info {pbdMPI} | R Documentation |
Info Functions
Description
The functions call MPI info functions.
Usage
info.create(info = .pbd_env$SPMD.CT$info)
info.set(info = .pbd_env$SPMD.CT$info, key, value)
info.free(info = .pbd_env$SPMD.CT$info)
info.c2f(info = .pbd_env$SPMD.CT$info)
Arguments
info |
a info number. |
key |
a character string to be set. |
value |
a character string to be set associate with |
Details
These functions are for internal functions. Potentially, they set information for initialization of manager and workers.
Value
An invisible state of MPI call is returned.
Author(s)
Wei-Chen Chen wccsnow@gmail.com, George Ostrouchov, Drew Schmidt, Pragneshkumar Patel, and Hao Yu.
References
Programming with Big Data in R Website: https://pbdr.org/
Examples
## Not run:
### Save code in a file "demo.r" and run with 2 processors by
### SHELL> mpiexec -np 2 Rscript demo.r
spmd.code <- "
### Initialize
suppressMessages(library(pbdMPI, quietly = TRUE))
.comm.size <- comm.size()
.comm.rank <- comm.rank()
### Examples.
info.create(0L)
info.set(0L, \"file\", \"appschema\")
info.free(0L)
### Finish.
finalize()
"
# execmpi(spmd.code, nranks = 2L)
## End(Not run)
[Package pbdMPI version 0.5-1 Index]