Only load versioned libcufile

[jakirkham]

Fixes the dlopen logic around libcufile to load either the SOVERSION library or the fully versioned library. This includes logic to handle the missing SOVERSION library on older CUDA versions. Drops loading the stub library, which typically only shows up in development environments.

---

Fixes #504

Borrows from PR ( rapidsai/cudf#13210 ) and PR ( rapidsai/kvikio#203 ). Also adapts this logic to cuCIM ( rapidsai/kvikio#141 )

[jakirkham]

@gigony could you please review?

[bdice]

Changes look aligned with those in KvikIO and cuDF. 👍

[grlee77]

Nice, thanks for handling this @jakirkham and @bdice

[gigony]

Thanks @jakirkham . Looks great to me! Thank you for adding this!

[jakirkham]

Am seeing some test failures due to test_disambiguate_2d on Python 3.10 that appear unrelated to this change. @grlee77 could you please take a look at these?

FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[100-100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[100--100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[100-350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[100--350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-100-100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-100--100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-100-350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-100--350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[350-100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[350--100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[350-350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[350--350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-350-100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-350--100] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-350-350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3
FAILED src/cucim/skimage/registration/tests/test_phase_cross_correlation.py::test_disambiguate_2d[-350--350] - AssertionError: 
Items are not equal:
 ACTUAL: 2
 DESIRED: 3

[grlee77]

Okay, I diagnosed the CI failure and it is due to a recent change in imageio that is causing the "eagle" image we are using to be loaded as RGB instead of grayscale.

The test will pass even with the most recent imageio if it is modified with an additional if statement guarding against the image being loaded as RGB instead of grayscale.

    image = cp.array(eagle()[500:, 900:])  # use a highly textured image region
    # revert to grayscale if a recent imageio caused the image to be loaded as RGB
    if image.ndim == 3:
        image = image[..., 0]

[grlee77]

I was looking into this failure in #549 and can clean that up to only have a necessary fix.

[jakirkham]

Thanks Greg! 🙏

[jakirkham]

/merge