def check_if_kill(folder):
"""Check if user has put a file named killoasis in folder."""
found = 0
if 'killoasis' in listdir(folder):
found = 1
collective = MPI.sum(MPI.comm_world, found)
if collective > 0:
if MPI.rank(MPI.comm_world) == 0:
remove(path.join(folder, 'killoasis'))
info_red('killoasis Found! Stopping simulations cleanly...')
return True
else:
return False
def check_if_reset_statistics(folder):
"""Check if user has put a file named resetoasis in folder."""
found = 0
if 'resetoasis' in listdir(folder):
found = 1
collective = MPI.sum(MPI.comm_world, found)
if collective > 0:
if MPI.rank(MPI.comm_world) == 0:
remove(path.join(folder, 'resetoasis'))
info_red('resetoasis Found!')
return True
else:
return False
def check_if_reset_statistics(folder):
"""Check if user has put a file named resetoasis in folder."""
found = 0
if 'resetoasis' in listdir(folder):
found = 1
collective = MPI.sum(MPI.comm_world, found)
if collective > 0:
if MPI.rank(MPI.comm_world) == 0:
remove(path.join(folder, 'resetoasis'))
info_red('resetoasis Found!')
return True
else:
return False
def check_if_kill(folder):
"""Check if user has put a file named killoasis in folder."""
found = 0
if 'killoasis' in listdir(folder):
found = 1
collective = MPI.sum(MPI.comm_world, found)
if collective > 0:
if MPI.rank(MPI.comm_world) == 0:
remove(path.join(folder, 'killoasis'))
info_red('killoasis Found! Stopping simulations cleanly...')
return True
else:
return False
def check_if_pause(folder):
"""Check if user has put a file named pauseoasis in folder."""
found = 0
if 'pauseoasis' in listdir(folder):
found = 1
collective = MPI.sum(MPI.comm_world, found)
if collective > 0:
if MPI.rank(MPI.comm_world) == 0:
info_red('pauseoasis Found! Simulations paused. Remove ' +
path.join(folder, 'pauseoasis') +
' to resume simulations...')
return True
else:
return False
def create_initial_folders(folder, restart_folder, sys_comp, tstep, info_red,
scalar_components, output_timeseries_as_vector,
**NS_namespace):
"""Create necessary folders."""
info_red("Creating initial folders")
# To avoid writing over old data create a new folder for each run
if MPI.rank(MPI.comm_world) == 0:
try:
makedirs(folder)
except OSError:
pass
MPI.barrier(MPI.comm_world)
newfolder = path.join(folder, 'data')
if restart_folder:
newfolder = path.join(newfolder, restart_folder.split('/')[-2])
else:
if not path.exists(newfolder):
newfolder = path.join(newfolder, '1')
else:
#previous = listdir(newfolder)
previous = [f for f in listdir(newfolder) if not f.startswith('.')]
previous = max(map(eval, previous)) if previous else 0
newfolder = path.join(newfolder, str(previous + 1))
MPI.barrier(MPI.comm_world)
if MPI.rank(MPI.comm_world) == 0:
if not restart_folder:
#makedirs(path.join(newfolder, "Voluviz"))
#makedirs(path.join(newfolder, "Stats"))
#makedirs(path.join(newfolder, "VTK"))
makedirs(path.join(newfolder, "Timeseries"))
makedirs(path.join(newfolder, "Checkpoint"))
tstepfolder = path.join(newfolder, "Timeseries")
tstepfiles = {}
comps = sys_comp
if output_timeseries_as_vector:
comps = ['p', 'u'] + scalar_components
for ui in comps:
tstepfiles[ui] = XDMFFile(
MPI.comm_world,
path.join(tstepfolder, ui + '_from_tstep_{}.xdmf'.format(tstep)))
tstepfiles[ui].parameters["rewrite_function_mesh"] = False
tstepfiles[ui].parameters["flush_output"] = True
return newfolder, tstepfiles
def create_initial_folders(folder, restart_folder, sys_comp, tstep, info_red,
scalar_components, output_timeseries_as_vector,
**NS_namespace):
"""Create necessary folders."""
info_red("Creating initial folders")
# To avoid writing over old data create a new folder for each run
if MPI.rank(MPI.comm_world) == 0:
try:
makedirs(folder)
except OSError:
pass
MPI.barrier(MPI.comm_world)
newfolder = path.join(folder, 'data')
if restart_folder:
newfolder = path.join(newfolder, restart_folder.split('/')[-2])
else:
if not path.exists(newfolder):
newfolder = path.join(newfolder, '1')
else:
previous = listdir(newfolder)
previous = max(map(eval, previous)) if previous else 0
newfolder = path.join(newfolder, str(previous + 1))
MPI.barrier(MPI.comm_world)
if MPI.rank(MPI.comm_world) == 0:
if not restart_folder:
#makedirs(path.join(newfolder, "Voluviz"))
#makedirs(path.join(newfolder, "Stats"))
#makedirs(path.join(newfolder, "VTK"))
makedirs(path.join(newfolder, "Timeseries"))
makedirs(path.join(newfolder, "Checkpoint"))
tstepfolder = path.join(newfolder, "Timeseries")
tstepfiles = {}
comps = sys_comp
if output_timeseries_as_vector:
comps = ['p', 'u'] + scalar_components
for ui in comps:
tstepfiles[ui] = XDMFFile(MPI.comm_world, path.join(
tstepfolder, ui + '_from_tstep_{}.xdmf'.format(tstep)))
tstepfiles[ui].parameters["rewrite_function_mesh"] = False
tstepfiles[ui].parameters["flush_output"] = True
return newfolder, tstepfiles
def check_if_kill(folder, killtime, total_timer):
"""Check if user has put a file named killoasis in folder or if given killtime has been reached."""
found = 0
if 'killoasis' in listdir(folder):
found = 1
collective = MPI.sum(MPI.comm_world, found)
if collective > 0:
if MPI.rank(MPI.comm_world) == 0:
remove(path.join(folder, 'killoasis'))
info_red('killoasis Found! Stopping simulations cleanly...')
return True
else:
elapsed_time = float(total_timer.elapsed()[0])
if killtime is not None and killtime <= elapsed_time:
if MPI.rank(MPI.comm_world) == 0:
info_red(
'Given killtime reached! Stopping simulations cleanly...')
return True
else:
return False
def init_from_restart(restart_folder, sys_comp, uc_comp, u_components, q_, q_1,
q_2, tstep, **NS_namespace):
"""Initialize solution from checkpoint files """
if restart_folder:
if MPI.rank(MPI.comm_world) == 0:
info_red(
'Restarting from checkpoint at time step {}'.format(tstep))
for ui in sys_comp:
filename = path.join(restart_folder, ui + '.h5')
hdf5_file = HDF5File(MPI.comm_world, filename, "r")
hdf5_file.read(q_[ui].vector(), "/current", False)
q_[ui].vector().apply('insert')
# Check for the solution at a previous timestep as well
if ui in uc_comp:
q_1[ui].vector().zero()
q_1[ui].vector().axpy(1., q_[ui].vector())
q_1[ui].vector().apply('insert')
if ui in u_components:
hdf5_file.read(q_2[ui].vector(), "/previous", False)
q_2[ui].vector().apply('insert')
