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Diffstat (limited to 'benchmarks/python/py_benchmark.py')
| -rwxr-xr-x | benchmarks/python/py_benchmark.py | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/benchmarks/python/py_benchmark.py b/benchmarks/python/py_benchmark.py new file mode 100755 index 00000000..e86b61e7 --- /dev/null +++ b/benchmarks/python/py_benchmark.py @@ -0,0 +1,153 @@ +from __future__ import print_function +import sys +import os +import timeit +import math +import argparse +import fnmatch +import json + +parser = argparse.ArgumentParser(description="Python protobuf benchmark") +parser.add_argument("data_files", metavar="dataFile", nargs="+", + help="testing data files.") +parser.add_argument("--json", action="store_const", dest="json", + const="yes", default="no", + help="Whether to output json results") +parser.add_argument("--behavior_prefix", dest="behavior_prefix", + help="The output json format's behavior's name's prefix", + default="") +# BEGIN CPP GENERATED MESSAGE +parser.add_argument("--cpp_generated", action="store_const", + dest="cpp_generated", const="yes", default="no", + help="Whether to link generated code library") +# END CPP GENERATED MESSAGE +args = parser.parse_args() +# BEGIN CPP GENERATED MESSAGE +# CPP generated code must be linked before importing the generated Python code +# for the descriptor can be found in the pool +if args.cpp_generated != "no": + sys.path.append( os.path.dirname( os.path.dirname( os.path.abspath(__file__) ) ) + "/.libs" ) + import libbenchmark_messages + sys.path.append( os.path.dirname( os.path.dirname( os.path.abspath(__file__) ) ) + "/tmp" ) +# END CPP GENERATED MESSAGE + + +import datasets.google_message1.proto2.benchmark_message1_proto2_pb2 as benchmark_message1_proto2_pb2 +import datasets.google_message1.proto3.benchmark_message1_proto3_pb2 as benchmark_message1_proto3_pb2 +import datasets.google_message2.benchmark_message2_pb2 as benchmark_message2_pb2 +import datasets.google_message3.benchmark_message3_pb2 as benchmark_message3_pb2 +import datasets.google_message4.benchmark_message4_pb2 as benchmark_message4_pb2 +import benchmarks_pb2 as benchmarks_pb2 + + +def run_one_test(filename): + data = open(filename).read() + benchmark_dataset = benchmarks_pb2.BenchmarkDataset() + benchmark_dataset.ParseFromString(data) + benchmark_util = Benchmark(full_iteration=len(benchmark_dataset.payload), + module="py_benchmark", + setup_method="init") + result={} + result["filename"] = filename + result["message_name"] = benchmark_dataset.message_name + result["benchmarks"] = {} + benchmark_util.set_test_method("parse_from_benchmark") + result["benchmarks"][args.behavior_prefix + "_parse_from_benchmark"] = \ + benchmark_util.run_benchmark(setup_method_args='"%s"' % (filename)) + benchmark_util.set_test_method("serialize_to_benchmark") + result["benchmarks"][args.behavior_prefix + "_serialize_to_benchmark"] = \ + benchmark_util.run_benchmark(setup_method_args='"%s"' % (filename)) + return result + + +def init(filename): + global benchmark_dataset, message_class, message_list, counter + message_list=[] + counter = 0 + data = open(os.path.dirname(sys.argv[0]) + "/../" + filename).read() + benchmark_dataset = benchmarks_pb2.BenchmarkDataset() + benchmark_dataset.ParseFromString(data) + + if benchmark_dataset.message_name == "benchmarks.proto3.GoogleMessage1": + message_class = benchmark_message1_proto3_pb2.GoogleMessage1 + elif benchmark_dataset.message_name == "benchmarks.proto2.GoogleMessage1": + message_class = benchmark_message1_proto2_pb2.GoogleMessage1 + elif benchmark_dataset.message_name == "benchmarks.proto2.GoogleMessage2": + message_class = benchmark_message2_pb2.GoogleMessage2 + elif benchmark_dataset.message_name == "benchmarks.google_message3.GoogleMessage3": + message_class = benchmark_message3_pb2.GoogleMessage3 + elif benchmark_dataset.message_name == "benchmarks.google_message4.GoogleMessage4": + message_class = benchmark_message4_pb2.GoogleMessage4 + else: + raise IOError("Message %s not found!" % (benchmark_dataset.message_name)) + + for one_payload in benchmark_dataset.payload: + temp = message_class() + temp.ParseFromString(one_payload) + message_list.append(temp) + + +def parse_from_benchmark(): + global counter, message_class, benchmark_dataset + m = message_class().ParseFromString(benchmark_dataset.payload[counter % len(benchmark_dataset.payload)]) + counter = counter + 1 + + +def serialize_to_benchmark(): + global counter, message_list, message_class + s = message_list[counter % len(benchmark_dataset.payload)].SerializeToString() + counter = counter + 1 + + +class Benchmark: + def __init__(self, module=None, test_method=None, + setup_method=None, full_iteration = 1): + self.full_iteration = full_iteration + self.module = module + self.test_method = test_method + self.setup_method = setup_method + + def set_test_method(self, test_method): + self.test_method = test_method + + def full_setup_code(self, setup_method_args=''): + setup_code = "" + setup_code += "from %s import %s\n" % (self.module, self.test_method) + setup_code += "from %s import %s\n" % (self.module, self.setup_method) + setup_code += "%s(%s)\n" % (self.setup_method, setup_method_args) + return setup_code + + def dry_run(self, test_method_args='', setup_method_args=''): + return timeit.timeit(stmt="%s(%s)" % (self.test_method, test_method_args), + setup=self.full_setup_code(setup_method_args), + number=self.full_iteration); + + def run_benchmark(self, test_method_args='', setup_method_args=''): + reps = self.full_iteration; + t = self.dry_run(test_method_args, setup_method_args); + if t < 3 : + reps = int(math.ceil(3 / t)) * self.full_iteration + t = timeit.timeit(stmt="%s(%s)" % (self.test_method, test_method_args), + setup=self.full_setup_code(setup_method_args), + number=reps); + return 1.0 * t / reps * (10 ** 9) + + +if __name__ == "__main__": + results = [] + for file in args.data_files: + results.append(run_one_test(file)) + + if args.json != "no": + print(json.dumps(results)) + else: + for result in results: + print("Message %s of dataset file %s" % \ + (result["message_name"], result["filename"])) + print("Average time for parse_from_benchmark: %.2f ns" % \ + (result["benchmarks"][ \ + args.behavior_prefix + "_parse_from_benchmark"])) + print("Average time for serialize_to_benchmark: %.2f ns" % \ + (result["benchmarks"][ \ + args.behavior_prefix + "_serialize_to_benchmark"])) + print("") |