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Refactored test_parallel_distribute_domain.py
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#------------------------------------------------------------------------------ | ||
# Import necessary modules | ||
#------------------------------------------------------------------------------ | ||
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from builtins import range | ||
from builtins import object | ||
import unittest | ||
import os | ||
import sys | ||
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from anuga.utilities.system_tools import get_pathname_from_package | ||
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import numpy as num | ||
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from anuga.utilities import parallel_abstraction as pypar | ||
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#------------------------------------------ | ||
# anuga imports | ||
#------------------------------------------ | ||
import anuga | ||
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from anuga.utilities.numerical_tools import ensure_numeric | ||
from anuga.utilities.util_ext import double_precision | ||
from anuga.utilities.norms import l1_norm, l2_norm, linf_norm | ||
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from anuga import Domain | ||
from anuga import Reflective_boundary | ||
from anuga import Dirichlet_boundary | ||
from anuga import Time_boundary | ||
from anuga import Transmissive_boundary | ||
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from anuga import rectangular_cross | ||
from anuga import create_domain_from_file | ||
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from anuga.parallel import distribute, myid, numprocs, finalize | ||
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#-------------------------------------------------------------------------- | ||
# Setup parameters | ||
#-------------------------------------------------------------------------- | ||
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mod_path = get_pathname_from_package('anuga.parallel') | ||
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mesh_filename = os.path.join(mod_path,'data','merimbula_10785_1.tsh') | ||
#mesh_filename = os.path.join(mod_path,'data','test-100.tsh') | ||
yieldstep = 1 | ||
finaltime = 20 | ||
quantity = 'stage' | ||
nprocs = 4 | ||
verbose = False | ||
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#-------------------------------------------------------------------------- | ||
# Setup procedures | ||
#-------------------------------------------------------------------------- | ||
class Set_Stage(object): | ||
"""Set an initial condition with constant water height, for x<x0 | ||
""" | ||
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def __init__(self, x0=0.25, x1=0.5, h=1.0): | ||
self.x0 = x0 | ||
self.x1 = x1 | ||
self.h = h | ||
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def __call__(self, x, y): | ||
return self.h*((x>self.x0)&(x<self.x1)) | ||
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domain = create_domain_from_file(mesh_filename) | ||
domain.set_quantity('stage', Set_Stage(756000.0, 756500.0, 2.0)) | ||
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#-------------------------------------------------------------------------- | ||
# Create parallel domain if requested | ||
#-------------------------------------------------------------------------- | ||
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if numprocs > 1: | ||
if myid == 0 and verbose: print('DISTRIBUTING PARALLEL DOMAIN') | ||
domain = distribute(domain) | ||
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#------------------------------------------------------------------------------ | ||
# Setup boundary conditions | ||
# This must currently happen *after* domain has been distributed | ||
#------------------------------------------------------------------------------ | ||
domain.store = False | ||
Br = Reflective_boundary(domain) # Solid reflective wall | ||
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domain.set_boundary({'outflow' :Br, 'inflow' :Br, 'inner' :Br, 'exterior' :Br, 'open' :Br}) | ||
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#------------------------------------------------------------------------------ | ||
# Setup diagnostic arrays | ||
#------------------------------------------------------------------------------ | ||
l1list = [] | ||
l2list = [] | ||
linflist = [] | ||
l1norm = num.zeros(3, float) | ||
l2norm = num.zeros(3, float) | ||
linfnorm = num.zeros(3, float) | ||
recv_norm = num.zeros(3, float) | ||
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#------------------------------------------------------------------------------ | ||
# Evolution | ||
#------------------------------------------------------------------------------ | ||
if numprocs > 1: | ||
if myid == 0 and verbose: print('PARALLEL EVOLVE') | ||
else: | ||
if verbose: print('SEQUENTIAL EVOLVE') | ||
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for t in domain.evolve(yieldstep=yieldstep, finaltime=finaltime): | ||
edges = domain.quantities[quantity].edge_values.take(num.flatnonzero(domain.tri_full_flag),axis=0) | ||
l1norm[0] = l1_norm(edges[:,0]) | ||
l1norm[1] = l1_norm(edges[:,1]) | ||
l1norm[2] = l1_norm(edges[:,2]) | ||
l2norm[0] = l2_norm(edges[:,0]) | ||
l2norm[1] = l2_norm(edges[:,1]) | ||
l2norm[2] = l2_norm(edges[:,2]) | ||
linfnorm[0] = linf_norm(edges[:,0]) | ||
linfnorm[1] = linf_norm(edges[:,1]) | ||
linfnorm[2] = linf_norm(edges[:,2]) | ||
if numprocs > 1: | ||
l2norm[0] = pow(l2norm[0], 2) | ||
l2norm[1] = pow(l2norm[1], 2) | ||
l2norm[2] = pow(l2norm[2], 2) | ||
if myid == 0: | ||
#domain.write_time() | ||
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#print edges[:,1] | ||
for p in range(1, numprocs): | ||
recv_norm = pypar.receive(p) | ||
l1norm += recv_norm | ||
recv_norm = pypar.receive(p) | ||
l2norm += recv_norm | ||
recv_norm = pypar.receive(p) | ||
linfnorm[0] = max(linfnorm[0], recv_norm[0]) | ||
linfnorm[1] = max(linfnorm[1], recv_norm[1]) | ||
linfnorm[2] = max(linfnorm[2], recv_norm[2]) | ||
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l2norm[0] = pow(l2norm[0], 0.5) | ||
l2norm[1] = pow(l2norm[1], 0.5) | ||
l2norm[2] = pow(l2norm[2], 0.5) | ||
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l1list.append(l1norm) | ||
l2list.append(l2norm) | ||
linflist.append(linfnorm) | ||
else: | ||
pypar.send(l1norm, 0) | ||
pypar.send(l2norm, 0) | ||
pypar.send(linfnorm, 0) | ||
else: | ||
#domain.write_time() | ||
l1list.append(l1norm) | ||
l2list.append(l2norm) | ||
linflist.append(linfnorm) | ||
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# Store results in the appropriate file | ||
if numprocs > 1: | ||
fid = open('distribute_domain_parallel.txt', 'w') | ||
else: | ||
fid = open('distribute_domain_sequential.txt', 'w') | ||
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#fid.write( | ||
print(l1list, l2list, linflist) | ||
print(len(l1list), len(l2list), len(linflist)) | ||
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for i in range(len(l1list)): | ||
fid.write('%f %f %f %f %f %f %f %f %f\n' % (l1list[i][0], l1list[i][1], l1list[i][2], | ||
l2list[i][0], l2list[i][1], l2list[i][2], | ||
linflist[i][0], linflist[i][1], linflist[i][2])) | ||
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fid.close() |
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