Python mpi_barrier Examples

Example #1

File: mpiGUI.py Project: santiama/OOF3D

 def destroy(self, *args):
     mpitools.broadcast_string("quit", 0)  ## args: command and sender
     self.window.hide()
     gtk.mainquit()
     print "quitting main"
     sys.stdout.flush()
     mpitools.mpi_barrier()
     sys.exit()

Example #2

File: collective_broadcast.py Project: santiama/OOF3D

def h(x=None):
  try:
    if rank == 0:
      pass
    else:
      raise mpitools.MPIException()
  finally:
    mpitools.mpi_barrier() ## all  process wait each other here

Example #3

File: mpiGUI.py Project: anilkunwar/OOF2

 def destroy(self, *args):
     mpitools.broadcast_string("quit", 0) ## args: command and sender
     self.window.hide()
     gtk.mainquit()
     print "quitting main"
     sys.stdout.flush()
     mpitools.mpi_barrier()
     sys.exit()

Example #4

File: advanced_broadcast.py Project: anilkunwar/OOF2

def h(x=None):
  try:
    if rank == 0:
      for i in range(10):
        msg = mpitools.receive_string(1)
        print msg
    else:
      for i in range(10):
        mpitools.send_string("this is a freakin test", 0);
  finally:
    mpitools.mpi_barrier() ## all  process wait each other here

Example #5

def h(x=None):
    try:
        if rank == 0:
            for i in range(10):
                msg = mpitools.receive_string(1)
                print msg
        else:
            for i in range(10):
                mpitools.send_string("this is a freakin test", 0)
    finally:
        mpitools.mpi_barrier()  ## all  process wait each other here

Example #6

File: collective_broadcast.py Project: santiama/OOF3D

def f(x=None): ## function to be executed by all threads
  if rank == 0:
    print "long job on process=", rank
    sys.stdout.flush()
    for i in range(5000000):
      pass ## do something a little long and tedious
  else:
    print "short job on process=", rank
    sys.stdout.flush()
    for i in range(50):
      pass ## do something longer and much more tedious
  
  mpitools.mpi_barrier() ## all processes just wait each othere here

Example #7

File: mpi_and_threads_test.py Project: anilkunwar/OOF2

def f(x=None): ## function to be executed by all threads
  if rank == 0:
    print "long job on process=", rank
    sys.stdout.flush()
    for i in range(5000000):
      pass ## do something a little long and tedious
  elif rank == 1:
    print "short job on process=", rank
    sys.stdout.flush()
    
    for i in range(50):
      pass ## do something longer and much more tedious
  
  ##print "waiting for completion", rank
  ## sys.stdout.flush()
  mpitools.mpi_barrier() ## any other process just waits

Example #8

File: mpi_and_threads_test.py Project: santiama/OOF3D

def f(x=None):  ## function to be executed by all threads
    if rank == 0:
        print "long job on process=", rank
        sys.stdout.flush()
        for i in range(5000000):
            pass  ## do something a little long and tedious
    elif rank == 1:
        print "short job on process=", rank
        sys.stdout.flush()

        for i in range(50):
            pass  ## do something longer and much more tedious

    ##print "waiting for completion", rank
    ## sys.stdout.flush()
    mpitools.mpi_barrier()  ## any other process just waits

Example #9

import oofcppc ## import this ALWAYS before any swig-generated modules
from ooflib.SWIG.common import mpitools

start_time = time.time()


mpitools.mpi_initialize(sys.argv)
## no need to use mpi_finalize. The modele  at_exit takes care of that.


numproc = mpitools.size()
myid =    mpitools.rank()
node =    mpitools.get_processor_name()
lag = 0
print "I am proc %d of %d on node %s" %(myid+1, numproc, node)
mpitools.mpi_barrier() ## synchronizes all the processes


  
if numproc < 2:
  print "Demo must run on at least 2 processors to continue"      
  mpitools.mpi_abort()
  ## sys.exit()
  
if myid == 0:
  proc_0_time = time.time()
  msg = "%f"%proc_0_time  
  print 'Processor 1 sending message "%s" to processor %d' %(msg, 2)
  print  start_time, proc_0_time
  mpitools.send_string(msg, 1)
  mpitools.mpi_barrier()

Example #10

##
##

## Initialization overhead.
sys.path.append("")
os.chdir("/Users/edwin/NIST/OOF2/MPIBUILD")
import oofcppc ## import this ALWAYS before any swig-generated modules
from ooflib.SWIG.common import mpitools
mpitools.mpi_initialize(sys.argv)
## no need to use mpi_finalize. The modele  at_exit takes care of that.
numproc = mpitools.size()
rank =    mpitools.rank()
name =    mpitools.get_processor_name()
msg = ""
## All processes wait each other here.
mpitools.mpi_barrier()


### GTK classes start HERE ###
class mpiGUI:
  def __init__(self):
    ## create gtk window
    self.window = gtk.GtkWindow(gtk.WINDOW_TOPLEVEL)
    self.window.connect("destroy", self.destroy)
    self.window.set_border_width(10)
    self.window.set_usize(140, 100)
    
    self.control_box = gtk.GtkVBox(gtk.FALSE,0)
    self.window.add(self.control_box)                      
    self.control_box.show()
    

Example #11

File: parallelmainmenu.py Project: shkeshavarz/OOF2

def _computation_cost(menuitem):
    debug.fmsg()
    parallel_performance.set_performance_cost()
    ## makes a crude estimate of the processing and memory speed
    mpitools.mpi_barrier()

Example #12

File: mpi_and_threads_test.py Project: anilkunwar/OOF2

##
## For generalities, check latency.py
##
##
sys.path.append("")
os.chdir("/u/home3/reida/work/OOF2/mpi_build")
## MPI Initialization overhead.
import oofcppc ## import this ALWAYS before any swig-generated modules
from ooflib.SWIG.common import mpitools
from ooflib.SWIG.engine.PETSc import petsc_solver

mpitools.mpi_initialize(sys.argv)
numproc = mpitools.size()
rank =    mpitools.rank()
name =    mpitools.get_processor_name()
mpitools.mpi_barrier() ## All processes wait each other here.


def f(x=None): ## function to be executed by all threads
  if rank == 0:
    print "long job on process=", rank
    sys.stdout.flush()
    for i in range(5000000):
      pass ## do something a little long and tedious
  elif rank == 1:
    print "short job on process=", rank
    sys.stdout.flush()
    
    for i in range(50):
      pass ## do something longer and much more tedious
  

Example #13

def _computation_cost(menuitem):
    debug.fmsg()
    parallel_performance.set_performance_cost()
    ## makes a crude estimate of the processing and memory speed
    mpitools.mpi_barrier()

Example #14

File: mpi_and_threads_test.py Project: santiama/OOF3D

##
## For generalities, check latency.py
##
##
sys.path.append("")
os.chdir("/u/home3/reida/work/OOF2/mpi_build")
## MPI Initialization overhead.
import oofcppc  ## import this ALWAYS before any swig-generated modules
from ooflib.SWIG.common import mpitools
from ooflib.SWIG.engine.PETSc import petsc_solver

mpitools.mpi_initialize(sys.argv)
numproc = mpitools.size()
rank = mpitools.rank()
name = mpitools.get_processor_name()
mpitools.mpi_barrier()  ## All processes wait each other here.


def f(x=None):  ## function to be executed by all threads
    if rank == 0:
        print "long job on process=", rank
        sys.stdout.flush()
        for i in range(5000000):
            pass  ## do something a little long and tedious
    elif rank == 1:
        print "short job on process=", rank
        sys.stdout.flush()

        for i in range(50):
            pass  ## do something longer and much more tedious

Example #15

File: advanced_broadcast.py Project: anilkunwar/OOF2

def parallel_quit():
  sys.stdout.flush()
  mpitools.mpi_barrier() ## --"all together, now!"-- Lennon and McCartney 
  sys.exit()

Example #16

def parallel_quit():
    sys.stdout.flush()
    mpitools.mpi_barrier()  ## --"all together, now!"-- Lennon and McCartney
    sys.exit()