mirror of
https://github.com/zebrajr/pytorch.git
synced 2025-12-06 12:20:52 +01:00
121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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from caffe2.python import scope, core
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from caffe2.proto import caffe2_pb2
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import unittest
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import threading
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import time
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SUCCESS_COUNT = 0
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def thread_runner(idx, testobj):
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global SUCCESS_COUNT
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testobj.assertEquals(scope.CurrentNameScope(), "")
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testobj.assertEquals(scope.CurrentDeviceScope(), None)
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namescope = "namescope_{}".format(idx)
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dsc = core.DeviceOption(caffe2_pb2.CUDA, idx)
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with scope.DeviceScope(dsc):
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with scope.NameScope(namescope):
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testobj.assertEquals(scope.CurrentNameScope(), namescope + "/")
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testobj.assertEquals(scope.CurrentDeviceScope(), dsc)
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time.sleep(0.01 + idx * 0.01)
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testobj.assertEquals(scope.CurrentNameScope(), namescope + "/")
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testobj.assertEquals(scope.CurrentDeviceScope(), dsc)
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testobj.assertEquals(scope.CurrentNameScope(), "")
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testobj.assertEquals(scope.CurrentDeviceScope(), None)
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SUCCESS_COUNT += 1
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class TestScope(unittest.TestCase):
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def testNamescopeBasic(self):
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self.assertEquals(scope.CurrentNameScope(), "")
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with scope.NameScope("test_scope"):
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self.assertEquals(scope.CurrentNameScope(), "test_scope/")
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self.assertEquals(scope.CurrentNameScope(), "")
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def testNamescopeAssertion(self):
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self.assertEquals(scope.CurrentNameScope(), "")
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try:
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with scope.NameScope("test_scope"):
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self.assertEquals(scope.CurrentNameScope(), "test_scope/")
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raise Exception()
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except Exception:
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pass
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self.assertEquals(scope.CurrentNameScope(), "")
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def testDevicescopeBasic(self):
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self.assertEquals(scope.CurrentDeviceScope(), None)
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dsc = core.DeviceOption(caffe2_pb2.CUDA, 9)
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with scope.DeviceScope(dsc):
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self.assertEquals(scope.CurrentDeviceScope(), dsc)
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self.assertEquals(scope.CurrentDeviceScope(), None)
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def testEmptyDevicescopeBasic(self):
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self.assertEquals(scope.CurrentDeviceScope(), None)
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dsc = core.DeviceOption(caffe2_pb2.CUDA, 9)
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with scope.DeviceScope(dsc):
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self.assertEquals(scope.CurrentDeviceScope(), dsc)
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with scope.EmptyDeviceScope():
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self.assertEquals(scope.CurrentDeviceScope(), None)
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self.assertEquals(scope.CurrentDeviceScope(), dsc)
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self.assertEquals(scope.CurrentDeviceScope(), None)
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def testDevicescopeAssertion(self):
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self.assertEquals(scope.CurrentDeviceScope(), None)
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dsc = core.DeviceOption(caffe2_pb2.CUDA, 9)
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try:
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with scope.DeviceScope(dsc):
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self.assertEquals(scope.CurrentDeviceScope(), dsc)
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raise Exception()
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except Exception:
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pass
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self.assertEquals(scope.CurrentDeviceScope(), None)
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def testMultiThreaded(self):
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"""
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Test that name/device scope are properly local to the thread
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and don't interfere
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"""
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global SUCCESS_COUNT
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self.assertEquals(scope.CurrentNameScope(), "")
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self.assertEquals(scope.CurrentDeviceScope(), None)
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threads = []
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for i in range(4):
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threads.append(threading.Thread(
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target=thread_runner,
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args=(i, self),
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))
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for t in threads:
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t.start()
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with scope.NameScope("master"):
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self.assertEquals(scope.CurrentDeviceScope(), None)
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self.assertEquals(scope.CurrentNameScope(), "master/")
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for t in threads:
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t.join()
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self.assertEquals(scope.CurrentNameScope(), "master/")
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self.assertEquals(scope.CurrentDeviceScope(), None)
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# Ensure all threads succeeded
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self.assertEquals(SUCCESS_COUNT, 4)
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