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from caffe2.python import scope, core, workspace
import unittest
import threading
import time
SUCCESS_COUNT = 0
def thread_runner(idx, testobj):
global SUCCESS_COUNT
testobj.assertEquals(scope.CurrentNameScope(), "")
testobj.assertEquals(scope.CurrentDeviceScope(), None)
namescope = "namescope_{}".format(idx)
dsc = core.DeviceOption(workspace.GpuDeviceType, idx)
with scope.DeviceScope(dsc):
with scope.NameScope(namescope):
testobj.assertEquals(scope.CurrentNameScope(), namescope + "/")
testobj.assertEquals(scope.CurrentDeviceScope(), dsc)
time.sleep(0.01 + idx * 0.01)
testobj.assertEquals(scope.CurrentNameScope(), namescope + "/")
testobj.assertEquals(scope.CurrentDeviceScope(), dsc)
testobj.assertEquals(scope.CurrentNameScope(), "")
testobj.assertEquals(scope.CurrentDeviceScope(), None)
SUCCESS_COUNT += 1
class TestScope(unittest.TestCase):
def testNamescopeBasic(self):
self.assertEquals(scope.CurrentNameScope(), "")
with scope.NameScope("test_scope"):
self.assertEquals(scope.CurrentNameScope(), "test_scope/")
self.assertEquals(scope.CurrentNameScope(), "")
def testNamescopeAssertion(self):
self.assertEquals(scope.CurrentNameScope(), "")
try:
with scope.NameScope("test_scope"):
self.assertEquals(scope.CurrentNameScope(), "test_scope/")
raise Exception()
except Exception:
pass
self.assertEquals(scope.CurrentNameScope(), "")
def testEmptyNamescopeBasic(self):
self.assertEquals(scope.CurrentNameScope(), "")
with scope.NameScope("test_scope"):
with scope.EmptyNameScope():
self.assertEquals(scope.CurrentNameScope(), "")
self.assertEquals(scope.CurrentNameScope(), "test_scope/")
def testDevicescopeBasic(self):
self.assertEquals(scope.CurrentDeviceScope(), None)
dsc = core.DeviceOption(workspace.GpuDeviceType, 9)
with scope.DeviceScope(dsc):
self.assertEquals(scope.CurrentDeviceScope(), dsc)
self.assertEquals(scope.CurrentDeviceScope(), None)
def testEmptyDevicescopeBasic(self):
self.assertEquals(scope.CurrentDeviceScope(), None)
dsc = core.DeviceOption(workspace.GpuDeviceType, 9)
with scope.DeviceScope(dsc):
self.assertEquals(scope.CurrentDeviceScope(), dsc)
with scope.EmptyDeviceScope():
self.assertEquals(scope.CurrentDeviceScope(), None)
self.assertEquals(scope.CurrentDeviceScope(), dsc)
self.assertEquals(scope.CurrentDeviceScope(), None)
def testDevicescopeAssertion(self):
self.assertEquals(scope.CurrentDeviceScope(), None)
dsc = core.DeviceOption(workspace.GpuDeviceType, 9)
try:
with scope.DeviceScope(dsc):
self.assertEquals(scope.CurrentDeviceScope(), dsc)
raise Exception()
except Exception:
pass
self.assertEquals(scope.CurrentDeviceScope(), None)
def testTags(self):
self.assertEquals(scope.CurrentDeviceScope(), None)
extra_info1 = ["key1:value1"]
extra_info2 = ["key2:value2"]
extra_info3 = ["key3:value3"]
extra_info_1_2 = ["key1:value1", "key2:value2"]
extra_info_1_2_3 = ["key1:value1", "key2:value2", "key3:value3"]
with scope.DeviceScope(core.DeviceOption(0, extra_info=extra_info1)):
self.assertEquals(scope.CurrentDeviceScope().extra_info, extra_info1)
with scope.DeviceScope(core.DeviceOption(0, extra_info=extra_info2)):
self.assertEquals(scope.CurrentDeviceScope().extra_info, extra_info_1_2)
with scope.DeviceScope(core.DeviceOption(0, extra_info=extra_info3)):
self.assertEquals(
scope.CurrentDeviceScope().extra_info, extra_info_1_2_3
)
self.assertEquals(scope.CurrentDeviceScope().extra_info, extra_info_1_2)
self.assertEquals(scope.CurrentDeviceScope().extra_info, extra_info1)
self.assertEquals(scope.CurrentDeviceScope(), None)
def testMultiThreaded(self):
"""
Test that name/device scope are properly local to the thread
and don't interfere
"""
global SUCCESS_COUNT
self.assertEquals(scope.CurrentNameScope(), "")
self.assertEquals(scope.CurrentDeviceScope(), None)
threads = []
for i in range(4):
threads.append(threading.Thread(
target=thread_runner,
args=(i, self),
))
for t in threads:
t.start()
with scope.NameScope("master"):
self.assertEquals(scope.CurrentDeviceScope(), None)
self.assertEquals(scope.CurrentNameScope(), "master/")
for t in threads:
t.join()
self.assertEquals(scope.CurrentNameScope(), "master/")
self.assertEquals(scope.CurrentDeviceScope(), None)
# Ensure all threads succeeded
self.assertEquals(SUCCESS_COUNT, 4)
|
