sla.gridExit {RScaLAPACK}R Documentation

Releases the Process Grid for ScaLAPACK Computations

Description

Releases the grid used by sla.* functions.

Usage

  sla.gridExit()

Details

This function sends out a request to all the processes, telling them to exit. The user is then free to spawn a new grid (of a different size). It does NOT call MPI_Finalize or anything like that.

Author(s)

Nagiza Samatova (samatovan@ornl.gov), Guruprasad Kora (koragh@ornl.gov), Srikanth Yoginath (yoginathsb@ornl.gov), David Bauer (bauerda@ornl.gov)

References

http://www.netlib.org/scalapack/

See Also

sla.gridInit spawns the processes to form a Process Grid,

Examples


x = matrix(rnorm(128*128), 128, 128)
sla.gridInit(NPROCS=4)
sla.solve(x, NPROWS=4)->a
sla.gridExit()


[Package RScaLAPACK version 0.6.1 Index]