Add more operation and some refactoring of the code to ease usage.

This commit is contained in:
Fabian Groh
2018-11-06 14:00:16 +01:00
committed by PatWie
parent 32e91a688f
commit 2cbeb7e699
27 changed files with 1264 additions and 452 deletions
+62 -47
View File
@@ -18,70 +18,85 @@
# Authors: Fabian Groh, Patrick Wieschollek, Hendrik P.A. Lensch
from PointTestCase import PointTestCase
from misc import FakePointCloud, VerboseTestCase
import tensorflow as tf
import numpy as np
from __init__ import flex_pooling
case = FakePointCloud(B=2, N=32, K=4, Din=2, Dout=6, Dp=3)
class FlexPoolTest(PointTestCase):
def __init__(self, methodName="runTest"):
super(FlexPoolTest, self).__init__(methodName)
def _forward(self, use_gpu=False):
self.init_ops()
with self.test_session(use_gpu=use_gpu, force_gpu=use_gpu) as sess:
actual_op, winner_op = flex_pooling(self.features_op, self.neighborhood_op)
actual = sess.run(actual_op)
return actual
class FlexPoolTest(VerboseTestCase):
def __init__(self, methodName="runTest"):
super(FlexPoolTest, self).__init__(methodName)
def test_forward(self):
cpu = self._forward(use_gpu=False)
gpu = self._forward(use_gpu=True)
self.assertAllClose(cpu, gpu)
def _forward(self, use_gpu=False, dtype=np.float32):
case.init_ops(dtype=dtype)
with self.test_session(use_gpu=use_gpu, force_gpu=use_gpu) as sess:
actual_op, winner_op = flex_pooling(
case.features_op, case.neighborhood_op)
actual = sess.run(actual_op)
return actual
def test_backward(self):
cpu, winner_cpu = self._backward(use_gpu=False)
gpu, winner_gpu = self._backward(use_gpu=True)
self.assertAllClose(cpu, gpu)
self.assertAllClose(cpu[winner_cpu == 0].sum(), 0)
self.assertAllClose(gpu[winner_gpu == 0].sum(), 0)
def test_forward_same_float32(self):
cpu = self._forward(use_gpu=False, dtype=np.float32)
gpu = self._forward(use_gpu=True, dtype=np.float32)
self.assertAllClose(cpu, gpu)
def _backward(self, use_gpu=False):
self.init_ops()
with self.test_session(use_gpu=use_gpu, force_gpu=use_gpu) as sess:
actual_op, winner_op = flex_pooling(
self.features_op,
self.neighborhood_op)
def test_forward_same_float64(self):
cpu = self._forward(use_gpu=False, dtype=np.float64)
gpu = self._forward(use_gpu=True, dtype=np.float64)
self.assertAllClose(cpu, gpu)
graph_features_grad = tf.gradients(actual_op, [self.features_op])[0]
def test_backward_same_float32(self):
cpu, winner_cpu = self._backward(use_gpu=False, dtype=np.float32)
gpu, winner_gpu = self._backward(use_gpu=True, dtype=np.float32)
self.assertAllClose(winner_cpu, winner_gpu)
self.assertAllClose(cpu, gpu)
dx, winner = sess.run([graph_features_grad, winner_op])
return dx, winner
def test_backward_same_float64(self):
cpu, winner_cpu = self._backward(use_gpu=False, dtype=np.float64)
gpu, winner_gpu = self._backward(use_gpu=True, dtype=np.float64)
self.assertAllClose(winner_cpu, winner_gpu)
self.assertAllClose(cpu, gpu)
def _simple_backward(self, use_gpu=False):
# BN
x = np.array([[[1], [2], [5], [3]]]).transpose(0, 2, 1)
n = np.array([[[0, 1, 2, 3], [1, 2, 3, 0], [2, 3, 0, 1], [3, 0, 1, 2, ]]]).transpose(0, 2, 1)
def _backward(self, use_gpu=False, dtype=np.float32):
case.init_ops(dtype=dtype)
with self.test_session(use_gpu=use_gpu, force_gpu=use_gpu) as sess:
actual_op, winner_op = flex_pooling(
case.features_op,
case.neighborhood_op)
x = tf.convert_to_tensor(x.astype(np.float32))
n = tf.convert_to_tensor(n.astype(np.int32))
graph_features_grad = tf.gradients(actual_op, [case.features_op])[0]
with self.test_session(use_gpu=use_gpu, force_gpu=use_gpu) as sess:
actual_op, winner_op = flex_pooling(x, n)
graph_features_grad = tf.gradients(actual_op, [x])[0]
return sess.run(graph_features_grad)
dx, winner = sess.run([graph_features_grad, winner_op])
return dx, winner
def test_backward_simple(self):
cpu = self._simple_backward(use_gpu=False)
cpu[0, 0, 2] -= 4
self.assertEqual(cpu.sum(), 0)
def _simple_backward(self, use_gpu=False):
# BN
x = np.array([[[1], [2], [5], [3]]]).transpose(0, 2, 1)
n = np.array([[[0, 1, 2, 3], [1, 2, 3, 0], [2, 3, 0, 1],
[3, 0, 1, 2, ]]]).transpose(0, 2, 1)
gpu = self._simple_backward(use_gpu=True)
gpu[0, 0, 2] -= 4
self.assertEqual(gpu.sum(), 0)
x = tf.convert_to_tensor(x.astype(np.float32))
n = tf.convert_to_tensor(n.astype(np.int32))
with self.test_session(use_gpu=use_gpu, force_gpu=use_gpu) as sess:
actual_op, winner_op = flex_pooling(x, n)
graph_features_grad = tf.gradients(actual_op, [x])[0]
return sess.run(graph_features_grad)
def test_backward_simple_cpu(self):
cpu = self._simple_backward(use_gpu=False)
cpu[0, 0, 2] -= 4
self.assertEqual(cpu.sum(), 0)
def test_backward_simple_gpu(self):
gpu = self._simple_backward(use_gpu=True)
gpu[0, 0, 2] -= 4
self.assertEqual(gpu.sum(), 0)
if __name__ == '__main__':
tf.test.main()
tf.test.main()