Can not install CUDAnative

Specific Domains GPU
1

GPU newbie here (Julia 1.3.1 and Windows 10). I have been able to install CUDAdrv v6.1.0 but when I try to install CUDAnative (and also CuArrays) I receive the following error:

(v1.3) pkg> add CUDAnative
 Resolving package versions...
ERROR: Unsatisfiable requirements detected for package CUDAapi [3895d2a7]:
 CUDAapi [3895d2a7] log:
 ├─possible versions are: [0.5.0-0.5.4, 0.6.0-0.6.3, 1.0.0-1.0.1, 1.1.0, 1.2.0, 2.0.0, 2.1.0, 3.0.0, 3.1.0, 4.0.0] or uninstalled
 ├─restricted by compatibility requirements with CUDAdrv [c5f51814] to versions: 4.0.0
 │ └─CUDAdrv [c5f51814] log:
 │   ├─possible versions are: [0.8.0-0.8.6, 0.9.0, 1.0.0-1.0.1, 2.0.0, 3.0.0-3.0.1, 3.1.0, 4.0.0-4.0.4, 5.0.0-5.0.1, 5.1.0, 6.0.0-6.0.1, 6.1.0] or uninstalled
 │   └─restricted to versions 6.1.0 by an explicit requirement, leaving only versions 6.1.0
 └─restricted by compatibility requirements with CUDAnative [be33ccc6] to versions: [3.0.0, 3.1.0] — no versions left      └─CUDAnative [be33ccc6] log:
     ├─possible versions are: [0.7.0, 0.8.0-0.8.10, 0.9.0-0.9.1, 0.10.0-0.10.1, 1.0.0-1.0.1, 2.0.0-2.0.1, 2.1.0-2.1.3, 2.2.0-2.2.1, 2.3.0-2.3.1, 2.4.0, 2.5.0-2.5.5, 2.6.0, 2.7.0, 2.8.0-2.8.1, 2.9.0-2.9.1, 2.10.0-2.10.2] or uninstalled           ├─restricted to versions * by an explicit requirement, leaving only versions [0.7.0, 0.8.0-0.8.10, 0.9.0-0.9.1, 0.10.0-0.10.1, 1.0.0-1.0.1, 2.0.0-2.0.1, 2.1.0-2.1.3, 2.2.0-2.2.1, 2.3.0-2.3.1, 2.4.0, 2.5.0-2.5.5, 2.6.0, 2.7.0, 2.8.0-2.8.1, 2.9.0-2.9.1, 2.10.0-2.10.2]
     └─restricted by compatibility requirements with CUDAdrv [c5f51814] to versions: 2.10.0-2.10.2 or uninstalled, leavi       └─CUDAdrv [c5f51814] log: see above
2

That’s because the latest version of CUDAdrv isn’t compatible with the rest of the stack yet, and Pkg refuses to downgrade. Try removing CUDAdrv and starting by installing CuArrays – that will automatically install compatible versions of CUDAdrv and CUDAnative. Doing add CUDAdrv afterwards will just make it possible to import those packages, without installing a different version.

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3

FWIW, It should downgrade on 1.4.

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