Description Usage Arguments Details Value Examples
View source: R/base_mpi_blacs.r
"Optimal" process grid when nprow and npcol are empty
1 | base.procgrid(nprocs)
|
nprocs |
Number of processors. |
For advanced users only. See pbdDMAT for high-level functions.
A list contains nprow and npcol.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | spmd.code <- "
suppressMessages(library(pbdMPI))
suppressMessages(library(pbdBASE))
init.grid()
opt <- base.procgrid(4)
comm.print(opt)
opt <- base.procgrid(6)
comm.print(opt)
opt <- base.procgrid(8)
comm.print(opt)
finalize()
"
pbdMPI::execmpi(spmd.code = spmd.code, nranks = 1L)
|
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