.. _libcudacxx-ptx-instructions-st-async: st.async ======== - PTX ISA: `st.async `__ - Used in: :ref:`How to use st.async ` **NOTE.** Alignment of ``addr`` must be a multiple of vector size. For instance, the ``addr`` supplied to the ``v2.b32`` variant must be aligned to ``2 x 4 = 8`` bytes. .. include:: generated/st_async.rst