I updated my project from opencv 3.4.3 to 4.9.0 and noticed that some functions (cv:Sobel()) became slower in debug mode. I release mode it works well. See for details:
opencv 4.9.0
CMake configuration for 4.9.0:
General configuration for OpenCV 4.9.0 =====================================
Version control: unknown
Extra modules:
Location (extra): C:/Users/kvy/Downloads/opencv_contrib-4.x/modules
Version control (extra): unknown
Platform:
Timestamp: 2024-03-15T07:47:27Z
Host: Windows 10.0.19045 AMD64
CMake: 3.29.0-rc3
CMake generator: Visual Studio 17 2022
CMake build tool: C:/Program Files/Microsoft Visual Studio/2022/Community/MSBuild/Current/Bin/amd64/MSBuild.exe
MSVC: 1939
Configuration: Debug Release
CPU/HW features:
Baseline: SSE SSE2
requested: SSE2
Dispatched code generation: SSE4_1 SSE4_2 FP16 AVX
requested: SSE4_1 SSE4_2 AVX FP16
SSE4_1 (19 files): + SSE3 SSSE3 SSE4_1
SSE4_2 (2 files): + SSE3 SSSE3 SSE4_1 POPCNT SSE4_2
FP16 (1 files): + SSE3 SSSE3 SSE4_1 POPCNT SSE4_2 FP16 AVX
AVX (9 files): + SSE3 SSSE3 SSE4_1 POPCNT SSE4_2 AVX
C/C++:
Built as dynamic libs?: YES
C++ standard: 11
C++ Compiler: C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC/14.39.33519/bin/Hostx64/x86/cl.exe (ver 19.39.33522.0)
C++ flags (Release): /DWIN32 /D_WINDOWS /W4 /GR /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi /fp:precise /arch:SSE /arch:SSE2 /EHa /wd4127 /wd4251 /wd4324 /wd4275 /wd4512 /wd4589 /wd4819 /MP /O2 /Ob2 /DNDEBUG
C++ flags (Debug): /DWIN32 /D_WINDOWS /W4 /GR /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi /fp:precise /arch:SSE /arch:SSE2 /EHa /wd4127 /wd4251 /wd4324 /wd4275 /wd4512 /wd4589 /wd4819 /MP /Zi /Ob0 /Od /RTC1
C Compiler: C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC/14.39.33519/bin/Hostx64/x86/cl.exe
C flags (Release): /DWIN32 /D_WINDOWS /W3 /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi /fp:precise /arch:SSE /arch:SSE2 /MP /O2 /Ob2 /DNDEBUG
C flags (Debug): /DWIN32 /D_WINDOWS /W3 /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS /Gy /bigobj /Oi /fp:precise /arch:SSE /arch:SSE2 /MP /Zi /Ob0 /Od /RTC1
Linker flags (Release): /machine:X86 /INCREMENTAL:NO
Linker flags (Debug): /machine:X86 /debug /INCREMENTAL
ccache: NO
Precompiled headers: YES
Extra dependencies:
3rdparty dependencies:
OpenCV modules:
To be built: aruco bgsegm bioinspired calib3d ccalib core datasets dnn dnn_objdetect dnn_superres dpm face features2d flann fuzzy gapi hfs highgui img_hash imgcodecs imgproc intensity_transform line_descriptor mcc ml objdetect optflow phase_unwrapping photo plot quality rapid reg rgbd saliency shape signal stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab wechat_qrcode xfeatures2d ximgproc xobjdetect xphoto
Disabled: js_bindings_generator python_bindings_generator python_tests world
Disabled by dependency: -
Unavailable: alphamat cannops cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev cvv freetype hdf java julia matlab ovis python2 python3 sfm viz
Applications: tests perf_tests apps
Documentation: NO
Non-free algorithms: NO
Windows RT support: NO
GUI: WIN32UI
Win32 UI: YES
VTK support: NO
Media I/O:
ZLib: build (ver 1.3)
JPEG: build-libjpeg-turbo (ver 2.1.3-62)
SIMD Support Request: YES
SIMD Support: YES
WEBP: build (ver encoder: 0x020f)
PNG: build (ver 1.6.37)
TIFF: build (ver 42 - 4.2.0)
JPEG 2000: build (ver 2.5.0)
OpenEXR: build (ver 2.3.0)
HDR: YES
SUNRASTER: YES
PXM: YES
PFM: YES
Video I/O:
DC1394: NO
FFMPEG: YES (prebuilt binaries)
avcodec: YES (58.134.100)
avformat: YES (58.76.100)
avutil: YES (56.70.100)
swscale: YES (5.9.100)
avresample: YES (4.0.0)
GStreamer: NO
DirectShow: YES
Media Foundation: YES
DXVA: YES
Parallel framework: Concurrency
Trace: YES (with Intel ITT)
Other third-party libraries:
Intel IPP: 2021.11.0 [2021.11.0]
at: C:/Users/kvy/Downloads/opencv-4.9.0/build/3rdparty/ippicv/ippicv_win/icv
Intel IPP IW: sources (2021.11.0)
at: C:/Users/kvy/Downloads/opencv-4.9.0/build/3rdparty/ippicv/ippicv_win/iw
Lapack: YES (C:/Users/kvy/Downloads/OpenBLAS-0.3.26-x86/lib/libopenblas.lib)
Eigen: NO
Custom HAL: NO
Protobuf: build (3.19.1)
Flatbuffers: builtin/3rdparty (23.5.9)
OpenCL: YES (NVD3D11)
Include path: C:/Users/kvy/Downloads/opencv-4.9.0/3rdparty/include/opencl/1.2
Link libraries: Dynamic load
Python (for build): NO
Install to: C:/Users/kvy/Downloads/opencv-4.9.0/build/install
Any ideas