OpenCV 2.4.11 GPU features

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Hi all,

I have a Alienware laptop with 2 x GTX880M (SLI) with Windows 10. I have recompiled OpenCV 2.4.11 with CUDA and Cublas option. I'm using CUDA 7.0.

I do the same on another computer which have a GTX 980 on Windows 8. I use the same options and also CUDA 7.0.

On my Alienware, when running the opencv_test_gpu.exe, I have 1067 failed tests. With my own code using OpenCV CUDA, I'm experiencing crashes and performance issues, I think these strange behaviours may be linked with these tests.

Run tests on all supported devices 

    [==========] Running 51682 tests from 128 test cases.
    [----------] Global test environment set-up.
    [----------] 4 tests from GPU_Video/FGDStatModel
    [ RUN      ] GPU_Video/FGDStatModel.Update/0
    E:\opencv2.4.11-recomp\opencv\sources\modules\gpu\test\test_bgfg.cpp(95): error: Value of: cap.isOpened()
      Actual: false
    Expected: true
    [  FAILED  ] GPU_Video/FGDStatModel.Update/0, where GetParam() = (GeForce GTX 880M, "768x576.avi", Channels(3)) (12 ms)
    [ RUN      ] GPU_Video/FGDStatModel.Update/1
    E:\opencv2.4.11-recomp\opencv\sources\modules\gpu\test\test_bgfg.cpp(95): error: Value of: cap.isOpened()
      Actual: false
    Expected: true
    [  FAILED  ] GPU_Video/FGDStatModel.Update/1, where GetParam() = (GeForce GTX 880M, "768x576.avi", Channels(4)) (3 ms)
    [ RUN      ] GPU_Video/FGDStatModel.Update/2
    E:\opencv2.4.11-recomp\opencv\sources\modules\gpu\test\test_bgfg.cpp(95): error: Value of: cap.isOpened()
      Actual: false
    Expected: true
    [  FAILED  ] GPU_Video/FGDStatModel.Update/2, where GetParam() = (GeForce GTX 880M, "768x576.avi", Channels(3)) (4 ms)
    [ RUN      ] GPU_Video/FGDStatModel.Update/3
    E:\opencv2.4.11-recomp\opencv\sources\modules\gpu\test\test_bgfg.cpp(95): error: Value of: cap.isOpened()
      Actual: false
    Expected: true

...

[  FAILED  ] GPU_ImgProc/WarpPerspectiveNPP.Accuracy/68, where GetParam() = (GeForce GTX 880M, 32FC4, direct, INTER_CUBIC)
[  FAILED  ] GPU_ImgProc/WarpPerspectiveNPP.Accuracy/69, where GetParam() = (GeForce GTX 880M, 32FC4, inverse, INTER_NEAREST)
[  FAILED  ] GPU_ImgProc/WarpPerspectiveNPP.Accuracy/70, where GetParam() = (GeForce GTX 880M, 32FC4, inverse, INTER_LINEAR)
[  FAILED  ] GPU_ImgProc/WarpPerspectiveNPP.Accuracy/71, where GetParam() = (GeForce GTX 880M, 32FC4, inverse, INTER_CUBIC)

1067 FAILED TESTS
  YOU HAVE 302 DISABLED TESTS

Does it look like a normal issue ?

On the computer with a GTX 980, the opencv_test_gpu produces a more strange result.

Run tests on all supported devices

[==========] Running 0 tests from 0 test cases.
[==========] 0 tests from 0 test cases ran. (1 ms total)
[  PASSED  ] 0 tests.
Press any key to continue . . .



F:\OpenCV 2.4.11\opencv\sources\build64\bin\Release>gpu_perf4au.exe
[----------]
[   INFO   ]    Implementation variant: cuda.
[----------]
[----------]
[ FAILURE  ]    Device GeForce GTX 980 is NOT compatible with current GPU module
 build.
[----------]

Does someone can help me to understand what's happen ?

Thanks for all.