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[CK] Disable compilation of problematic bwd weight conv instances for gfx90a (#6343) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ## Motivation Due to compiler version update, there are test failures in the test suite `test_grouped_convnd_bwd_weight` when running on `gfx90a`. There are four failing tests for FP16/BF16 that arise from a single kernel instance. As the problem is in the current `develop` branch, the test failures are blocking any PR merges into `develop`. An example of a failed CI runs is here: [http://micimaster.amd.com/blue/organizations/jenkins/rocm-libraries-folder%2FComposable%20Kernel/detail/develop/558/pipeline/](http://micimaster.amd.com/blue/organizations/jenkins/rocm-libraries-folder%2FComposable%20Kernel/detail/develop/558/pipeline/). The underlying compiler problem is potentially the same as described in #6342 as tests are passing for clang compiler version 20.0 and failing for clang compiler version 22.0. ## Technical Details This PR disables the compilation of the problematic bwd weight conv instance for `gfx90a` by adding a new CMake flag `CK_USE_GFX90A` that allows us to detect when we are compiling for `gfx90a`. Using the new CMake flag, compilation of instance `DeviceGroupedConvBwdWeight_Xdl_CShuffleV3<64, 128, 32, 32, Default, 8, 4, 1, 8, 8, 8, 8, 1, 1, 2>` is disabled for `gfx90a`. Co-authored-by: Ville Pietilä <>