MatA.dot(MatB) gives incorrect results in some cases on SpaceMIT K1 #27003
Description
System Information
Latest 4.x
Detailed description
Logs:
[ RUN ] MatType_Length_dot.dot/24, where GetParam() = (32SC1, 32)
Expected:
[2.237623528685399e+19]
Actual:
[-5.141074065282274e+19]
/home/tao/workspace/fytao/k1/worktree/co-spacemit-4x-merge-20250303/opencv/modules/ts/src/ts_perf.cpp:580: Failure
Failed
Relative difference (7.3786975939676733e+19 of 308464443916936.38 allowed) between argument "product" and expected value is greater than 9.9999999999999995e-07 in 1 points
params = (32SC1, 32)
termination reason: unknown
bytesIn = 8192
bytesOut = 0
samples = 63 of 100
outliers = 5
frequency = 1000000000
min = 2208 = 0.00ms
median = 2250 = 0.00ms
gmean = 2246 = 0.00ms
gstddev = 0.02745984 = 0.00ms for 97% dispersion interval
mean = 2246 = 0.00ms
stddev = 65 = 0.00ms
[ FAILED ] MatType_Length_dot.dot/24, where GetParam() = (32SC1, 32) (4 ms)
...
[ FAILED ] 6 tests, listed below:
[ FAILED ] MatType_Length_dot.dot/24, where GetParam() = (32SC1, 32)
[ FAILED ] MatType_Length_dot.dot/25, where GetParam() = (32SC1, 64)
[ FAILED ] MatType_Length_dot.dot/26, where GetParam() = (32SC1, 128)
[ FAILED ] MatType_Length_dot.dot/27, where GetParam() = (32SC1, 256)
[ FAILED ] MatType_Length_dot.dot/28, where GetParam() = (32SC1, 512)
[ FAILED ] MatType_Length_dot.dot/29, where GetParam() = (32SC1, 1024)
Steps to reproduce
Steps to reproduce:
- Clone latest opencv and opencv_extra repos.
- Build OpenCV for SpaceMIT K1 using their toolchain.
- Run perf with sanity check:
./build/bin/opencv_perf_data --gtest_filter="MatType_Length_dot.dot/2*"
Issue submission checklist
- I report the issue, it's not a question
- I checked the problem with documentation, FAQ, open issues, forum.opencv.org, Stack Overflow, etc and have not found any solution
- I updated to the latest OpenCV version and the issue is still there
- There is reproducer code and related data files (videos, images, onnx, etc)