java.lang.Object

mpi.Comm

mpi.Intracomm

All Implemented Interfaces:: Cloneable, Freeable

Direct Known Subclasses:: CartComm, GraphComm

public class Intracomm extends Comm

This class represents intracommunicator.

Field Summary

Fields inherited from class mpi.Comm
handle, SELF, TYPE_SHARED, WORLD
Constructor Summary

Constructors

Modifier

Constructor

Description

protected

Intracomm()

protected

Intracomm(long handle)

protected

Intracomm(long[] commRequest)
Method Summary

Modifier and Type

Method

Description

final Intercomm

accept(String port, int root)

Java binding of MPI_COMM_ACCEPT using MPI_INFO_NULL.

final Intercomm

accept(String port, Info info, int root)

Java binding of MPI_COMM_ACCEPT.

Intracomm

clone()

Duplicates this communicator.

static void

closePort(String name)

Java binding of MPI_CLOSE_PORT.

final Intercomm

connect(String port, int root)

Java binding of MPI_COMM_CONNECT using MPI_INFO_NULL.

final Intercomm

connect(String port, Info info, int root)

Java binding of MPI_COMM_CONNECT.

final Intracomm

create(Group group)

Create a new communicator.

final CartComm

createCart(int[] dims, boolean[] periods, boolean reorder)

Creates a communicator to which the Cartesian topology information is attached.

final GraphComm

createDistGraph(int[] sources, int[] degrees, int[] destinations, int[] weights, Info info, boolean reorder)

Creates a communicator to which the distributed graph topology information is attached.

final GraphComm

createDistGraph(int[] sources, int[] degrees, int[] destinations, Info info, boolean reorder)

Creates a communicator to which the distributed graph topology information is attached.

final GraphComm

createDistGraphAdjacent(int[] sources, int[] sourceWeights, int[] destinations, int[] destWeights, Info info, boolean reorder)

Creates a communicator to which the distributed graph topology information is attached.

final GraphComm

createDistGraphAdjacent(int[] sources, int[] destinations, Info info, boolean reorder)

Creates a communicator to which the distributed graph topology information is attached.

final GraphComm

createGraph(int[] index, int[] edges, boolean reorder)

Creates a communicator to which the graph topology information is attached.

final Intracomm

createGroup(Group group, int tag)

Create a new intracommunicator for the given group.

Intracomm

dup()

Duplicates this communicator.

Intracomm

dupWithInfo(Info info)

Duplicates this communicator with the info object used in the call.

final void

exScan(Object buf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

final void

exScan(Object sendbuf, Object recvbuf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

Intracomm

iDup()

Duplicates this communicator.

final Request

iExScan(Buffer buf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

final Request

iExScan(Buffer sendbuf, Buffer recvbuf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

final Request

iScan(Buffer buf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

final Request

iScan(Buffer sendbuf, Buffer recvbuf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

static String

lookupName(String service)

Java binding of MPI_LOOKUP_NAME using MPI_INFO_NULL.

static String

lookupName(String service, Info info)

Java binding of MPI_LOOKUP_NAME.

static String

openPort()

Java binding of MPI_OPEN_PORT using MPI_INFO_NULL.

static String

openPort(Info info)

Java binding of MPI_OPEN_PORT.

static void

publishName(String service, String port)

Java binding of MPI_PUBLISH_NAME using MPI_INFO_NULL.

static void

publishName(String service, Info info, String port)

Java binding of MPI_PUBLISH_NAME.

final void

scan(Object recvbuf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

final void

scan(Object sendbuf, Object recvbuf, int count, Datatype type, Op op)

Perform a prefix reduction on data distributed across the group.

final Intercomm

spawn(String command, String[] argv, int maxprocs, Info info, int root, int[] errcodes)

Java binding of MPI_COMM_SPAWN.

final Intercomm

spawnMultiple(String[] commands, String[][] argv, int[] maxprocs, Info[] info, int root, int[] errcodes)

Java binding of MPI_COMM_SPAWN_MULTIPLE.

final Intracomm

split(int colour, int key)

Partition the group associated with this communicator and create a new communicator within each subgroup.

final Intracomm

splitType(int splitType, int key, Info info)

Partition the group associated with this communicator and create a new communicator within each subgroup.

static void

unpublishName(String service, String port)

Java binding of MPI_UNPUBLISH_NAME using MPI_INFO_NULL.

static void

unpublishName(String service, Info info, String port)

Java binding of MPI_UNPUBLISH_NAME.

Methods inherited from class mpi.Comm
abort, allGather, allGather, allGatherv, allGatherv, allReduce, allReduce, allToAll, allToAllv, allToAllw, barrier, bcast, bSend, bSendInit, callErrhandler, compare, createIntercomm, createKeyval, deleteAttr, disconnect, dup, dupWithInfo, free, freeKeyval, gather, gather, gatherv, gatherv, gatherv, getAttr, getErrhandler, getGroup, getInfo, getName, getRank, getRequest, getSize, getTopology, iAllGather, iAllGather, iAllGatherv, iAllGatherv, iAllReduce, iAllReduce, iAllToAll, iAllToAllv, iAllToAllw, iBarrier, iBcast, ibSend, iDup, iGather, iGather, iGatherv, iGatherv, iGatherv, iNeighborAllGather, iNeighborAllGatherv, iNeighborAllToAll, iNeighborAllToAllv, iProbe, iRecv, iReduce, iReduce, iReduceScatter, iReduceScatter, iReduceScatterBlock, iReduceScatterBlock, irSend, iScatter, iScatter, iScatterv, iScatterv, iScatterv, iSend, isInter, isNull, isSend, neighborAllGather, neighborAllGatherv, neighborAllToAll, neighborAllToAllv, pack, packSize, probe, recv, recvInit, reduce, reduce, reduceLocal, reduceScatter, reduceScatter, reduceScatterBlock, reduceScatterBlock, rSend, rSendInit, scatter, scatter, scatterv, scatterv, scatterv, send, sendInit, sendRecv, sendRecvReplace, setAttr, setErrhandler, setInfo, setName, setType, sSend, sSendInit, unpack

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- Intracomm
  
  protected Intracomm()
- Intracomm
  
  protected Intracomm(long handle)
- Intracomm
  
  protected Intracomm(long[] commRequest)
Method Details
- clone
  
  public Intracomm clone()
  
  Duplicates this communicator.
  Java binding of MPI_COMM_DUP.
  It is recommended to use dup() instead of clone() because the last can't throw an MPIException.
  
  Overrides:
  
  clone in class Comm
  
  Returns:
  
  copy of this communicator
- dup
  
  public Intracomm dup() throws MPIException
  
  Duplicates this communicator.
  Java binding of MPI_COMM_DUP.
  
  Overrides:
  
  dup in class Comm
  
  Returns:
  
  copy of this communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- iDup
  
  public Intracomm iDup() throws MPIException
  
  Duplicates this communicator.
  Java binding of MPI_COMM_IDUP.
  The new communicator can't be used before the operation completes. The request object must be obtained calling Comm.getRequest().
  
  Overrides:
  
  iDup in class Comm
  
  Returns:
  
  copy of this communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- dupWithInfo
  
  public Intracomm dupWithInfo(Info info) throws MPIException
  
  Duplicates this communicator with the info object used in the call.
  Java binding of MPI_COMM_DUP_WITH_INFO.
  
  Overrides:
  
  dupWithInfo in class Comm
  
  Parameters:
  
  info - info object to associate with the new communicator
  
  Returns:
  
  copy of this communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- split
  
  public final Intracomm split(int colour, int key) throws MPIException
  
  Partition the group associated with this communicator and create a new communicator within each subgroup.
  Java binding of the MPI operation MPI_COMM_SPLIT.
  
  Parameters:
  
  colour - control of subset assignment
  
  key - control of rank assignment
  
  Returns:
  
  new communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- splitType
  
  public final Intracomm splitType(int splitType, int key, Info info) throws MPIException
  
  Partition the group associated with this communicator and create a new communicator within each subgroup.
  Java binding of the MPI operation MPI_COMM_SPLIT_TYPE.
  
  Parameters:
  
  splitType - type of processes to be grouped together
  
  key - control of rank assignment
  
  info - info argument
  
  Returns:
  
  new communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- create
  
  public final Intracomm create(Group group) throws MPIException
  
  Create a new communicator.
  Java binding of the MPI operation MPI_COMM_CREATE.
  
  Parameters:
  
  group - group which is a subset of the group of this communicator
  
  Returns:
  
  new communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createGroup
  
  public final Intracomm createGroup(Group group, int tag) throws MPIException
  
  Create a new intracommunicator for the given group.
  Java binding of the MPI operation MPI_COMM_CREATE_GROUP.
  
  Parameters:
  
  group - group which is a subset of the group of this communicator
  
  tag - an integer tag
  
  Returns:
  
  new communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createCart
  
  public final CartComm createCart(int[] dims, boolean[] periods, boolean reorder) throws MPIException
  
  Creates a communicator to which the Cartesian topology information is attached. Create a cartesian topology communicator whose group is a subset of the group of this communicator.
  Java binding of the MPI operation MPI_CART_CREATE.
  The number of dimensions of the Cartesian grid is taken to be the size of the dims argument. The array periods must be the same size.
  
  Parameters:
  
  dims - the number of processes in each dimension
  
  periods - true if grid is periodic, false if not, in each dimension
  
  reorder - true if ranking may be reordered, false if not
  
  Returns:
  
  new cartesian topology communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createGraph
  
  public final GraphComm createGraph(int[] index, int[] edges, boolean reorder) throws MPIException
  
  Creates a communicator to which the graph topology information is attached.
  Java binding of the MPI operation MPI_GRAPH_CREATE.
  The number of nodes in the graph, nnodes, is taken to be size of the index argument.
  
  Parameters:
  
  index - node degrees
  
  edges - graph edges
  
  reorder - true if ranking may be reordered, false if not
  
  Returns:
  
  new graph topology communicator
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createDistGraph
  
  public final GraphComm createDistGraph(int[] sources, int[] degrees, int[] destinations, int[] weights, Info info, boolean reorder) throws MPIException
  
  Creates a communicator to which the distributed graph topology information is attached.
  Java binding of the MPI operation MPI_DIST_GRAPH_CREATE.
  The number of source nodes is the size of the sources argument.
  
  Parameters:
  
  sources - source nodes for which this process specifies edges
  
  degrees - number of destinations for each source node
  
  destinations - destination nodes for the source nodes
  
  weights - weights for source to destination edges
  
  info - hints on optimization and interpretation of weights
  
  reorder - the process may be reordered (true) or not (false)
  
  Returns:
  
  communicator with distributed graph topology
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createDistGraph
  
  public final GraphComm createDistGraph(int[] sources, int[] degrees, int[] destinations, Info info, boolean reorder) throws MPIException
  
  Creates a communicator to which the distributed graph topology information is attached.
  Java binding of the MPI operation MPI_DIST_GRAPH_CREATE using MPI_UNWEIGHTED.
  The number of source nodes is the size of the sources argument.
  
  Parameters:
  
  sources - source nodes for which this process specifies edges
  
  degrees - number of destinations for each source node
  
  destinations - destination nodes for the source nodes
  
  info - hints on optimization and interpretation of weights
  
  reorder - the process may be reordered (true) or not (false)
  
  Returns:
  
  communicator with distributed graph topology
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createDistGraphAdjacent
  
  public final GraphComm createDistGraphAdjacent(int[] sources, int[] sourceWeights, int[] destinations, int[] destWeights, Info info, boolean reorder) throws MPIException
  
  Creates a communicator to which the distributed graph topology information is attached.
  Java binding of the MPI operation MPI_DIST_GRAPH_CREATE_ADJACENT.
  The number of source/destination nodes is the size of the sources/destinations argument.
  
  Parameters:
  
  sources - ranks of processes for which the calling process is a destination
  
  sourceWeights - weights of the edges into the calling process
  
  destinations - ranks of processes for which the calling process is a source
  
  destWeights - weights of the edges out of the calling process
  
  info - hints on optimization and interpretation of weights
  
  reorder - the process may be reordered (true) or not (false)
  
  Returns:
  
  communicator with distributed graph topology
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- createDistGraphAdjacent
  
  public final GraphComm createDistGraphAdjacent(int[] sources, int[] destinations, Info info, boolean reorder) throws MPIException
  
  Creates a communicator to which the distributed graph topology information is attached.
  Java binding of the MPI operation MPI_DIST_GRAPH_CREATE_ADJACENT using MPI_UNWEIGHTED.
  The number of source/destination nodes is the size of the sources/destinations argument.
  
  Parameters:
  
  sources - ranks of processes for which the calling process is a destination
  
  destinations - ranks of processes for which the calling process is a source
  
  info - hints on optimization and interpretation of weights
  
  reorder - the process may be reordered (true) or not (false)
  
  Returns:
  
  communicator with distributed graph topology
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- scan
  
  public final void scan(Object sendbuf, Object recvbuf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_SCAN.
  
  Parameters:
  
  sendbuf - send buffer array
  
  recvbuf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- scan
  
  public final void scan(Object recvbuf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_SCAN using MPI_IN_PLACE instead of the send buffer.
  
  Parameters:
  
  recvbuf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- iScan
  
  public final Request iScan(Buffer sendbuf, Buffer recvbuf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_ISCAN.
  
  Parameters:
  
  sendbuf - send buffer array
  
  recvbuf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Returns:
  
  communication request
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- iScan
  
  public final Request iScan(Buffer buf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_ISCAN using MPI_IN_PLACE instead of the send buffer.
  
  Parameters:
  
  buf - send/receive buffer array
  
  count - number of items in buffer
  
  type - data type of each item in buffer
  
  op - reduce operation
  
  Returns:
  
  communication request
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- exScan
  
  public final void exScan(Object sendbuf, Object recvbuf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_EXSCAN.
  
  Parameters:
  
  sendbuf - send buffer array
  
  recvbuf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- exScan
  
  public final void exScan(Object buf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_EXSCAN using MPI_IN_PLACE instead of the send buffer.
  
  Parameters:
  
  buf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- iExScan
  
  public final Request iExScan(Buffer sendbuf, Buffer recvbuf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_IEXSCAN.
  
  Parameters:
  
  sendbuf - send buffer array
  
  recvbuf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Returns:
  
  communication request
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- iExScan
  
  public final Request iExScan(Buffer buf, int count, Datatype type, Op op) throws MPIException
  
  Perform a prefix reduction on data distributed across the group.
  Java binding of the MPI operation MPI_IEXSCAN using MPI_IN_PLACE instead of the send buffer.
  
  Parameters:
  
  buf - receive buffer array
  
  count - number of items in input buffer
  
  type - data type of each item in input buffer
  
  op - reduce operation
  
  Returns:
  
  communication request
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- openPort
  
  public static String openPort() throws MPIException
  
  Java binding of MPI_OPEN_PORT using MPI_INFO_NULL.
  
  Returns:
  
  port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- openPort
  
  public static String openPort(Info info) throws MPIException
  
  Java binding of MPI_OPEN_PORT.
  
  Parameters:
  
  info - implementation-specific information
  
  Returns:
  
  port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- closePort
  
  public static void closePort(String name) throws MPIException
  
  Java binding of MPI_CLOSE_PORT.
  
  Parameters:
  
  name - port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- accept
  
  public final Intercomm accept(String port, int root) throws MPIException
  
  Java binding of MPI_COMM_ACCEPT using MPI_INFO_NULL.
  
  Parameters:
  
  port - port name
  
  root - rank in comm of root node
  
  Returns:
  
  intercommunicator with client as remote group
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- accept
  
  public final Intercomm accept(String port, Info info, int root) throws MPIException
  
  Java binding of MPI_COMM_ACCEPT.
  
  Parameters:
  
  port - port name
  
  info - implementation-specific information
  
  root - rank in comm of root node
  
  Returns:
  
  intercommunicator with client as remote group
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- connect
  
  public final Intercomm connect(String port, int root) throws MPIException
  
  Java binding of MPI_COMM_CONNECT using MPI_INFO_NULL.
  
  Parameters:
  
  port - port name
  
  root - rank in comm of root node
  
  Returns:
  
  intercommunicator with server as remote group
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- connect
  
  public final Intercomm connect(String port, Info info, int root) throws MPIException
  
  Java binding of MPI_COMM_CONNECT.
  
  Parameters:
  
  port - port name
  
  info - implementation-specific information
  
  root - rank in comm of root node
  
  Returns:
  
  intercommunicator with server as remote group
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- publishName
  
  public static void publishName(String service, String port) throws MPIException
  
  Java binding of MPI_PUBLISH_NAME using MPI_INFO_NULL.
  
  Parameters:
  
  service - service name
  
  port - port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- publishName
  
  public static void publishName(String service, Info info, String port) throws MPIException
  
  Java binding of MPI_PUBLISH_NAME.
  
  Parameters:
  
  service - service name
  
  info - implementation-specific information
  
  port - port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- unpublishName
  
  public static void unpublishName(String service, String port) throws MPIException
  
  Java binding of MPI_UNPUBLISH_NAME using MPI_INFO_NULL.
  
  Parameters:
  
  service - service name
  
  port - port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- unpublishName
  
  public static void unpublishName(String service, Info info, String port) throws MPIException
  
  Java binding of MPI_UNPUBLISH_NAME.
  
  Parameters:
  
  service - service name
  
  info - implementation-specific information
  
  port - port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- lookupName
  
  public static String lookupName(String service) throws MPIException
  
  Java binding of MPI_LOOKUP_NAME using MPI_INFO_NULL.
  
  Parameters:
  
  service - service name
  
  Returns:
  
  port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- lookupName
  
  public static String lookupName(String service, Info info) throws MPIException
  
  Java binding of MPI_LOOKUP_NAME.
  
  Parameters:
  
  service - service name
  
  info - mplementation-specific information
  
  Returns:
  
  port name
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- spawn
  
  public final Intercomm spawn(String command, String[] argv, int maxprocs, Info info, int root, int[] errcodes) throws MPIException
  
  Java binding of MPI_COMM_SPAWN. This intracommunicator will contain the group of spawned processes.
  
  Parameters:
  
  command - name of program to be spawned
  
  argv - arguments to command; if this parameter is null, MPI_ARGV_NULL will be used.
  
  maxprocs - maximum number of processes to start
  
  info - info object telling the runtime where and how to start the processes
  
  root - rank of process in which previous arguments are examined
  
  errcodes - one code per process; if this parameter is null, MPI_ERRCODES_IGNORE will be used.
  
  Returns:
  
  intercommunicator between original group and the newly spawned group
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.
- spawnMultiple
  
  public final Intercomm spawnMultiple(String[] commands, String[][] argv, int[] maxprocs, Info[] info, int root, int[] errcodes) throws MPIException
  
  Java binding of MPI_COMM_SPAWN_MULTIPLE. This intracommunicator will contain the group of spawned processes.
  
  Parameters:
  
  commands - programs to be executed
  
  argv - arguments for commands; if this parameter is null, MPI_ARGVS_NULL will be used.
  
  maxprocs - maximum number of processes to start for each command
  
  info - info objects telling the runtime where and how to start the processes
  
  root - rank of process in which previous arguments are examined
  
  errcodes - one code per process; if this parameter is null, MPI_ERRCODES_IGNORE will be used.
  
  Returns:
  
  intercommunicator between original group and the newly spawned group
  
  Throws:
  
  MPIException - Signals that an MPI exception of some sort has occurred.

Class Intracomm

Field Summary

Fields inherited from class mpi.Comm

Constructor Summary

Method Summary

Methods inherited from class mpi.Comm

Methods inherited from class java.lang.Object

Constructor Details

Intracomm

Intracomm

Intracomm

Method Details

clone

dup

iDup

dupWithInfo

split

splitType

create

createGroup

createCart

createGraph

createDistGraph

createDistGraph

createDistGraphAdjacent

createDistGraphAdjacent

scan

scan

iScan

iScan

exScan

exScan

iExScan

iExScan

openPort

openPort

closePort

accept

accept

connect

connect

publishName

publishName

unpublishName

unpublishName

lookupName

lookupName

spawn

spawnMultiple