environment/lib/python2.7/site-packages/IPython/parallel/client/asyncresult.py
def serial_time(self):
        """serial computation time of a parallel calculation
        
        Computed as the sum of (completed-started) of each task
        """
        t = 0
        for md in self._metadata:
            t += _total_seconds(md['completed'] - md['started'])
        return t
def serial_time(self):
        """serial computation time of a parallel calculation
        
        Computed as the sum of (completed-started) of each task
        """
        t = 0
        for md in self._metadata:
            t += _total_seconds(md['completed'] - md['started'])
        return t
serial computation time of a parallel calculation
        
        Computed as the sum of (completed-started) of each task