How to use prepare_benchmarks method in pytest-benchmark

Best Python code snippet using pytest-benchmark

session.py

Source:session.py

...84            config=self.config,85            machine_info=obj86        )87        return obj88    def prepare_benchmarks(self):89        for bench in self.benchmarks:90            if bench:91                compared = False92                for path, compared_mapping in self.compared_mapping.items():93                    if bench.fullname in compared_mapping:94                        compared = compared_mapping[bench.fullname]95                        source = short_filename(path, self.machine_id)96                        flat_bench = bench.as_dict(include_data=False, stats=False, cprofile=self.cprofile_sort_by)97                        flat_bench.update(compared["stats"])98                        flat_bench["path"] = str(path)99                        flat_bench["source"] = source100                        if self.compare_fail:101                            for check in self.compare_fail:102                                fail = check.fails(bench, flat_bench)103                                if fail:104                                    self.performance_regressions.append((self.name_format(flat_bench), fail))105                        yield flat_bench106                flat_bench = bench.as_dict(include_data=False, flat=True, cprofile=self.cprofile_sort_by)107                flat_bench["path"] = None108                flat_bench["source"] = compared and "NOW"109                yield flat_bench110    def save_json(self, output_json):111        with self.json as fh:112            fh.write(safe_dumps(output_json, ensure_ascii=True, indent=4).encode())113        self.logger.info("Wrote benchmark data in: %s" % self.json, purple=True)114    def handle_saving(self):115        save = self.save or self.autosave116        if save or self.json:117            if not self.benchmarks:118                self.logger.warn("Not saving anything, no benchmarks have been run!")119                return120            machine_info = self.get_machine_info()121            commit_info = self.config.hook.pytest_benchmark_generate_commit_info(config=self.config)122            self.config.hook.pytest_benchmark_update_commit_info(config=self.config, commit_info=commit_info)123        if self.json:124            output_json = self.config.hook.pytest_benchmark_generate_json(125                config=self.config,126                benchmarks=self.benchmarks,127                include_data=True,128                machine_info=machine_info,129                commit_info=commit_info,130            )131            self.config.hook.pytest_benchmark_update_json(132                config=self.config,133                benchmarks=self.benchmarks,134                output_json=output_json,135            )136            self.save_json(output_json)137        if save:138            output_json = self.config.hook.pytest_benchmark_generate_json(139                config=self.config,140                benchmarks=self.benchmarks,141                include_data=self.save_data,142                machine_info=machine_info,143                commit_info=commit_info,144            )145            self.config.hook.pytest_benchmark_update_json(146                config=self.config,147                benchmarks=self.benchmarks,148                output_json=output_json,149            )150            self.storage.save(output_json, save)151    def handle_loading(self):152        compared_mapping = {}153        if self.compare:154            if self.compare is True:155                compared_benchmarks = list(self.storage.load())[-1:]156            else:157                compared_benchmarks = list(self.storage.load(self.compare))158            if not compared_benchmarks:159                msg = "Can't compare. No benchmark files in %r" % str(self.storage)160                if self.compare is True:161                    msg += ". Can't load the previous benchmark."162                else:163                    msg += " match %r." % self.compare164                self.logger.warn(msg)165            machine_info = self.get_machine_info()166            for path, compared_benchmark in compared_benchmarks:167                self.config.hook.pytest_benchmark_compare_machine_info(168                    config=self.config,169                    benchmarksession=self,170                    machine_info=machine_info,171                    compared_benchmark=compared_benchmark,172                )173                compared_mapping[path] = dict(174                    (bench['fullname'], bench) for bench in compared_benchmark['benchmarks']175                )176                self.logger.info("Comparing against benchmarks from: %s" % path, newline=False)177        self.compared_mapping = compared_mapping178    def finish(self):179        self.handle_saving()180        prepared_benchmarks = list(self.prepare_benchmarks())181        if prepared_benchmarks:182            self.groups = self.config.hook.pytest_benchmark_group_stats(183                config=self.config,184                benchmarks=prepared_benchmarks,185                group_by=self.group_by186            )187    def display(self, tr):188        if not self.groups:189            return190        tr.ensure_newline()191        results_table = TableResults(192            columns=self.columns,193            sort=self.sort,194            histogram=self.histogram,...

PerfTest_c-compiler.py

Source:PerfTest_c-compiler.py

...26	27	compile_time_in_sec = float(m)*60 + float(s)28	29	return compile_time_in_sec30def prepare_benchmarks(root):31    items = os.listdir(root)32    for item in items:33        path = os.path.join(root, item)34        if os.path.isdir(path):35            prepare_benchmarks(path)36        elif os.path.splitext('%s'%path)[1] in extensions:37            Glob.benchmarks.append(path)38def parse_args():39	# Error handling40	if not len(sys.argv) == 4:41		42		print('Argument Error. '43			'Usage:\n\tpython %s <c_compiler_name> <benchmark_dir> <repeats>'44			'\t\t<c_compiler_name> Only Support gcc, g++, clang or clang++'45			'\t\t<benchmark_dir>   The root directory of benchmark files.'46			'\t\t<repeats>         How many times do you want to run repeatedly for a case.'47			%(sys.argv[0]))48		exit(1)49		50	elif sys.argv[1] not in {'gcc', 'g++', 'clang', 'clang++'}:51		52		print('Argument 1 Error. Only gcc, g++, clang, clang++ is supported.')53		exit(1)54	elif not os.path.exists(sys.argv[2]) or os.path.isfile(sys.argv[2]):55		print('Argument 2 Error. Please give a valid directory.')56		exit(1)57	58	# write user parameters59	Glob.c_compiler = sys.argv[1]60	Glob.benchmark_dir = sys.argv[2]61	Glob.REPEATS = int(sys.argv[3])62def main():63	parse_args()64	prepare_benchmarks(Glob.benchmark_dir)65	# the error log. When compilation fails, write messages to it.66	logfile = open('log.err', 'w')67	# statistic68	suc = 069	fail = 070	total = len(options) * len(Glob.benchmarks)71	cur = 072	# start performance testing.73	for j in range(0, len(Glob.benchmarks)):74		result_file = open('[Result]%s.txt'%Glob.benchmarks[j].split('/')[-1].split('.')[0], 'w')75		for i in range(0, len(options)):76			cur += 177			78			compile_times = []...

data.py

Source:data.py

...44            with io.open(filename, 'rU') as fh:45                trialmap[trial_name] = json.load(fh)46        yield mode, trialmap47@gen_dict  # {'mode': [{'test': min}...]}48def prepare_benchmarks(raw_benchmarks, trial_names):49    for mode, trialmap in raw_benchmarks.items():50        envlist = []51        for trial_name in trial_names:52            trial = trialmap.get(trial_name, {}).get('benchmarks', [])53            benchenv = dict((bench['fullname'], bench['stats'].get('min'))54                            for bench in trial)55            envlist.append(benchenv)56        yield mode, envlist57def load_benchmarks(bench_storage, modes):58    trial_names, benchmark_files, _ = ls_bench_storage(bench_storage, modes)59    return load_benchmarks_from_files(benchmark_files, trial_names)60def load_benchmarks_from_files(benchmark_files, trial_names):61    raw_benchmarks = load_raw_benchmarks(benchmark_files)62    benchmarks = prepare_benchmarks(raw_benchmarks, trial_names)...

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