pbdBASE (version 0.2-3)

BLACS Exit: BLACS Exit

Description

Shuts down all BLACS communicators.

Usage

blacsexit(CONT = TRUE)

Arguments

CONT

logical; determines whether or not to shut down all MPI communicators

Value

• Has an invisible return of 0 when successful.

Details

If the user wishes to shut down BLACS communicators but still have access to MPI, then call this function with CONT=TRUE. Calling blacsexit(CONT=FALSE) will shut down all MPI communicators, equivalent to calling > blacsexit(CONT=TRUE) > finalize(mpi.finalize=TRUE) This function is automatically invoked if BLACS communicators are running and finalize() is called.

See Also

InitGrid

Examples

# Save code in a file "demo.r" and run with 2 processors by
# > mpiexec -np 2 Rscript demo.r

library(pbdBASE, quiet = TRUE)
init.grid()

blacsexit()

finalize()