from compass.testcase import TestCase
from compass.ocean.tests.baroclinic_channel.initial_state import InitialState
from compass.ocean.tests.baroclinic_channel.forward import Forward
from compass.ocean.tests import baroclinic_channel
from compass.validate import compare_variables
[docs]
class ThreadsTest(TestCase):
"""
A thread test case for the baroclinic channel test group, which makes sure
the model produces identical results with 1 and 2 threads.
Attributes
----------
resolution : str
The resolution of the test case
"""
[docs]
def __init__(self, test_group, resolution):
"""
Create the test case
Parameters
----------
test_group : compass.ocean.tests.baroclinic_channel.BaroclinicChannel
The test group that this test case belongs to
resolution : str
The resolution of the test case
"""
name = 'threads_test'
self.resolution = resolution
subdir = '{}/{}'.format(resolution, name)
super().__init__(test_group=test_group, name=name,
subdir=subdir)
self.add_step(
InitialState(test_case=self, resolution=resolution))
for openmp_threads in [1, 2]:
name = f'{openmp_threads}thread'
self.add_step(
Forward(test_case=self, name=name, subdir=name, ntasks=4,
openmp_threads=openmp_threads, resolution=resolution))
# no run() method is needed
def validate(self):
"""
Test cases can override this method to perform validation of variables
and timers
"""
variables = ['temperature', 'salinity', 'layerThickness',
'normalVelocity']
compare_variables(test_case=self, variables=variables,
filename1='1thread/output.nc',
filename2='2thread/output.nc')