def test_score_derivative_runs(root, rows, **unused):
with loom.query.get_server(root, debug=True) as server:
rows = load_rows(rows)
target_row = protobuf_to_data_row(rows[0].diff)
score_rows = [protobuf_to_data_row(r.diff) for r in rows[:2]]
results = server.score_derivative(target_row, score_rows)
assert len(results) == len(score_rows)
def test_entropy(root, ingest, **unused):
sample_count = 1000
with loom.query.get_server(root) as server:
rows = load_rows(ingest['rows'])
rows = rows[:4]
rows = [loom.query.protobuf_to_data_row(row.diff) for row in rows]
rows = [[None] * len(rows[0])] + rows
for row in rows:
to_sample = [val is None for val in row]
samples = server.sample(
conditioning_row=row,
to_sample=to_sample,
sample_count=sample_count)
base_score = server.score(row)
scores = numpy.array(list(server.batch_score(samples)))
py_estimate = loom.query.get_estimate(base_score - scores)
feature_set = frozenset(i for i, ts in enumerate(to_sample) if ts)
cpp_estimate = server.entropy(
row_sets=[feature_set],
col_sets=[feature_set],
conditioning_row=row,
sample_count=sample_count)[feature_set]
assert_estimate_close(cpp_estimate, py_estimate)
def test_samples_match_scores(root, rows, **unused):
rows = load_rows(rows)
rows = rows[::len(rows) / 5]
with tempdir():
loom.config.config_dump({'seed': SEED}, 'config.pb.gz')
with loom.query.get_server(root, 'config.pb.gz', debug=True) as server:
for row in rows:
_check_marginal_samples_match_scores(server, row, 0)
def test_samples_match_scores(root, rows, **unused):
rows = load_rows(rows)
rows = rows[::len(rows) / 5]
with tempdir():
loom.config.config_dump({'seed': SEED}, 'config.pb.gz')
with loom.query.get_server(root, 'config.pb.gz', debug=True) as server:
for row in rows:
_check_marginal_samples_match_scores(server, row, 0)
def test_one_to_one(rows, **unused):
with tempdir(cleanup_on_error=CLEANUP_ON_ERROR):
seed = 12345
rows_out = os.path.abspath('rows_out.pbs.gz')
loom.runner.shuffle(
rows_in=rows,
rows_out=rows_out,
seed=seed)
assert_found(rows_out)
original = load_rows(rows)
shuffled = load_rows(rows_out)
assert_equal(len(shuffled), len(original))
assert_not_equal(shuffled, original)
actual = sorted(shuffled, key=lambda row: row.id)
expected = sorted(original, key=lambda row: row.id)
assert_list_equal(expected, actual)
def test_score_derivative_against_existing_runs(root, rows, **unused):
with loom.query.get_server(root, debug=True) as server:
rows = load_rows(rows)
target_row = protobuf_to_data_row(rows[0].diff)
results = server.score_derivative(target_row, score_rows=None)
assert len(rows) == len(results)
results = server.score_derivative(target_row,
score_rows=None,
row_limit=1)
assert len(results) == 1
def test_export_rows(encoding, rows, **unused):
with tempdir(cleanup_on_error=CLEANUP_ON_ERROR):
rows_csv = os.path.abspath('rows_csv')
rows_pbs = os.path.abspath('rows.pbs.gz')
loom.format.export_rows(encoding_in=encoding,
rows_in=rows,
rows_csv_out=rows_csv,
chunk_size=51)
assert_found(rows_csv)
assert_found(os.path.join(rows_csv, 'rows.0.csv.gz'))
loom.format.import_rows(encoding_in=encoding,
rows_csv_in=rows_csv,
rows_out=rows_pbs)
assert_found(rows_pbs)
expected = load_rows(rows)
actual = load_rows(rows_pbs)
assert_equal(len(actual), len(expected))
actual.sort(key=lambda row: row.id)
expected.sort(key=lambda row: row.id)
expected_data = [row.diff for row in expected]
actual_data = [row.diff for row in actual]
assert_close(actual_data, expected_data)
def test_score_derivative_against_existing_runs(root, rows, **unused):
with loom.query.get_server(root, debug=True) as server:
rows = load_rows(rows)
target_row = protobuf_to_data_row(rows[0].diff)
results = server.score_derivative(
target_row,
score_rows=None)
assert len(rows) == len(results)
results = server.score_derivative(
target_row,
score_rows=None,
row_limit=1)
assert len(results) == 1
def test_export_rows(encoding, rows, **unused):
with tempdir(cleanup_on_error=CLEANUP_ON_ERROR):
rows_csv = os.path.abspath('rows_csv')
rows_pbs = os.path.abspath('rows.pbs.gz')
loom.format.export_rows(
encoding_in=encoding,
rows_in=rows,
rows_csv_out=rows_csv,
chunk_size=51)
assert_found(rows_csv)
assert_found(os.path.join(rows_csv, 'rows.0.csv.gz'))
loom.format.import_rows(
encoding_in=encoding,
rows_csv_in=rows_csv,
rows_out=rows_pbs)
assert_found(rows_pbs)
expected = load_rows(rows)
actual = load_rows(rows_pbs)
assert_equal(len(actual), len(expected))
actual.sort(key=lambda row: row.id)
expected.sort(key=lambda row: row.id)
expected_data = [row.diff for row in expected]
actual_data = [row.diff for row in actual]
assert_close(actual_data, expected_data)
def _test_entropy(name, sample_count):
paths = loom.store.get_paths(name)
with loom.query.get_server(paths['root']) as server:
rows = load_rows(paths['ingest']['rows'])
rows = rows[:4]
rows = [loom.query.protobuf_to_data_row(row.diff) for row in rows]
rows = [[None] * len(rows[0])] + rows
for row in rows:
to_sample = [val is None for val in row]
samples = server.sample(conditioning_row=row,
to_sample=to_sample,
sample_count=sample_count)
base_score = server.score(row)
scores = numpy.array(list(server.batch_score(samples)))
py_estimate = loom.query.get_estimate(base_score - scores)
feature_set = frozenset(i for i, ts in enumerate(to_sample) if ts)
cpp_estimate = server.entropy(
row_sets=[feature_set],
col_sets=[feature_set],
conditioning_row=row,
sample_count=sample_count)[feature_set]
assert_estimate_close(cpp_estimate, py_estimate)
def get_example_requests(model, rows, query_type='mixed'):
assert query_type in ['sample', 'score', 'mixed']
cross_cat = CrossCat()
with open_compressed(model, 'rb') as f:
cross_cat.ParseFromString(f.read())
feature_count = sum(len(kind.featureids) for kind in cross_cat.kinds)
featureids = range(feature_count)
nontrivials = [True] * feature_count
for kind in cross_cat.kinds:
fs = iter(kind.featureids)
for model in loom.schema.MODELS.iterkeys():
for shared in getattr(kind.product_model, model):
f = fs.next()
if model == 'dd':
if len(shared.alphas) == 0:
nontrivials[f] = False
elif model == 'dpd':
if len(shared.betas) == 0:
nontrivials[f] = False
all_observed = nontrivials[:]
none_observed = [False] * feature_count
observeds = []
observeds.append(all_observed)
for f, nontrivial in izip(featureids, nontrivials):
if nontrivial:
observed = all_observed[:]
observed[f] = False
observeds.append(observed)
for f in featureids:
observed = [
nontrivial and sample_bernoulli(0.5)
for nontrivial in nontrivials
]
observeds.append(observed)
for f, nontrivial in izip(featureids, nontrivials):
if nontrivial:
observed = none_observed[:]
observed[f] = True
observeds.append(observed)
observeds.append(none_observed)
requests = []
for i, observed in enumerate(observeds):
request = Query.Request()
request.id = "example-{}".format(i)
if query_type in ['sample', 'mixed']:
set_diff(request.sample.data, none_observed)
request.sample.to_sample.sparsity = DENSE
request.sample.to_sample.dense[:] = observed
request.sample.sample_count = 1
if query_type in ['score', 'mixed']:
set_diff(request.score.data, none_observed)
requests.append(request)
for row in load_rows(rows)[:20]:
i += 1
request = Query.Request()
request.id = "example-{}".format(i)
if query_type in ['sample', 'mixed']:
request.sample.sample_count = 1
request.sample.data.MergeFrom(row.diff)
request.sample.to_sample.sparsity = DENSE
conditions = izip(nontrivials, row.diff.pos.observed.dense)
to_sample = [
nontrivial and not is_observed
for nontrivial, is_observed in conditions
]
set_observed(request.sample.to_sample, to_sample)
if query_type in ['score', 'mixed']:
request.score.data.MergeFrom(row.diff)
requests.append(request)
return requests
def get_example_requests(model, rows, query_type='mixed'):
assert query_type in ['sample', 'score', 'mixed']
cross_cat = CrossCat()
with open_compressed(model, 'rb') as f:
cross_cat.ParseFromString(f.read())
feature_count = sum(len(kind.featureids) for kind in cross_cat.kinds)
featureids = range(feature_count)
nontrivials = [True] * feature_count
for kind in cross_cat.kinds:
fs = iter(kind.featureids)
for model in loom.schema.MODELS.iterkeys():
for shared in getattr(kind.product_model, model):
f = fs.next()
if model == 'dd':
if len(shared.alphas) == 0:
nontrivials[f] = False
elif model == 'dpd':
if len(shared.betas) == 0:
nontrivials[f] = False
all_observed = nontrivials[:]
none_observed = [False] * feature_count
observeds = []
observeds.append(all_observed)
for f, nontrivial in izip(featureids, nontrivials):
if nontrivial:
observed = all_observed[:]
observed[f] = False
observeds.append(observed)
for f in featureids:
observed = [
nontrivial and sample_bernoulli(0.5)
for nontrivial in nontrivials
]
observeds.append(observed)
for f, nontrivial in izip(featureids, nontrivials):
if nontrivial:
observed = none_observed[:]
observed[f] = True
observeds.append(observed)
observeds.append(none_observed)
requests = []
for i, observed in enumerate(observeds):
request = Query.Request()
request.id = "example-{}".format(i)
if query_type in ['sample', 'mixed']:
set_diff(request.sample.data, none_observed)
request.sample.to_sample.sparsity = DENSE
request.sample.to_sample.dense[:] = observed
request.sample.sample_count = 1
if query_type in ['score', 'mixed']:
set_diff(request.score.data, none_observed)
requests.append(request)
for row in load_rows(rows)[:20]:
i += 1
request = Query.Request()
request.id = "example-{}".format(i)
if query_type in ['sample', 'mixed']:
request.sample.sample_count = 1
request.sample.data.MergeFrom(row.diff)
request.sample.to_sample.sparsity = DENSE
conditions = izip(nontrivials, row.diff.pos.observed.dense)
to_sample = [
nontrivial and not is_observed
for nontrivial, is_observed in conditions
]
set_observed(request.sample.to_sample, to_sample)
if query_type in ['score', 'mixed']:
request.score.data.MergeFrom(row.diff)
requests.append(request)
return requests
def test_samples_match_scores(root, rows, **unused):
rows = load_rows(rows)
rows = rows[::len(rows) / 5]
with loom.query.get_server(root, debug=True) as server:
for row in rows:
_check_marginal_samples_match_scores(server, row, 0)
