Package Scientific :: Package BSP :: Class ParBase

Class ParBase

object --+
         |
        ParBase

Known Subclasses:

IO._ParNetCDFFile
, IO._ParNetCDFVariable
, Tasks._ParTaskList

Distributed data base class

Local classes that are to be used in global classes must inherit from this class.

Instance Methods

any

broadcast(self, data, from_pid=0)
Send a local value of one processor to all processors.

list

exchangeMessages(self, message_list)
Returns: the incoming data

list

get(self, data, pid_list)
Request the local values of other processors.

list

put(self, data, pid_list)
Send data to other processors

Inherited from object: __delattr__, __getattribute__, __hash__, __init__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __str__

Class Variables
	is_parclass = `1`

Properties
Inherited from `object`: `__class__`

Method Details

broadcast(self, data, from_pid=0)

Send a local value of one processor to all processors.

Parameters:

data - the data to be transmitted. This value is used only on one processor.
from_pid (any) - the processor whose data is broadcast

Returns: any

the received data

exchangeMessages(self, message_list)

Parameters:

message_list (list) - a list of (pid, data) pairs to be transmitted

Returns: list

the incoming data

get(self, data, pid_list)

Request the local values of other processors.

Parameters:

data (any) - the data to be sent to processors who request it
pid_list (list) - the list of processor numbers to which data requests are sent

Returns: list

the values received from other processors

put(self, data, pid_list)

Send data to other processors

Parameters:

data (any) - the data to be sent
pid_list (list) - the list of processor numbers to which the data is sent

Returns: list

the values received from other processors