parameters: (*inputs)
return_statement: return AllReduce.apply(*inputs)
docstring: Cross GPU all reduce autograd operation for calculate mean and
      variance in SyncBN.
docstring_summary: Cross GPU all reduce autograd operation for calculate mean and
      variance in SyncBN.
docstring_tokens: Cross GPU all reduce autograd operation for calculate mean and variance in SyncBN .
function: def allreduce(*inputs):
      """Cross GPU all reduce autograd operation for calculate mean and
      variance in SyncBN.
      """
      return AllReduce.apply(*inputs)
function_tokens: def allreduce ( * inputs ) : return AllReduce . apply ( * inputs )