GPU ukernel lowering config for data-tiled multi_mma, and a simple ukernel. #19504
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Signed-off-by: Benoit Jacob <[email protected]>
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...CM/builtins/ukernel/iree_uk_amdgpu_multi_mma_mfma_i32_16x16x32_i8_unroll8x2x2_subgroups1x4.c
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compiler/src/iree/compiler/Codegen/LLVMGPU/Utils/LLVMGPUSelectUKernels.cpp
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Signed-off-by: Benoit Jacob <[email protected]>
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This PR adds the KernelConfig logic to generate a lowering_config selecting a ukernel for multi_mma. In order to be able to test it, this PR also adds a very simple
multi_mmaukernel, but it isn't actually exercised yet, other than successfully compiling to bitcode. The compiler logic only cares about the existence of the resulting bitcode file. The actual lowering to ukernel op will come in the next PR.