def test(self):
rng = numpy.random.default_rng(42)
elements = rng.random(size=100)
tmpdir = tempfile.mkdtemp()
tmp = os.path.join(tmpdir, 'calc_1.hdf5')
print('Creating', tmp)
duration = .5
outs_per_task = 5
timefactor = .2
with hdf5.File(tmp, 'w') as h5:
performance.init_performance(h5)
smap = parallel.Starmap(process_elements, h5=h5)
smap.submit_split((elements, timefactor), duration, outs_per_task)
res = smap.reduce(acc=0)
self.assertAlmostEqual(res, 48.6718458266)
"""
with hdf5.File(tmp, 'w') as h5:
performance.init_performance(h5)
res = parallel.Starmap.apply_split(
process_elements, (elements, timefactor),
h5=h5, duration=duration
).reduce(acc=0)
self.assertAlmostEqual(res, 48.6718458266)
"""
shutil.rmtree(tmpdir)
def __init__(self, oqparam, calc_id):
self.datastore = datastore.DataStore(calc_id)
init_performance(self.datastore.hdf5)
self._monitor = Monitor('%s.run' % self.__class__.__name__,
measuremem=True,
h5=self.datastore)
# NB: using h5=self.datastore.hdf5 would mean losing the performance
# info about Calculator.run since the file will be closed later on
self.oqparam = oqparam
def hdf5new(datadir=None):
"""
Return a new `hdf5.File by` instance with name determined by the last
calculation in the datadir (plus one). Set the .path attribute to the
generated filename.
"""
datadir = datadir or get_datadir()
if not os.path.exists(datadir):
os.makedirs(datadir)
calc_id = get_last_calc_id(datadir) + 1
fname = os.path.join(datadir, 'calc_%d.hdf5' % calc_id)
new = hdf5.File(fname, 'w')
new.path = fname
performance.init_performance(new)
return new
def __init__(self, path, ppath=None, mode=None):
self.filename = path
self.ppath = ppath
self.calc_id, datadir = extract_calc_id_datadir(path)
self.tempname = self.filename[:-5] + '_tmp.hdf5'
if not os.path.exists(datadir) and mode != 'r':
os.makedirs(datadir)
self.parent = () # can be set later
self.datadir = datadir
self.mode = mode or ('r+' if os.path.exists(self.filename) else 'w')
if self.mode == 'r' and not os.path.exists(self.filename):
raise IOError('File not found: %s' % self.filename)
self.hdf5 = () # so that `key in self.hdf5` is valid
self.open(self.mode)
if mode != 'r': # w, a or r+
performance.init_performance(self.hdf5)
def test_supertask(self):
# this test has 4 supertasks generating 4 + 5 + 3 + 5 = 17 subtasks
allargs = [('aaaaeeeeiii', ), ('uuuuaaaaeeeeiii', ),
('aaaaaaaaeeeeiii', ), ('aaaaeeeeiiiiiooooooo', )]
numchars = sum(len(arg) for arg, in allargs) # 61
tmpdir = tempfile.mkdtemp()
tmp = os.path.join(tmpdir, 'calc_1.hdf5')
performance.init_performance(tmp, swmr=True)
smap = parallel.Starmap(supertask, allargs, h5=hdf5.File(tmp, 'a'))
res = smap.reduce()
smap.h5.close()
self.assertEqual(res, {'n': numchars})
# check that the correct information is stored in the hdf5 file
with hdf5.File(tmp, 'r') as h5:
num = general.countby(h5['performance_data'][()], 'operation')
self.assertEqual(num[b'waiting'], 4)
self.assertEqual(num[b'total supertask'], 4) # tasks
self.assertEqual(num[b'total get_length'], 17) # subtasks
self.assertGreater(len(h5['task_info']), 0)
shutil.rmtree(tmpdir)
def setUpClass(cls):
tmpdir = tempfile.mkdtemp()
cls.tmp = os.path.join(tmpdir, 'calc_1.hdf5')
with hdf5.File(cls.tmp, 'w') as h:
h['array'] = numpy.arange(100)
performance.init_performance(cls.tmp, swmr=True)
