def main():
"""Measure serialization performance of Random
"""
r = Random(42)
# Measure serialization
startSerializationTime = time.time()
for i in range(_SERIALIZATION_LOOPS):
r.saveToFile("RandonSerialization.stream")
elapsedSerializationTime = time.time() - startSerializationTime
# Measure deserialization
startDeserializationTime = time.time()
for _ in range(_DESERIALIZATION_LOOPS):
r.loadFromFile("RandonSerialization.stream")
elapsedDeserializationTime = time.time() - startDeserializationTime
# Print report
print(_SERIALIZATION_LOOPS, "Serialization loops in", \
elapsedSerializationTime, "seconds.")
print("\t", elapsedSerializationTime/_SERIALIZATION_LOOPS, "seconds per loop.")
print(deserializationCount, "Deserialization loops in", \
elapsedDeserializationTime, "seconds.")
print("\t", elapsedDeserializationTime/deserializationCount, "seconds per loop.")
def main():
"""Measure serialization performance of Random
"""
r = Random(42)
# Measure serialization
startSerializationTime = time.time()
for i in range(_SERIALIZATION_LOOPS):
r.saveToFile("RandonSerialization.stream")
elapsedSerializationTime = time.time() - startSerializationTime
# Measure deserialization
startDeserializationTime = time.time()
for _ in range(_DESERIALIZATION_LOOPS):
r.loadFromFile("RandonSerialization.stream")
elapsedDeserializationTime = time.time() - startDeserializationTime
# Print report
print(_SERIALIZATION_LOOPS, "Serialization loops in", \
elapsedSerializationTime, "seconds.")
print("\t", elapsedSerializationTime / _SERIALIZATION_LOOPS,
"seconds per loop.")
print(deserializationCount, "Deserialization loops in", \
elapsedDeserializationTime, "seconds.")
print("\t", elapsedDeserializationTime / deserializationCount,
"seconds per loop.")
def testSerialization(self):
"""Test serialization of NuPIC randomness."""
path = "RandomSerialization.stream"
# Simple test: make sure that dumping / loading works...
r = Random(99)
r.saveToFile(path)
test1 = [r.getUInt32() for _ in range(10)]
r = Random(1)
r.loadFromFile(path)
self.assertEqual(r.getSeed(), 99)
test2 = [r.getUInt32() for _ in range(10)]
self.assertEqual(test1, test2,
"Simple NuPIC random serialization check failed.")
# A little tricker: dump / load _after_ some numbers have been generated
# (in the first test). Things should still work...
# ...the idea of this test is to make sure that the pickle code isn't just
# saving the initial seed...
r.saveToFile(path)
test3 = [r.getUInt32() for _ in range(10)]
r = Random()
r.loadFromFile(path)
self.assertEqual(r.getSeed(), 99)
test4 = [r.getUInt32() for _ in range(10)]
self.assertEqual(
test3, test4,
"NuPIC random serialization check didn't work for saving later state."
)
self.assertNotEqual(
test1, test3,
"NuPIC random serialization test gave the same result twice?!?")
def testSerialization(self):
"""Test serialization of NuPIC randomness."""
path = "RandomSerialization.stream"
# Simple test: make sure that dumping / loading works...
r = Random(99)
r.saveToFile(path)
test1 = [r.getUInt32() for _ in range(10)]
r = Random(1);
r.loadFromFile(path)
self.assertEqual(r.getSeed(), 99)
test2 = [r.getUInt32() for _ in range(10)]
self.assertEqual(test1, test2,
"Simple NuPIC random serialization check failed.")
# A little tricker: dump / load _after_ some numbers have been generated
# (in the first test). Things should still work...
# ...the idea of this test is to make sure that the pickle code isn't just
# saving the initial seed...
r.saveToFile(path)
test3 = [r.getUInt32() for _ in range(10)]
r = Random();
r.loadFromFile(path)
self.assertEqual(r.getSeed(), 99)
test4 = [r.getUInt32() for _ in range(10)]
self.assertEqual(
test3, test4,
"NuPIC random serialization check didn't work for saving later state.")
self.assertNotEqual(
test1, test3,
"NuPIC random serialization test gave the same result twice?!?")