Level Zero on Windows

[PokhodenkoSA]

• dpctl Windows Level Zero does not work.

  • DAAL have L0 support. They have L0 headers in it.
  • On Linux we use apt package intel-level-zero-devel.
  • Nothing on Windows. We need to get it from GitHub - https://github.com/oneapi-src/level-zero
  • https://github.com/oneapi-src/level-zero/releases/tag/v1.0.26 - we should use it
  • /usr/include/level_zero/ - Dipto installed from apt package level-zero-devel.
    • From it - https://dgpu-docs.intel.com/installation-guides/ubuntu/ubuntu-focal.html
    • ze_api.h - contains version v1.1
  • https://github.com/oneapi-src/oneDAL/blob/master/cpp/daal/include/services/internal/sycl/level_zero_types.h oneDAL uses copy of headers

• We can clone Level Zero headers from GitHub and use it for build on Windows (and Linux if necessary)

• @reazulhoque started from numba-dppy and skipped tests, but root cause is that dpctl does not support Level Zero on windows

• Write in README about dependency to Level Zero

[PokhodenkoSA]

• @reazulhoque started from numba-dppy and skipped tests, but root cause is that dpctl does not support level zero on windows

@reazulhoque could you please provide link to this PR?

[reazulhoque]

@PokhodenkoSA IntelPython/numba-dpex#291

[PokhodenkoSA]

IntelPython/numba-dppy#291

This IntelPython/numba-dpex#291 does 2 things - new feature and skipping tests.
If this PR skips tests because Level Zero is not available then I propose to unskip tests in IntelPython/numba-dpex#291 and move skipping to a separate PR.
Then you can block IntelPython/numba-dpex#291 until this issue with Level Zero is fixed.
Or you can merge PR with skipping tests first and then continue with IntelPython/numba-dpex#291. When this issue with Level Zero will be fixed we will revert PR which skips tests.

[PokhodenkoSA]

@1e-to take it please.