mpcxx_spmd_initialize

MPCXX_SPMD_INITIALIZE(3)

MTTL-ULT LIBRARY (C)

MPCXX_SPMD_INITIALIZE(3)

NAME

mpcxx_spmd_initialize - initialize MTTL-ULT thread library

SYNOPSIS

#include <mpcxx.h>

void mpcxx_spmd_initialize(int argc, char **argv);

DESCRIPTION

The mpcxx_spmd_initialize() function initializes the MTTL-ULT thread library. All MTTL-related functions must be called after calling mpcxx_spmd_initialize(). The arguments argc and argv must be the same as those passed to the main() function.

Unlike mpcxx_initialize(), mpcxx_spmd_initialize() returns to the main() thread on every node.

A user-parallel process will be terminated only when exit() is called on every node. This is not the case for an MPC++ program initialized using mpcxx_initialize().

NOTES

Do not print out messages to standard output before calling mpcxx_spmd_initialize().

BUGS

All Sync and GlobalPtr objects are NOT initialized until after mpcxx_spmd_initialize() is called. Those objects in a file scope are also NOT initialized. Further, automatic objects in the main() function are NOT initialized.