| #!/usr/bin/env python3 |
| # Copyright 2016 Google Inc. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS-IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import argparse |
| import re |
| import textwrap |
| from collections import defaultdict |
| from timeit import default_timer as timer |
| import tempfile |
| import os |
| import shutil |
| import itertools |
| import numpy |
| import subprocess |
| import yaml |
| from numpy import floor, log10 |
| import scipy |
| import multiprocessing |
| import sh |
| import json |
| import statsmodels.stats.api as stats |
| from generate_benchmark import generate_benchmark |
| import git |
| from functools import lru_cache as memoize |
| |
| class CommandFailedException(Exception): |
| def __init__(self, command, stdout, stderr, error_code): |
| self.command = command |
| self.stdout = stdout |
| self.stderr = stderr |
| self.error_code = error_code |
| |
| def __str__(self): |
| return textwrap.dedent('''\ |
| Ran command: {command} |
| Exit code {error_code} |
| Stdout: |
| {stdout} |
| |
| Stderr: |
| {stderr} |
| ''').format(command=self.command, error_code=self.error_code, stdout=self.stdout, stderr=self.stderr) |
| |
| def run_command(executable, args=[], cwd=None, env=None): |
| args = [str(arg) for arg in args] |
| command = [executable] + args |
| try: |
| p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, cwd=cwd, |
| env=env) |
| (stdout, stderr) = p.communicate() |
| except Exception as e: |
| raise Exception("While executing: %s" % command) |
| if p.returncode != 0: |
| raise CommandFailedException(command, stdout, stderr, p.returncode) |
| return (stdout, stderr) |
| |
| compile_flags = ['-O2', '-DNDEBUG'] |
| |
| make_args = ['-j', multiprocessing.cpu_count() + 1] |
| |
| def parse_results(result_lines): |
| """ |
| Parses results from the format: |
| ['Dimension name1 = 123', |
| 'Long dimension name2 = 23.45'] |
| |
| Into a dict {'Dimension name1': 123.0, 'Dimension name2': 23.45} |
| """ |
| result_dict = dict() |
| for line in result_lines: |
| line_splits = line.split('=') |
| metric = line_splits[0].strip() |
| value = float(line_splits[1].strip()) |
| result_dict[metric] = value |
| return result_dict |
| |
| |
| # We memoize the result since this might be called repeatedly and it's somewhat expensive. |
| @memoize(maxsize=None) |
| def determine_compiler_name(compiler_executable_name): |
| tmpdir = tempfile.gettempdir() + '/fruit-determine-compiler-version-dir' |
| ensure_empty_dir(tmpdir) |
| with open(tmpdir + '/CMakeLists.txt', 'w') as file: |
| file.write('message("@@@${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}@@@")\n') |
| modified_env = os.environ.copy() |
| modified_env['CXX'] = compiler_executable_name |
| # By converting to a list, we force all output to be read (so the command execution is guaranteed to be complete after this line). |
| # Otherwise, subsequent calls to determine_compiler_name might have trouble deleting the temporary directory because the cmake |
| # process is still writing files in there. |
| _, stderr = run_command('cmake', args=['.'], cwd=tmpdir, env=modified_env) |
| cmake_output = stderr.splitlines() |
| for line in cmake_output: |
| re_result = re.search('@@@(.*)@@@', line) |
| if re_result: |
| pretty_name = re_result.group(1) |
| # CMake calls GCC 'GNU', change it into 'GCC'. |
| return pretty_name.replace('GNU ', 'GCC ') |
| raise Exception('Unable to determine compiler. CMake output was: \n', cmake_output) |
| |
| |
| # Returns a pair (sha256_hash, version_name), where version_name will be None if no version tag was found at HEAD. |
| @memoize(maxsize=None) |
| def git_repo_info(repo_path): |
| repo = git.Repo(repo_path) |
| head_tags = [tag.name for tag in repo.tags if tag.commit == repo.head.commit and re.match('v[0-9].*', tag.name)] |
| if head_tags == []: |
| head_tag = None |
| else: |
| # There should be only 1 version at any given commit. |
| [head_tag] = head_tags |
| # Remove the 'v' prefix. |
| head_tag = head_tag[1:] |
| return (repo.head.commit.hexsha, head_tag) |
| |
| |
| # Some benchmark parameters, e.g. 'compiler_name' are synthesized automatically from other dimensions (e.g. 'compiler' dimension) or from the environment. |
| # We put the compiler name/version in the results because the same 'compiler' value might refer to different compiler versions |
| # (e.g. if GCC 6.0.0 is installed when benchmarks are run, then it's updated to GCC 6.0.1 and finally the results are formatted, we |
| # want the formatted results to say "GCC 6.0.0" instead of "GCC 6.0.1"). |
| def add_synthetic_benchmark_parameters(original_benchmark_parameters, path_to_code_under_test): |
| benchmark_params = original_benchmark_parameters.copy() |
| benchmark_params['compiler_name'] = determine_compiler_name(original_benchmark_parameters['compiler']) |
| if path_to_code_under_test is not None: |
| sha256_hash, version_name = git_repo_info(path_to_code_under_test) |
| benchmark_params['di_library_git_commit_hash'] = sha256_hash |
| if version_name is not None: |
| benchmark_params['di_library_version_name'] = version_name |
| return benchmark_params |
| |
| |
| class SimpleNewDeleteRunTimeBenchmark: |
| def __init__(self, benchmark_definition, fruit_benchmark_sources_dir): |
| self.benchmark_definition = add_synthetic_benchmark_parameters(benchmark_definition, path_to_code_under_test=None) |
| self.fruit_benchmark_sources_dir = fruit_benchmark_sources_dir |
| |
| def prepare(self): |
| cxx_std = self.benchmark_definition['cxx_std'] |
| num_classes = self.benchmark_definition['num_classes'] |
| compiler_executable_name = self.benchmark_definition['compiler'] |
| |
| self.tmpdir = tempfile.gettempdir() + '/fruit-benchmark-dir' |
| ensure_empty_dir(self.tmpdir) |
| run_command(compiler_executable_name, |
| args=compile_flags + [ |
| '-std=%s' % cxx_std, |
| '-DMULTIPLIER=%s' % num_classes, |
| self.fruit_benchmark_sources_dir + '/extras/benchmark/new_delete_benchmark.cpp', |
| '-o', |
| self.tmpdir + '/main', |
| ]) |
| |
| def run(self): |
| loop_factor = self.benchmark_definition['loop_factor'] |
| stdout, _ = run_command(self.tmpdir + '/main', args = [int(5000000 * loop_factor)]) |
| return parse_results(stdout.splitlines()) |
| |
| def describe(self): |
| return self.benchmark_definition |
| |
| |
| class FruitSingleFileCompileTimeBenchmark: |
| def __init__(self, benchmark_definition, fruit_sources_dir, fruit_build_dir, fruit_benchmark_sources_dir): |
| self.benchmark_definition = add_synthetic_benchmark_parameters(benchmark_definition, path_to_code_under_test=fruit_sources_dir) |
| self.fruit_sources_dir = fruit_sources_dir |
| self.fruit_build_dir = fruit_build_dir |
| self.fruit_benchmark_sources_dir = fruit_benchmark_sources_dir |
| num_bindings = self.benchmark_definition['num_bindings'] |
| assert (num_bindings % 5) == 0, num_bindings |
| |
| def prepare(self): |
| pass |
| |
| def run(self): |
| start = timer() |
| cxx_std = self.benchmark_definition['cxx_std'] |
| num_bindings = self.benchmark_definition['num_bindings'] |
| compiler_executable_name = self.benchmark_definition['compiler'] |
| |
| run_command(compiler_executable_name, |
| args = compile_flags + [ |
| '-std=%s' % cxx_std, |
| '-DMULTIPLIER=%s' % (num_bindings // 5), |
| '-I', self.fruit_sources_dir + '/include', |
| '-I', self.fruit_build_dir + '/include', |
| '-ftemplate-depth=1000', |
| '-c', |
| self.fruit_benchmark_sources_dir + '/extras/benchmark/compile_time_benchmark.cpp', |
| '-o', |
| '/dev/null', |
| ]) |
| end = timer() |
| return {"compile_time": end - start} |
| |
| def describe(self): |
| return self.benchmark_definition |
| |
| |
| def ensure_empty_dir(dirname): |
| # We start by creating the directory instead of just calling rmtree with ignore_errors=True because that would ignore |
| # all errors, so we might otherwise go ahead even if the directory wasn't properly deleted. |
| os.makedirs(dirname, exist_ok=True) |
| shutil.rmtree(dirname) |
| os.makedirs(dirname) |
| |
| |
| class GenericGeneratedSourcesBenchmark: |
| def __init__(self, |
| di_library, |
| benchmark_definition, |
| path_to_code_under_test=None, |
| **other_args): |
| self.di_library = di_library |
| self.benchmark_definition = add_synthetic_benchmark_parameters(benchmark_definition, path_to_code_under_test=path_to_code_under_test) |
| self.other_args = other_args |
| self.arbitrary_file = None |
| |
| def prepare_compile_benchmark(self): |
| num_classes = self.benchmark_definition['num_classes'] |
| cxx_std = self.benchmark_definition['cxx_std'] |
| compiler_executable_name = self.benchmark_definition['compiler'] |
| benchmark_generation_flags = {flag_name: True for flag_name in self.benchmark_definition['benchmark_generation_flags']} |
| |
| self.tmpdir = tempfile.gettempdir() + '/fruit-benchmark-dir' |
| ensure_empty_dir(self.tmpdir) |
| num_classes_with_no_deps = int(num_classes * 0.1) |
| return generate_benchmark( |
| compiler=compiler_executable_name, |
| num_components_with_no_deps=num_classes_with_no_deps, |
| num_components_with_deps=num_classes - num_classes_with_no_deps, |
| num_deps=10, |
| output_dir=self.tmpdir, |
| cxx_std=cxx_std, |
| di_library=self.di_library, |
| **benchmark_generation_flags, |
| **self.other_args) |
| |
| def run_make_build(self): |
| run_command('make', args=make_args, cwd=self.tmpdir) |
| |
| def prepare_incremental_compile_benchmark(self): |
| files = self.prepare_compile_benchmark() |
| self.run_make_build() |
| files = list(sorted(file for file in files if file.endswith('.h'))) |
| # 5 files, equally spaced (but not at beginning/end) in the sorted sequence. |
| num_files_changed = 5 |
| self.arbitrary_files = [files[i * (len(files) // (num_files_changed + 2))] |
| for i in range(1, num_files_changed + 1)] |
| |
| def prepare_runtime_benchmark(self): |
| self.prepare_compile_benchmark() |
| self.run_make_build() |
| |
| def prepare_startup_benchmark(self): |
| self.prepare_compile_benchmark() |
| self.run_make_build() |
| run_command('strip', args=[self.tmpdir + '/main']) |
| |
| def prepare_executable_size_benchmark(self): |
| self.prepare_runtime_benchmark() |
| run_command('strip', args=[self.tmpdir + '/main']) |
| |
| def run_compile_benchmark(self): |
| run_command('make', |
| args=make_args + ['clean'], |
| cwd=self.tmpdir) |
| start = timer() |
| self.run_make_build() |
| end = timer() |
| result = {'compile_time': end - start} |
| return result |
| |
| def run_incremental_compile_benchmark(self): |
| run_command('touch', args=self.arbitrary_files, cwd=self.tmpdir) |
| start = timer() |
| self.run_make_build() |
| end = timer() |
| result = {'incremental_compile_time': end - start} |
| return result |
| |
| def run_runtime_benchmark(self): |
| num_classes = self.benchmark_definition['num_classes'] |
| loop_factor = self.benchmark_definition['loop_factor'] |
| |
| results, _ = run_command(self.tmpdir + '/main', |
| args = [ |
| # 40M loops with 100 classes, 40M with 1000 |
| int(4 * 1000 * 1000 * 1000 * loop_factor / num_classes), |
| ]) |
| return parse_results(results.splitlines()) |
| |
| def run_startup_benchmark(self): |
| n = 1000 |
| start = timer() |
| for i in range(0, n): |
| run_command(self.tmpdir + '/main', args = []) |
| end = timer() |
| result = {'startup_time': (end - start) / n} |
| return result |
| |
| def run_executable_size_benchmark(self): |
| wc_result, _ = run_command('wc', args=['-c', self.tmpdir + '/main']) |
| num_bytes = wc_result.splitlines()[0].split(' ')[0] |
| return {'num_bytes': float(num_bytes)} |
| |
| def describe(self): |
| return self.benchmark_definition |
| |
| |
| class CompileTimeBenchmark(GenericGeneratedSourcesBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(generate_runtime_bench_code=False, |
| **kwargs) |
| |
| def prepare(self): |
| self.prepare_compile_benchmark() |
| |
| def run(self): |
| return self.run_compile_benchmark() |
| |
| class IncrementalCompileTimeBenchmark(GenericGeneratedSourcesBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(generate_runtime_bench_code=False, |
| **kwargs) |
| |
| def prepare(self): |
| self.prepare_incremental_compile_benchmark() |
| |
| def run(self): |
| return self.run_incremental_compile_benchmark() |
| |
| class StartupTimeBenchmark(GenericGeneratedSourcesBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(generate_runtime_bench_code=False, |
| **kwargs) |
| |
| def prepare(self): |
| self.prepare_startup_benchmark() |
| |
| def run(self): |
| return self.run_startup_benchmark() |
| |
| class RunTimeBenchmark(GenericGeneratedSourcesBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(generate_runtime_bench_code=True, |
| **kwargs) |
| |
| def prepare(self): |
| self.prepare_runtime_benchmark() |
| |
| def run(self): |
| return self.run_runtime_benchmark() |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class ExecutableSizeBenchmark(GenericGeneratedSourcesBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(generate_runtime_bench_code=False, |
| **kwargs) |
| |
| def prepare(self): |
| self.prepare_executable_size_benchmark() |
| |
| def run(self): |
| return self.run_executable_size_benchmark() |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class ExecutableSizeBenchmarkWithoutExceptionsAndRtti(ExecutableSizeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_exceptions=False, |
| use_rtti=False, |
| **kwargs) |
| |
| class FruitCompileTimeBenchmark(CompileTimeBenchmark): |
| def __init__(self, fruit_sources_dir, **kwargs): |
| super().__init__(di_library='fruit', |
| path_to_code_under_test=fruit_sources_dir, |
| fruit_sources_dir=fruit_sources_dir, |
| **kwargs) |
| |
| class FruitIncrementalCompileTimeBenchmark(IncrementalCompileTimeBenchmark): |
| def __init__(self, fruit_sources_dir, **kwargs): |
| super().__init__(di_library='fruit', |
| path_to_code_under_test=fruit_sources_dir, |
| fruit_sources_dir=fruit_sources_dir, |
| **kwargs) |
| |
| class FruitRunTimeBenchmark(RunTimeBenchmark): |
| def __init__(self, fruit_sources_dir, **kwargs): |
| super().__init__(di_library='fruit', |
| path_to_code_under_test=fruit_sources_dir, |
| fruit_sources_dir=fruit_sources_dir, |
| **kwargs) |
| |
| class FruitStartupTimeBenchmark(StartupTimeBenchmark): |
| def __init__(self, fruit_sources_dir, **kwargs): |
| super().__init__(di_library='fruit', |
| path_to_code_under_test=fruit_sources_dir, |
| fruit_sources_dir=fruit_sources_dir, |
| **kwargs) |
| |
| class FruitStartupTimeWithNormalizedComponentBenchmark(FruitStartupTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_normalized_component=True, |
| **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class FruitExecutableSizeBenchmark(ExecutableSizeBenchmark): |
| def __init__(self, fruit_sources_dir, **kwargs): |
| super().__init__(di_library='fruit', |
| path_to_code_under_test=fruit_sources_dir, |
| fruit_sources_dir=fruit_sources_dir, |
| **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class FruitExecutableSizeBenchmarkWithoutExceptionsAndRtti(ExecutableSizeBenchmarkWithoutExceptionsAndRtti): |
| def __init__(self, fruit_sources_dir, **kwargs): |
| super().__init__(di_library='fruit', |
| path_to_code_under_test=fruit_sources_dir, |
| fruit_sources_dir=fruit_sources_dir, |
| **kwargs) |
| |
| class BoostDiCompileTimeBenchmark(CompileTimeBenchmark): |
| def __init__(self, boost_di_sources_dir, **kwargs): |
| super().__init__(di_library='boost_di', |
| path_to_code_under_test=boost_di_sources_dir, |
| boost_di_sources_dir=boost_di_sources_dir, |
| **kwargs) |
| |
| class BoostDiIncrementalCompileTimeBenchmark(IncrementalCompileTimeBenchmark): |
| def __init__(self, boost_di_sources_dir, **kwargs): |
| super().__init__(di_library='boost_di', |
| path_to_code_under_test=boost_di_sources_dir, |
| boost_di_sources_dir=boost_di_sources_dir, |
| **kwargs) |
| |
| class BoostDiRunTimeBenchmark(RunTimeBenchmark): |
| def __init__(self, boost_di_sources_dir, **kwargs): |
| super().__init__(di_library='boost_di', |
| path_to_code_under_test=boost_di_sources_dir, |
| boost_di_sources_dir=boost_di_sources_dir, |
| **kwargs) |
| |
| class BoostDiStartupTimeBenchmark(StartupTimeBenchmark): |
| def __init__(self, boost_di_sources_dir, **kwargs): |
| super().__init__(di_library='boost_di', |
| path_to_code_under_test=boost_di_sources_dir, |
| boost_di_sources_dir=boost_di_sources_dir, |
| **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class BoostDiExecutableSizeBenchmark(ExecutableSizeBenchmark): |
| def __init__(self, boost_di_sources_dir, **kwargs): |
| super().__init__(di_library='boost_di', |
| path_to_code_under_test=boost_di_sources_dir, |
| boost_di_sources_dir=boost_di_sources_dir, |
| **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class BoostDiExecutableSizeBenchmarkWithoutExceptionsAndRtti(ExecutableSizeBenchmarkWithoutExceptionsAndRtti): |
| def __init__(self, boost_di_sources_dir, **kwargs): |
| super().__init__(di_library='boost_di', |
| path_to_code_under_test=boost_di_sources_dir, |
| boost_di_sources_dir=boost_di_sources_dir, |
| **kwargs) |
| |
| class SimpleDiCompileTimeBenchmark(CompileTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(di_library='none', |
| **kwargs) |
| |
| class SimpleDiIncrementalCompileTimeBenchmark(IncrementalCompileTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(di_library='none', |
| **kwargs) |
| |
| class SimpleDiRunTimeBenchmark(RunTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(di_library='none', |
| **kwargs) |
| |
| class SimpleDiStartupTimeBenchmark(StartupTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(di_library='none', |
| **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class SimpleDiExecutableSizeBenchmark(ExecutableSizeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(di_library='none', |
| **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class SimpleDiExecutableSizeBenchmarkWithoutExceptionsAndRtti(ExecutableSizeBenchmarkWithoutExceptionsAndRtti): |
| def __init__(self, **kwargs): |
| super().__init__(di_library='none', |
| **kwargs) |
| |
| class SimpleDiWithInterfacesCompileTimeBenchmark(SimpleDiCompileTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_interfaces=True, **kwargs) |
| |
| class SimpleDiWithInterfacesIncrementalCompileTimeBenchmark(SimpleDiIncrementalCompileTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_interfaces=True, **kwargs) |
| |
| class SimpleDiWithInterfacesRunTimeBenchmark(SimpleDiRunTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_interfaces=True, **kwargs) |
| |
| class SimpleDiWithInterfacesStartupTimeBenchmark(SimpleDiStartupTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_interfaces=True, **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class SimpleDiWithInterfacesExecutableSizeBenchmark(SimpleDiExecutableSizeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_interfaces=True, **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class SimpleDiWithInterfacesExecutableSizeBenchmarkWithoutExceptionsAndRtti(SimpleDiExecutableSizeBenchmarkWithoutExceptionsAndRtti): |
| def __init__(self, **kwargs): |
| super().__init__(use_interfaces=True, **kwargs) |
| |
| class SimpleDiWithInterfacesAndNewDeleteCompileTimeBenchmark(SimpleDiWithInterfacesCompileTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_new_delete=True, **kwargs) |
| |
| class SimpleDiWithInterfacesAndNewDeleteIncrementalCompileTimeBenchmark(SimpleDiWithInterfacesIncrementalCompileTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_new_delete=True, **kwargs) |
| |
| class SimpleDiWithInterfacesAndNewDeleteRunTimeBenchmark(SimpleDiWithInterfacesRunTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_new_delete=True, **kwargs) |
| |
| class SimpleDiWithInterfacesAndNewDeleteStartupTimeBenchmark(SimpleDiWithInterfacesStartupTimeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_new_delete=True, **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class SimpleDiWithInterfacesAndNewDeleteExecutableSizeBenchmark(SimpleDiWithInterfacesExecutableSizeBenchmark): |
| def __init__(self, **kwargs): |
| super().__init__(use_new_delete=True, **kwargs) |
| |
| # This is not really a 'benchmark', but we consider it as such to reuse the benchmark infrastructure. |
| class SimpleDiWithInterfacesAndNewDeleteExecutableSizeBenchmarkWithoutExceptionsAndRtti(SimpleDiWithInterfacesExecutableSizeBenchmarkWithoutExceptionsAndRtti): |
| def __init__(self, **kwargs): |
| super().__init__(use_new_delete=True, **kwargs) |
| |
| |
| def round_to_significant_digits(n, num_significant_digits): |
| if n <= 0: |
| # We special-case this, otherwise the log10 below will fail. |
| return 0 |
| return round(n, num_significant_digits - int(floor(log10(n))) - 1) |
| |
| def run_benchmark(benchmark, max_runs, timeout_hours, output_file, min_runs=3): |
| def run_benchmark_once(): |
| print('Running benchmark... ', end='', flush=True) |
| result = benchmark.run() |
| print(result) |
| for dimension, value in result.items(): |
| results_by_dimension[dimension] += [value] |
| |
| results_by_dimension = defaultdict(lambda: []) |
| print('Preparing for benchmark... ', end='', flush=True) |
| benchmark.prepare() |
| print('Done.') |
| |
| start_time = timer() |
| |
| # Run at least min_runs times |
| for i in range(min_runs): |
| run_benchmark_once() |
| |
| # Then consider running a few more times to get the desired precision. |
| while True: |
| if timer() - start_time > timeout_hours * 3600: |
| print("Warning: timed out, couldn't determine a result with the desired precision.") |
| break |
| |
| for dimension, results in results_by_dimension.items(): |
| if all(result == results[0] for result in results): |
| # If all results are exactly the same the code below misbehaves. We don't need to run again in this case. |
| continue |
| confidence_interval = stats.DescrStatsW(results).tconfint_mean(0.05) |
| confidence_interval_2dig = (round_to_significant_digits(confidence_interval[0], 2), |
| round_to_significant_digits(confidence_interval[1], 2)) |
| if abs(confidence_interval_2dig[0] - confidence_interval_2dig[1]) > numpy.finfo(float).eps * 10: |
| if len(results) < max_runs: |
| print("Running again to get more precision on the metric %s. Current confidence interval: [%.3g, %.3g]" % ( |
| dimension, confidence_interval[0], confidence_interval[1])) |
| break |
| else: |
| print("Warning: couldn't determine a precise result for the metric %s. Confidence interval: [%.3g, %.3g]" % ( |
| dimension, confidence_interval[0], confidence_interval[1])) |
| else: |
| # We've reached sufficient precision in all metrics, or we've reached the max number of runs. |
| break |
| |
| run_benchmark_once() |
| |
| # We've reached the desired precision in all dimensions or reached the maximum number of runs. Record the results. |
| rounded_confidence_intervals_by_dimension = {} |
| confidence_intervals_by_dimension = {} |
| for dimension, results in results_by_dimension.items(): |
| confidence_interval = stats.DescrStatsW(results).tconfint_mean(0.05) |
| confidence_interval_2dig = (round_to_significant_digits(confidence_interval[0], 2), |
| round_to_significant_digits(confidence_interval[1], 2)) |
| rounded_confidence_intervals_by_dimension[dimension] = confidence_interval_2dig |
| confidence_intervals_by_dimension[dimension] = (confidence_interval, confidence_interval_2dig) |
| with open(output_file, 'a') as f: |
| json.dump({"benchmark": benchmark.describe(), "results": confidence_intervals_by_dimension}, f) |
| print(file=f) |
| print('Benchmark finished. Result: ', rounded_confidence_intervals_by_dimension) |
| print() |
| |
| |
| def expand_benchmark_definition(benchmark_definition): |
| """ |
| Takes a benchmark definition, e.g.: |
| [{name: 'foo', compiler: ['g++-5', 'g++-6']}, |
| {name: ['bar', 'baz'], compiler: ['g++-5'], cxx_std: 'c++14'}] |
| |
| And expands it into the individual benchmarks to run, in the example above: |
| [{name: 'foo', compiler: 'g++-5'}, |
| {name: 'foo', compiler: 'g++-6'}, |
| {name: 'bar', compiler: 'g++-5', cxx_std: 'c++14'}, |
| {name: 'baz', compiler: 'g++-5', cxx_std: 'c++14'}] |
| """ |
| dict_keys = sorted(benchmark_definition.keys()) |
| # Turn non-list values into single-item lists. |
| benchmark_definition = {dict_key: value if isinstance(value, list) else [value] |
| for dict_key, value in benchmark_definition.items()} |
| # Compute the cartesian product of the value lists |
| value_combinations = itertools.product(*(benchmark_definition[dict_key] for dict_key in dict_keys)) |
| # Then turn the result back into a dict. |
| return [dict(zip(dict_keys, value_combination)) |
| for value_combination in value_combinations] |
| |
| |
| def expand_benchmark_definitions(benchmark_definitions): |
| return list(itertools.chain(*[expand_benchmark_definition(benchmark_definition) for benchmark_definition in benchmark_definitions])) |
| |
| def group_by(l, element_to_key): |
| """Takes a list and returns a dict of sublists, where the elements are grouped using the provided function""" |
| result = defaultdict(list) |
| for elem in l: |
| result[element_to_key(elem)].append(elem) |
| return result.items() |
| |
| def main(): |
| # This configures numpy/scipy to raise an exception in case of errors, instead of printing a warning and going ahead. |
| numpy.seterr(all='raise') |
| scipy.seterr(all='raise') |
| |
| parser = argparse.ArgumentParser(description='Runs a set of benchmarks defined in a YAML file.') |
| parser.add_argument('--fruit-benchmark-sources-dir', help='Path to the fruit sources (used for benchmarking code only)') |
| parser.add_argument('--fruit-sources-dir', help='Path to the fruit sources') |
| parser.add_argument('--boost-di-sources-dir', help='Path to the Boost.DI sources') |
| parser.add_argument('--output-file', |
| help='The output file where benchmark results will be stored (1 per line, with each line in JSON format). These can then be formatted by e.g. the format_bench_results script.') |
| parser.add_argument('--benchmark-definition', help='The YAML file that defines the benchmarks (see fruit_wiki_benchs_fruit.yml for an example).') |
| parser.add_argument('--continue-benchmark', help='If this is \'true\', continues a previous benchmark run instead of starting from scratch (taking into account the existing benchmark results in the file specified with --output-file).') |
| args = parser.parse_args() |
| |
| if args.output_file is None: |
| raise Exception('You must specify --output_file') |
| if args.continue_benchmark == 'true': |
| try: |
| with open(args.output_file, 'r') as f: |
| previous_run_completed_benchmarks = [json.loads(line)['benchmark'] for line in f.readlines()] |
| except FileNotFoundError: |
| previous_run_completed_benchmarks = [] |
| else: |
| previous_run_completed_benchmarks = [] |
| run_command('rm', args=['-f', args.output_file]) |
| |
| fruit_build_dir = tempfile.gettempdir() + '/fruit-benchmark-build-dir' |
| |
| with open(args.benchmark_definition, 'r') as f: |
| yaml_file_content = yaml.load(f) |
| global_definitions = yaml_file_content['global'] |
| benchmark_definitions = expand_benchmark_definitions(yaml_file_content['benchmarks']) |
| |
| benchmark_index = 0 |
| |
| for (compiler_executable_name, additional_cmake_args), benchmark_definitions_with_current_config \ |
| in group_by(benchmark_definitions, |
| lambda benchmark_definition: |
| (benchmark_definition['compiler'], tuple(benchmark_definition['additional_cmake_args']))): |
| |
| print('Preparing for benchmarks with the compiler %s, with additional CMake args %s' % (compiler_executable_name, additional_cmake_args)) |
| # We compute this here (and memoize the result) so that the benchmark's describe() will retrieve the cached |
| # value instantly. |
| determine_compiler_name(compiler_executable_name) |
| |
| # Build Fruit in fruit_build_dir, so that fruit_build_dir points to a built Fruit (useful for e.g. the config header). |
| shutil.rmtree(fruit_build_dir, ignore_errors=True) |
| os.makedirs(fruit_build_dir) |
| modified_env = os.environ.copy() |
| modified_env['CXX'] = compiler_executable_name |
| run_command('cmake', |
| args=[ |
| args.fruit_sources_dir, |
| '-DCMAKE_BUILD_TYPE=Release', |
| *additional_cmake_args, |
| ], |
| cwd=fruit_build_dir, |
| env=modified_env) |
| run_command('make', args=make_args, cwd=fruit_build_dir) |
| |
| for benchmark_definition in benchmark_definitions_with_current_config: |
| benchmark_index += 1 |
| print('%s/%s: %s' % (benchmark_index, len(benchmark_definitions), benchmark_definition)) |
| benchmark_name = benchmark_definition['name'] |
| |
| if (benchmark_name in {'boost_di_compile_time', 'boost_di_run_time', 'boost_di_executable_size'} |
| and args.boost_di_sources_dir is None): |
| raise Exception('Error: you need to specify the --boost-di-sources-dir flag in order to run Boost.DI benchmarks.') |
| |
| if benchmark_name == 'new_delete_run_time': |
| benchmark = SimpleNewDeleteRunTimeBenchmark( |
| benchmark_definition, |
| fruit_benchmark_sources_dir=args.fruit_benchmark_sources_dir) |
| elif benchmark_name == 'fruit_single_file_compile_time': |
| benchmark = FruitSingleFileCompileTimeBenchmark( |
| benchmark_definition, |
| fruit_sources_dir=args.fruit_sources_dir, |
| fruit_benchmark_sources_dir=args.fruit_benchmark_sources_dir, |
| fruit_build_dir=fruit_build_dir) |
| elif benchmark_name.startswith('fruit_'): |
| benchmark_class = { |
| 'fruit_compile_time': FruitCompileTimeBenchmark, |
| 'fruit_incremental_compile_time': FruitIncrementalCompileTimeBenchmark, |
| 'fruit_run_time': FruitRunTimeBenchmark, |
| 'fruit_startup_time': FruitStartupTimeBenchmark, |
| 'fruit_startup_time_with_normalized_component': FruitStartupTimeWithNormalizedComponentBenchmark, |
| 'fruit_executable_size': FruitExecutableSizeBenchmark, |
| 'fruit_executable_size_without_exceptions_and_rtti': FruitExecutableSizeBenchmarkWithoutExceptionsAndRtti, |
| }[benchmark_name] |
| benchmark = benchmark_class( |
| benchmark_definition=benchmark_definition, |
| fruit_sources_dir=args.fruit_sources_dir, |
| fruit_build_dir=fruit_build_dir) |
| elif benchmark_name.startswith('boost_di_'): |
| benchmark_class = { |
| 'boost_di_compile_time': BoostDiCompileTimeBenchmark, |
| 'boost_di_incremental_compile_time': BoostDiIncrementalCompileTimeBenchmark, |
| 'boost_di_run_time': BoostDiRunTimeBenchmark, |
| 'boost_di_startup_time': BoostDiStartupTimeBenchmark, |
| 'boost_di_executable_size': BoostDiExecutableSizeBenchmark, |
| 'boost_di_executable_size_without_exceptions_and_rtti': BoostDiExecutableSizeBenchmarkWithoutExceptionsAndRtti, |
| }[benchmark_name] |
| benchmark = benchmark_class( |
| benchmark_definition=benchmark_definition, |
| boost_di_sources_dir=args.boost_di_sources_dir) |
| elif benchmark_name.startswith('simple_di_'): |
| benchmark_class = { |
| 'simple_di_compile_time': SimpleDiCompileTimeBenchmark, |
| 'simple_di_incremental_compile_time': SimpleDiIncrementalCompileTimeBenchmark, |
| 'simple_di_run_time': SimpleDiRunTimeBenchmark, |
| 'simple_di_startup_time': SimpleDiStartupTimeBenchmark, |
| 'simple_di_executable_size': SimpleDiExecutableSizeBenchmark, |
| 'simple_di_executable_size_without_exceptions_and_rtti': SimpleDiExecutableSizeBenchmarkWithoutExceptionsAndRtti, |
| 'simple_di_with_interfaces_compile_time': SimpleDiWithInterfacesCompileTimeBenchmark, |
| 'simple_di_with_interfaces_incremental_compile_time': SimpleDiWithInterfacesIncrementalCompileTimeBenchmark, |
| 'simple_di_with_interfaces_run_time': SimpleDiWithInterfacesRunTimeBenchmark, |
| 'simple_di_with_interfaces_startup_time': SimpleDiWithInterfacesStartupTimeBenchmark, |
| 'simple_di_with_interfaces_executable_size': SimpleDiWithInterfacesExecutableSizeBenchmark, |
| 'simple_di_with_interfaces_executable_size_without_exceptions_and_rtti': SimpleDiWithInterfacesExecutableSizeBenchmarkWithoutExceptionsAndRtti, |
| 'simple_di_with_interfaces_and_new_delete_compile_time': SimpleDiWithInterfacesAndNewDeleteCompileTimeBenchmark, |
| 'simple_di_with_interfaces_and_new_delete_incremental_compile_time': SimpleDiWithInterfacesAndNewDeleteIncrementalCompileTimeBenchmark, |
| 'simple_di_with_interfaces_and_new_delete_run_time': SimpleDiWithInterfacesAndNewDeleteRunTimeBenchmark, |
| 'simple_di_with_interfaces_and_new_delete_startup_time': SimpleDiWithInterfacesAndNewDeleteStartupTimeBenchmark, |
| 'simple_di_with_interfaces_and_new_delete_executable_size': SimpleDiWithInterfacesAndNewDeleteExecutableSizeBenchmark, |
| 'simple_di_with_interfaces_and_new_delete_executable_size_without_exceptions_and_rtti': SimpleDiWithInterfacesAndNewDeleteExecutableSizeBenchmarkWithoutExceptionsAndRtti, |
| }[benchmark_name] |
| benchmark = benchmark_class( |
| benchmark_definition=benchmark_definition) |
| else: |
| raise Exception("Unrecognized benchmark: %s" % benchmark_name) |
| |
| if benchmark.describe() in previous_run_completed_benchmarks: |
| print("Skipping benchmark that was already run previously (due to --continue-benchmark):", benchmark.describe()) |
| continue |
| |
| run_benchmark(benchmark, |
| output_file=args.output_file, |
| max_runs=global_definitions['max_runs'], |
| timeout_hours=global_definitions['max_hours_per_combination']) |
| |
| |
| if __name__ == "__main__": |
| main() |
