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fix(ck-tile): Fix compiler issue MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ## Motivation Bug causes miopen_composable_kernel_ut to fail due to numerical correctness mismatches in Composable Kernel GEMM/MX/blockscale/contraction paths. The failures are not build failures; the tests run, but device output does not match CPU/reference output, including large mismatches and NaN outputs. ## Technical Details __builtin_amdgcn_sched_barrier(0) with mask 0 = "no instruction of any kind may be reordered across this point, in either direction". It lowers to no hardware instruction — purely a compile-time scheduling boundary. ## Test Plan Confirm with the Compiler team ## Test Result TBD ## Submission Checklist - [x] Look over the contributing guidelines at https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests. JIRA ID : AICK-1556