pytorch/caffe2/python/operator_test/loss_ops_test.py
Jerry Pan 76abd9a8ac Caffe2: consolidate AveragedLoss with SumElementsOp
Summary: Caffe2: consolidate AveragedLoss with SumElementsOp

Differential Revision: D4781561

fbshipit-source-id: 6734adb9dd81d4cad1819a5f8fe736de2477cb72
2017-04-06 10:35:01 -07:00

41 lines
997 B
Python

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from caffe2.python import core
from hypothesis import given
import caffe2.python.hypothesis_test_util as hu
import hypothesis.strategies as st
import numpy as np
class TestLossOps(hu.HypothesisTestCase):
@given(n=st.integers(1, 8), **hu.gcs)
def test_averaged_loss(self, n, gc, dc):
X = np.random.rand(n).astype(np.float32)
def avg_op(X):
return [np.mean(X)]
op = core.CreateOperator(
"AveragedLoss",
["X"],
["y"],
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=avg_op,
)
self.assertGradientChecks(
device_option=gc,
op=op,
inputs=[X],
outputs_to_check=0,
outputs_with_grads=[0],
)