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[Pallas/Mosaic GPU][NFC] Slightly clarify the synchronization requirements in the docstring ofcopy_gmem_to_smem.#33563
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…ments in the docstring of `copy_gmem_to_smem`.A cluster barrier is not necessary e.g. when issuing collective `tcgen05.mma`instruction, but it is necessary to safely use the data from another block.PiperOrigin-RevId: 837173972
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[Pallas/Mosaic GPU][NFC] Slightly clarify the synchronization requirements in the docstring of
copy_gmem_to_smem.A cluster barrier is not necessary e.g. when issuing collective
tcgen05.mmainstruction, but it is necessary to safely use the data from another block.