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[CK] Add BF16^3 support to grouped conv bwd weight: bilinear and scale (#4591) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ## Motivation Until now, XDL grouped conv bwd weight for bilinear and scale only supported bf16f32bf16. Therefore, bf16bf16bf16 support should be added. ## Technical Details Instances were added to the relevant files in `library/include/ck/library/tensor_operation_instance/gpu/grouped_conv_bwd_weight/` folder. In addition, `add()` functions were included in new files in `library/src/tensor_operation_instance/gpu/grouped_conv3d_bwd_weight_bilinear/xdl/` and `library/src/tensor_operation_instance/gpu/grouped_conv3d_bwd_weight_scale/xdl/` folders. The new .cpp files were also included in the `CMakeFiles.txt` files of both folders. ## Test Plan Execute `grouped_convnd_bwd_weight` tests to check execution on different architectures. The tests for bilinear and scale already include the tuple `std::tuple<ck::half_t, ck::half_t, ck::half_t, ck::Number<3>>`, so in principle, there is nothing to modify in the tests themselves. ## Test Result `gfx1201`: Tests passed. `gfx1100`: Tests passed. `gfx90a`: Tests passed. ## Submission Checklist - [x] Look over the contributing guidelines at https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.