https://bugs.kde.org/show_bug.cgi?id=513480
Bug ID: 513480
Summary: Background Blur very slow performance on Windows
Classification: Applications
Product: digikam
Version First 8.9.0
Reported In:
Platform: unspecified
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Plugin-Editor-BackgroundBlur
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Unfortunately in this present form this tool is not very useful as it takes 10+
minutes to complete the transformation. Even changing some of the parameters
and checking the result is very slooooow.
Are there any plans/possibilities to make this tool more responsive?
I'm using the latest build of DK on my Windows 11 computer that is quite
powerful (see bellow). Also support for AMD Radeon GPUs would probably help a
lot.
OBSERVED RESULT
EXPECTED RESULT
SOFTWARE/OS VERSIONS
digiKam: 8.9.0
KDE Frameworks: 6.17.0
Qt: Using 6.9.1 and built against 6.9.1
Windows 11 Version 24H2
Build ABI: x86_64-little_endian-llp64
Kernel: winnt 10.0.26100
ADDITIONAL INFORMATION
CPU
AMD Ryzen 7 7735HS with Radeon Graphics
Base speed: 3,20 GHz
Sockets: 1
Cores: 8
Logical processors: 16
Virtualization: Enabled
L1 cache: 512 KB
L2 cache: 4,0 MB
L3 cache: 16,0 MB
Utilization 2%
Speed 3,64 GHz
Up time 2:07:45:53
Processes 219
Threads 3868
Handles 142036
Memory
32,0 GB
Speed: 4800 MT/s
Slots used: 2 of 2
Form factor: SODIMM
Hardware reserved: 3,3 GB
Available 15,1 GB
Cached 12,3 GB
Committed 24,5/30,6 GB
Paged pool 753 MB
Non-paged pool 700 MB
In use (Compressed) 13,5 GB (1,8 GB)
GPU 0
AMD Radeon(TM) Graphics
Driver version: 32.0.21037.1004
Driver date: 28/11/2025
DirectX version: 12 (FL 12.1)
Physical location: PCI bus 116, device 0, function 0
Utilization 2%
Dedicated GPU memory 2,6/3,0 GB
Shared GPU memory 1,7/14,4 GB
GPU Memory 4,3/17,4 GB
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