Fix splitk preshuffle

[EnricoDeg]

Proposed changes

Summary:

• Fix splitk for gemm_multiply_multiply_wp and gemm_universal_b_preshuffle
• Add tests for gemm_multiply_multiply_wp, gemm_universal_b_preshuffle and gemm_blockscale_wp (does not support splitk)
• Fix conditions for supported arguments in gemm_universal_b_preshuffle based on gemm_multiply_multiply_wp
• Fix tolerances in profiler for gemm_multiply_multiply_wp and gemm_universal_b_preshuffle (in order to work with splitK and large K)
• Fix strides in profiler for gemm_multiply_multiply_wp, gemm_universal_b_preshuffle and gemm_blockscale_wp

Explanation for splitK fix: for matrix B (preshuffled) it is not possible to shift the pointers, so in this case the same approach used for convolution is applied. The grid descriptor is shifted.

Checklist

Please put an x into the boxes that apply. You can also fill these out after creating the PR. If you're not sure, please don't hesitate to ask.

• I have added tests relevant to the introduced functionality, and the unit tests are passing locally
• I have added the test to REGRESSION_TESTS list defined at the top of CMakeLists.txt in tests/CMakeLists.txt, IF the test takes more than 30 seconds to run.
• I have added inline documentation which enables the maintainers with understanding the motivation
• I have removed the stale documentation which is no longer relevant after this pull request
• (If this change is user-facing) I have added release notes which provide the end users with a brief summary of the improvement from this pull request
• I have run clang-format on all changed files
• Any dependent changes have been merged

Discussion

If this is a relatively large or complex change, feel free to start a discussion by explaining why you chose the solution you did and what alternatives you considered