Collective Communication
=========================

ACLSHMEM_BARRIER
-----------------
.. cpp:function:: ACLSHMEM_DEVICE_PREFIX void aclshmem_barrier(aclshmem_team_t team)
.. cpp:function:: ACLSHMEM_HOST_PREFIX void aclshmem_barrier(aclshmem_team_t team)

    team同步接口，针对指定team内的PE，同一个team内的PE都需到达屏障点后再继续执行。

    :param team:              [in] team所在编号。

ACLSHMEM_BARRIER_ALL
---------------------
.. cpp:function:: ACLSHMEM_DEVICE_PREFIX void aclshmem_barrier_all()
.. cpp:function:: ACLSHMEM_HOST_PREFIX void aclshmem_barrier_all()

    全局同步接口，针对所有PE，所有PE都需到达屏障点后再继续执行