIDIA 551.61

GPUDeviceEnabled: false

OGLEnabled: true

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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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