MPI Distributed Simulation

Collaboration diagram for MPI Distributed Simulation:

Modules
	MPI Distributed Simulation tests

Files
file	distributed-simulator-impl.cc
	Implementation of classes ns3::LbtsMessage and ns3::DistributedSimulatorImpl.
file	distributed-simulator-impl.h
	Declaration of classes ns3::LbtsMessage and ns3::DistributedSimulatorImpl.
file	granted-time-window-mpi-interface.cc
	Implementation of classes ns3::SentBuffer and ns3::GrantedTimeWindowMpiInterface.
file	granted-time-window-mpi-interface.h
	Declaration of classes ns3::SentBuffer and ns3::GrantedTimeWindowMpiInterface.
file	mpi-interface.cc
	Implementation of class ns3::MpiInterface.
file	mpi-interface.h
	Declaration of class ns3::MpiInterface.
file	mpi-receiver.cc
	ns3::MpiReceiver implementation, provides an interface to aggregate to MPI-compatible NetDevices.
file	mpi-receiver.h
	ns3::MpiReceiver declaration, provides an interface to aggregate to MPI-compatible NetDevices.
file	mpi-test-fixtures.h
	Common methods for MPI examples.
file	nms-p2p-nix-distributed.cc
	DARPA NMS Campus Network Model.
file	null-message-mpi-interface.cc
	Implementation of classes ns3::NullMessageSentBuffer and ns3::NullMessageMpiInterface.
file	null-message-mpi-interface.h
	Declaration of classes ns3::NullMessageSentBuffer and ns3::NullMessageMpiInterface.
file	null-message-simulator-impl.cc
	Implementation of class ns3::NullMessageSimulatorImpl.
file	null-message-simulator-impl.h
	Declaration of class ns3::NullMessageSimulatorImpl.
file	parallel-communication-interface.h
	Declaration of class ns3::ParallelCommunicationInterface.
file	remote-channel-bundle-manager.cc
	Implementation of class ns3::RemoteChannelBundleManager.
file	remote-channel-bundle-manager.h
	Declaration of class ns3::RemoteChannelBundleManager.
file	remote-channel-bundle.cc
	Implementation of class ns3::RemoteChannelBundle.
file	remote-channel-bundle.h
	Declaration of class ns3::RemoteChannelBundle.
file	simple-distributed-empty-node.cc
	This test is equivalent to simple-distributed but tests boundary cases when one of the ranks has no Nodes on it.
file	simple-distributed-mpi-comm.cc
	This test is equivalent to simple-distributed with the addition of initialization of MPI by user code (this script) and providing a communicator to ns-3.
file	simple-distributed.cc
	TestDistributed creates a dumbbell topology and logically splits it in half.
file	third-distributed.cc
	Distributed version of third.cc from the tutorial.

Classes
class	ns3::DistributedSimulatorImpl
	Distributed simulator implementation using lookahead. More...
class	ns3::GrantedTimeWindowMpiInterface
	Interface between ns-3 and MPI. More...
class	ns3::LbtsMessage
	Structure used for all-reduce LBTS computation. More...
class	ns3::MpiInterface
	Singleton used to interface to the communications infrastructure when running NS3 in parallel. More...
class	ns3::MpiReceiver
	Class to aggregate to a NetDevice if it supports MPI capability. More...
class	ns3::NullMessageMpiInterface
	Interface between ns-3 and MPI for the Null Message distributed simulation implementation. More...
class	ns3::NullMessageSentBuffer
	Non-blocking send buffers for Null Message implementation. More...
class	ns3::NullMessageSimulatorImpl
	Simulator implementation using MPI and a Null Message algorithm. More...
class	ns3::ParallelCommunicationInterface
	Pure virtual base class for the interface between ns-3 and the parallel communication layer being used. More...
class	ns3::RemoteChannelBundle
	Collection of ns-3 channels between local and remote nodes. More...
class	ns3::RemoteChannelBundleManager
	Singleton for managing the RemoteChannelBundles for each process. More...
class	ns3::SentBuffer
	Tracks non-blocking sends. More...
class	ns3::SinkTracer
	Collects data about incoming packets. More...

Macros
#define	RANK0COUT(x)
	Write to std::cout only from rank 0.
#define	RANK0COUTAPPEND(x)
	Append to std::cout only from rank 0.

Detailed Description

Macro Definition Documentation

RANK0COUT

#define RANK0COUT

(

x

)

Value:

    do                                                                                             \
        if (SinkTracer::GetWorldRank() == 0)                                                       \
        {                                                                                          \
            std::cout << "TEST : ";                                                                \
            std::ios_base::fmtflags f(std::cout.flags());                                          \
            std::cout << std::setfill('0') << std::setw(5) << SinkTracer::GetLineCount();          \
            std::cout.flags(f);                                                                    \
            std::cout << " : " << x;                                                               \
        }                                                                                          \
    while (false)

Write to std::cout only from rank 0.

Number line for sorting output of parallel runs.

Parameters

x	The output operators.

Definition at line 60 of file mpi-test-fixtures.h.

RANK0COUTAPPEND

#define RANK0COUTAPPEND

(

x

)

Value:

    do                                                                                             \
        if (SinkTracer::GetWorldRank() == 0)                                                       \
        {                                                                                          \
            std::cout << x;                                                                        \
        }                                                                                          \
    while (false)

Append to std::cout only from rank 0.

Number line for sorting output of parallel runs.

Parameters

x	The output operators.

Definition at line 80 of file mpi-test-fixtures.h.