def test_create_plan_from_proto_correctly(self):
from caffe2.python.net_builder import ops
with Node('trainer'), Task(name='my_task', num_instances=2) as task:
with ops.task_init():
globl = ops.Const(0)
with ops.task_instance_init():
local = ops.Const(0)
with ops.loop(100):
ops.Copy(globl, local)
with ops.task_instance_exit():
ops.Add([globl, local], [globl])
with ops.task_exit():
ops.Mul([globl, globl], [globl])
plan = core.Plan(task.get_step())
test_plan = core.Plan.create_from_proto(plan.Proto())
self.assertEqual(len(plan.Steps()), 1)
self.assertEqual(len(test_plan.Steps()), 1)
self.assertEqual(len(plan.Proto().network), 9)
self.assertEqual(len(test_plan.Proto().network), 9)
self.assertEqual(len(plan.Proto().execution_step), 1)
self.assertEqual(len(test_plan.Proto().execution_step), 1)
self.assertEqual(plan.Steps()[0].Name(), test_plan.Steps()[0].Name())
self.assertEqual(len(plan.Nets()), len(test_plan.Nets()))
for idx in range(0, len(plan.Nets())):
# When we create Net for test_plan, we will end up with new Net
# name with postfix.
net_1 = plan.Nets()[idx]
net_2 = test_plan.Nets()[idx]
trim_size = len(net_1.Name())
self.assertEqual(net_1.Name(), net_2.Name()[:trim_size])
def test_create_plan_from_proto_correctly(self):
from caffe2.python.net_builder import ops
with Node('trainer'), Task(name='my_task', num_instances=2) as task:
with ops.task_init():
globl = ops.Const(0)
with ops.task_instance_init():
local = ops.Const(0)
with ops.loop(100):
ops.Copy(globl, local)
with ops.task_instance_exit():
ops.Add([globl, local], [globl])
with ops.task_exit():
ops.Mul([globl, globl], [globl])
plan = core.Plan(task.get_step())
test_plan = core.Plan.create_from_proto(plan.Proto())
self.assertEqual(len(plan.Steps()), 1)
self.assertEqual(len(test_plan.Steps()), 1)
self.assertEqual(plan.Steps()[0].Name(), test_plan.Steps()[0].Name())
self.assertEqual(len(plan.Nets()), len(test_plan.Nets()))
for idx in range(0, len(plan.Nets())):
# When we create Net for test_plan, we will end up with new Net
# name with postfix.
net_1 = plan.Nets()[idx]
net_2 = test_plan.Nets()[idx]
trim_size = len(net_1.Name())
self.assertEqual(net_1.Name(), net_2.Name()[:trim_size])
def _test_loop():
x = ops.Const(5)
y = ops.Const(0)
with ops.loop():
ops.stop_if(ops.EQ([x, ops.Const(0)]))
ops.Add([x, ops.Const(-1)], [x])
ops.Add([y, ops.Const(1)], [y])
return y
def _test_loop():
x = ops.Const(5)
y = ops.Const(0)
with ops.loop():
ops.stop_if(ops.EQ([x, ops.Const(0)]))
ops.Add([x, ops.Const(-1)], [x])
ops.Add([y, ops.Const(1)], [y])
return y
def example_loop():
with Task():
total = ops.Const(0)
total_large = ops.Const(0)
total_small = ops.Const(0)
total_tiny = ops.Const(0)
with ops.loop(10) as loop:
outer = ops.Mul([loop.iter(), ops.Const(10)])
with ops.loop(loop.iter()) as inner:
val = ops.Add([outer, inner.iter()])
with ops.If(ops.GE([val, ops.Const(80)])) as c:
ops.Add([total_large, val], [total_large])
with c.Elif(ops.GE([val, ops.Const(50)])) as c:
ops.Add([total_small, val], [total_small])
with c.Else():
ops.Add([total_tiny, val], [total_tiny])
ops.Add([total, val], total)
def _actual_loop(self):
total = ops.Const(0)
total_large = ops.Const(0)
total_small = ops.Const(0)
total_tiny = ops.Const(0)
with ops.loop(10) as loop:
outer = ops.Mul([loop.iter(), ops.Const(10)])
with ops.loop(loop.iter()) as inner:
val = ops.Add([outer, inner.iter()])
with ops.If(ops.GE([val, ops.Const(80)])) as c:
ops.Add([total_large, val], [total_large])
with c.Elif(ops.GE([val, ops.Const(50)])) as c:
ops.Add([total_small, val], [total_small])
with c.Else():
ops.Add([total_tiny, val], [total_tiny])
ops.Add([total, val], total)
return map(final_output, (total, total_large, total_small, total_tiny))
def _actual_loop(self):
total = ops.Const(0)
total_large = ops.Const(0)
total_small = ops.Const(0)
total_tiny = ops.Const(0)
with ops.loop(10) as loop:
outer = ops.Mul([loop.iter(), ops.Const(10)])
with ops.loop(loop.iter()) as inner:
val = ops.Add([outer, inner.iter()])
with ops.If(ops.GE([val, ops.Const(80)])) as c:
ops.Add([total_large, val], [total_large])
with c.Elif(ops.GE([val, ops.Const(50)])) as c:
ops.Add([total_small, val], [total_small])
with c.Else():
ops.Add([total_tiny, val], [total_tiny])
ops.Add([total, val], total)
return map(final_output, (total, total_large, total_small, total_tiny))
def example_loop():
with Task():
total = ops.Const(0)
total_large = ops.Const(0)
total_small = ops.Const(0)
total_tiny = ops.Const(0)
with ops.loop(10) as loop:
outer = ops.Mul([loop.iter(), ops.Const(10)])
with ops.loop(loop.iter()) as inner:
val = ops.Add([outer, inner.iter()])
with ops.If(ops.GE([val, ops.Const(80)])) as c:
ops.Add([total_large, val], [total_large])
with c.Elif(ops.GE([val, ops.Const(50)])) as c:
ops.Add([total_small, val], [total_small])
with c.Else():
ops.Add([total_tiny, val], [total_tiny])
ops.Add([total, val], total)
def test_multi_instance(self):
NUM_INSTANCES = 10
NUM_ITERS = 15
with TaskGroup() as tg:
with Task(num_instances=NUM_INSTANCES):
with ops.task_init():
counter1 = ops.CreateCounter([], ['global_counter'])
counter2 = ops.CreateCounter([], ['global_counter2'])
counter3 = ops.CreateCounter([], ['global_counter3'])
# both task_counter and local_counter should be thread local
with ops.task_instance_init():
task_counter = ops.CreateCounter([], ['task_counter'])
local_counter = ops.CreateCounter([], ['local_counter'])
with ops.loop(NUM_ITERS):
ops.CountUp(counter1)
ops.CountUp(task_counter)
ops.CountUp(local_counter)
# gather sum of squares of local counters to make sure that
# each local counter counted exactly up to NUM_ITERS, and
# that there was no false sharing of counter instances.
with ops.task_instance_exit():
count2 = ops.RetrieveCount(task_counter)
with ops.loop(ops.Mul([count2, count2])):
ops.CountUp(counter2)
# This should have the same effect as the above
count3 = ops.RetrieveCount(local_counter)
with ops.loop(ops.Mul([count3, count3])):
ops.CountUp(counter3)
# The code below will only run once
with ops.task_exit():
total1 = final_output(ops.RetrieveCount(counter1))
total2 = final_output(ops.RetrieveCount(counter2))
total3 = final_output(ops.RetrieveCount(counter3))
with LocalSession() as session:
session.run(tg)
self.assertEquals(total1.fetch(), NUM_INSTANCES * NUM_ITERS)
self.assertEquals(total2.fetch(), NUM_INSTANCES * (NUM_ITERS**2))
self.assertEquals(total3.fetch(), NUM_INSTANCES * (NUM_ITERS**2))
def test_multi_instance(self):
NUM_INSTANCES = 10
NUM_ITERS = 15
with TaskGroup() as tg:
with Task(num_instances=NUM_INSTANCES):
with ops.task_init():
counter1 = ops.CreateCounter([], ['global_counter'])
counter2 = ops.CreateCounter([], ['global_counter2'])
counter3 = ops.CreateCounter([], ['global_counter3'])
# both task_counter and local_counter should be thread local
with ops.task_instance_init():
task_counter = ops.CreateCounter([], ['task_counter'])
local_counter = ops.CreateCounter([], ['local_counter'])
with ops.loop(NUM_ITERS):
ops.CountUp(counter1)
ops.CountUp(task_counter)
ops.CountUp(local_counter)
# gather sum of squares of local counters to make sure that
# each local counter counted exactly up to NUM_ITERS, and
# that there was no false sharing of counter instances.
with ops.task_instance_exit():
count2 = ops.RetrieveCount(task_counter)
with ops.loop(ops.Mul([count2, count2])):
ops.CountUp(counter2)
# This should have the same effect as the above
count3 = ops.RetrieveCount(local_counter)
with ops.loop(ops.Mul([count3, count3])):
ops.CountUp(counter3)
# The code below will only run once
with ops.task_exit():
total1 = final_output(ops.RetrieveCount(counter1))
total2 = final_output(ops.RetrieveCount(counter2))
total3 = final_output(ops.RetrieveCount(counter3))
with LocalSession() as session:
session.run(tg)
self.assertEquals(total1.fetch(), NUM_INSTANCES * NUM_ITERS)
self.assertEquals(total2.fetch(), NUM_INSTANCES * (NUM_ITERS ** 2))
self.assertEquals(total3.fetch(), NUM_INSTANCES * (NUM_ITERS ** 2))
def test_multi_instance_python_op(self):
"""
When task instances are created at runtime, C++ concurrently creates
multiple instances of operators in C++, and concurrently destroys them
once the task is finished. This means that the destructor of PythonOp
will be called concurrently, so the GIL must be acquired. This
test exercises this condition.
"""
with Task(num_instances=64) as task:
with ops.loop(4):
ops.Python((python_op_builder, [], {}))([], [])
with LocalSession() as session:
PythonOpStats.num_instances = 0
PythonOpStats.num_calls = 0
session.run(task)
self.assertEquals(PythonOpStats.num_instances, 64)
self.assertEquals(PythonOpStats.num_calls, 256)
def test_multi_instance_python_op(self):
"""
When task instances are created at runtime, C++ concurrently creates
multiple instances of operators in C++, and concurrently destroys them
once the task is finished. This means that the destructor of PythonOp
will be called concurrently, so the GIL must be acquired. This
test exercises this condition.
"""
with Task(num_instances=64) as task:
with ops.loop(4):
ops.Python((python_op_builder, [], {}))([], [])
with LocalSession() as session:
PythonOpStats.num_instances = 0
PythonOpStats.num_calls = 0
session.run(task)
self.assertEquals(PythonOpStats.num_instances, 64)
self.assertEquals(PythonOpStats.num_calls, 256)
def test_download_group_simple(self):
"""
A simple test that ensures we have download task group
executed between epoch_group and exit_group.
"""
model = model_helper.ModelHelper(name="test_model")
download_net = core.Net("download_net")
for name in ["input1", "input2", "output", "download_result"]:
model.param_init_net.ConstantFill([], [name],
shape=[
8,
],
value=1.0,
run_once=0)
model.net.Add(["input1", "input2"], ["output"])
download_net.Copy(["output"], ["download_result"])
# All blob values are initialized as 1.0, after download_net executed
# we expect to see download result is the same as training result.
with Job() as job:
with Node("trainer:0"):
with job.init_group:
Task(step=model.param_init_net)
with job.epoch_group:
with Task():
with ops.loop(1):
ops.net(model.net)
with job.download_group:
Task(step=download_net)
epoch_limiter(job, 1)
ws = workspace.C.Workspace()
session = LocalSession(ws)
job_runner = JobRunner(job)
job_runner.train(session)
expected_result = np.full(8, 2.0).astype(np.float32)
self.assertTrue(
np.array_equal(expected_result, ws.fetch_blob("output")))
self.assertTrue(
np.array_equal(expected_result, ws.fetch_blob("download_result")))
def test_download_group_simple(self):
"""
A simple test that ensures we have download task group
executed between epoch_group and exit_group.
"""
model = model_helper.ModelHelper(name="test_model")
download_net = core.Net("download_net")
for name in ["input1", "input2", "output", "download_result"]:
model.param_init_net.ConstantFill([],
[name],
shape=[8, ],
value=1.0,
run_once=0)
model.net.Add(["input1", "input2"], ["output"])
download_net.Copy(["output"], ["download_result"])
# All blob values are initialized as 1.0, after download_net executed
# we expect to see download result is the same as training result.
with Job() as job:
with Node("trainer:0"):
with job.init_group:
Task(step=model.param_init_net)
with job.epoch_group:
with Task():
with ops.loop(1):
ops.net(model.net)
with job.download_group:
Task(step=download_net)
epoch_limiter(job, 1)
ws = workspace.C.Workspace()
session = LocalSession(ws)
job_runner = JobRunner(job)
job_runner.train(session)
expected_result = np.full(8, 2.0).astype(np.float32)
self.assertTrue(np.array_equal(expected_result,
ws.fetch_blob("output")))
self.assertTrue(np.array_equal(expected_result,
ws.fetch_blob("download_result")))
def proc(rec):
# executed once
with ops.task_init():
counter1 = ops.CreateCounter([], ['global_counter'])
counter2 = ops.CreateCounter([], ['global_counter2'])
counter3 = ops.CreateCounter([], ['global_counter3'])
# executed once per thread
with ops.task_instance_init():
task_counter = ops.CreateCounter([], ['task_counter'])
# executed on each iteration
ops.CountUp(counter1)
ops.CountUp(task_counter)
# executed once per thread
with ops.task_instance_exit():
with ops.loop(ops.RetrieveCount(task_counter)):
ops.CountUp(counter2)
ops.CountUp(counter3)
# executed once
with ops.task_exit():
totals[0] = final_output(ops.RetrieveCount(counter1))
totals[1] = final_output(ops.RetrieveCount(counter2))
totals[2] = final_output(ops.RetrieveCount(counter3))
return rec
def proc(rec):
# executed once
with ops.task_init():
counter1 = ops.CreateCounter([], ['global_counter'])
counter2 = ops.CreateCounter([], ['global_counter2'])
counter3 = ops.CreateCounter([], ['global_counter3'])
# executed once per thread
with ops.task_instance_init():
task_counter = ops.CreateCounter([], ['task_counter'])
# executed on each iteration
ops.CountUp(counter1)
ops.CountUp(task_counter)
# executed once per thread
with ops.task_instance_exit():
with ops.loop(ops.RetrieveCount(task_counter)):
ops.CountUp(counter2)
ops.CountUp(counter3)
# executed once
with ops.task_exit():
totals[0] = final_output(ops.RetrieveCount(counter1))
totals[1] = final_output(ops.RetrieveCount(counter2))
totals[2] = final_output(ops.RetrieveCount(counter3))
return rec
