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Improve CUDA support #612

Merged
merged 5 commits into from Aug 2, 2021
Merged

Improve CUDA support #612

merged 5 commits into from Aug 2, 2021

Commits on Jul 29, 2021

  1. Perform CUDA --device-link. 

    This allows to perform the final link with system linker.
    @dot-asm
    dot-asm committed Jul 29, 2021
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Commits on Jul 30, 2021

  1. Add 'cudart' method mimicking the '--cudart' nvcc command-line option. 

    Try to locate the library in standard location relative to nvcc command.
If it fails, user is held responsible for specifying one in RUSTFLAGS.
    @dot-asm
    dot-asm committed Jul 30, 2021
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  2. Add dummy CUDA test to cc-test. 

    Execution is bound to fail without card, but the failure is ignored.
It's rather a compile-n-link test. The test is suppressed if 'nvcc'
is not found on the $PATH.
    @dot-asm
    dot-asm committed Jul 30, 2021
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  3. Add dummy CUDA CI test.

    @dot-asm
    dot-asm committed Jul 30, 2021
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  4. Harmonize CUDA support with NVCC default --cudart static. 

    This can interfere with current deployments in the wild, in which
case some adjustments might be required. Most notably one might
have to add .cuda("none") to the corresponding Builder instantiation
to restore the original behaviour.
    @dot-asm
    dot-asm committed Jul 30, 2021
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