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# pip install cython | |
# python setup.py build_ext --inplace; python bench-runner.py | |
import time | |
import apache_beam as beam | |
from apache_beam.runners import common | |
from apache_beam.utils.windowed_value import WindowedValue | |
class MyDoFn(beam.DoFn): | |
@staticmethod | |
def process(element): | |
return (None,) | |
class WindowingStub(object): | |
windowfn = None | |
class NullReceiver(common.Receiver): | |
def receive(self, unused): | |
pass | |
def create_runner(receiver=NullReceiver()): | |
return common.DoFnRunner( | |
MyDoFn(), | |
args=(), | |
kwargs={}, | |
side_inputs={}, | |
windowing=WindowingStub(), | |
context=None, | |
tagged_receivers={None: receiver}, | |
logger=None, | |
step_name='step', | |
logging_context=common.LoggingContext(), | |
state=common.DoFnState(None), | |
scoped_metrics_container=None) | |
NUM_STEPS = 100 | |
NUM_TIMINGS = 10 | |
NUM_ELEMENTS = 10000 | |
# Fused graph. | |
runner = create_runner() | |
for _ in range(NUM_STEPS): | |
runner = create_runner(runner) | |
w = WindowedValue(None, 100, (common.GlobalWindow(),)) | |
all_elapsed = [] | |
for _ in range(NUM_TIMINGS): | |
start = time.time() | |
runner.start() | |
for _ in range(NUM_ELEMENTS): | |
runner.process(w) | |
elapsed = time.time() - start | |
runner.finish() | |
print elapsed | |
all_elapsed.append(elapsed) | |
print sorted(all_elapsed) |
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