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2026-08-12 04:47:48 -04:00

549 lines
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Python
Executable File

#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2020-2023 Blender Authors
#
# SPDX-License-Identifier: Apache-2.0
"""
The main entry point to running benchmark tests.
See https://developer.blender.org/docs/handbook/testing/performance/
for a general introduction to the topic.
"""
import api
import argparse
import fnmatch
import glob
import logging
import pathlib
import shutil
import sys
def find_blender_git_dir() -> pathlib.Path:
# Find .git directory of the repository we are in.
cwd = pathlib.Path.cwd()
for path in [cwd] + list(cwd.parents):
if (path / '.git').exists():
return path
return None
def get_tests_base_dir(blender_git_dir: pathlib.Path) -> pathlib.Path:
# Benchmarks dir is next to the Blender source folder.
return blender_git_dir.parent / 'benchmark'
def use_revision_columns(config: api.TestConfig) -> bool:
return (
config.benchmark_type == "comparison" and
len(config.queue.entries) > 0
)
def init_table(config: api.TestConfig) -> api.MarkdownTable:
table = api.MarkdownTable()
table.add_column("Revision")
table.add_column("Category", is_visible=config.queue.has_multiple_categories)
table.add_column("Device", is_visible=config.queue.has_multiple_devices)
table.add_column("Test", width=40)
if use_revision_columns(config):
for revision_name in config.revision_names():
table.add_column(revision_name, width=20, alignment='RIGHT')
table.columns[0].is_visible = False
else:
table.add_column("Result", width=20, alignment='RIGHT')
return table
def print_row(table: api.MarkdownTable, entries: list, end='\n') -> None:
# Print one or more test entries on a row.
row = []
# For time series, revision is printed first.
row.append(entries[0].revision)
row.append(entries[0].category)
row.append(api.normalize_device_id(entries[0].device_id))
row.append(entries[0].test)
for entry in entries:
# Show time or status.
status = entry.status
output = entry.output
result = ''
if status in {'done', 'outdated'} and output:
if 'time' in output:
result = '%7.4f s' % output['time']
elif 'fps' in output:
result = '%8.3f fps' % output['fps']
if status == 'outdated':
result += " (outdated)"
elif status == 'failed':
result = "failed: " + entry.error_msg
else:
result = status
row.append(result)
table.print_row(row, end=end)
def print_entry(table: api.MarkdownTable, entry: api.TestEntry) -> None:
# Print a single test entry, potentially on multiple lines, with more details than in `print_row`.
# NOTE: Currently only used to print detailed error info.
print_row(table, [entry])
if entry.status != 'failed':
return
if not entry.exception_msg:
return
print(entry.exception_msg, flush=True)
def match_entry(entry: api.TestEntry, args: argparse.Namespace):
# Filter tests by name and category.
return (
fnmatch.fnmatch(entry.test, args.test) or
fnmatch.fnmatch(entry.category, args.test) or
entry.test.find(args.test) != -1 or
entry.category.find(args.test) != -1
)
def run_entry(env: api.TestEnvironment,
config: api.TestConfig,
table: api.MarkdownTable,
row: list,
entry: api.TestEntry,
update_only: bool,
count: int,
update_submodules: bool = True):
updated = False
failed = False
# Check if entry needs to be run.
if update_only and entry.status not in {'queued', 'outdated'}:
print_row(table, row, end='\r')
return updated, failed
# Run test entry.
revision = entry.revision
git_hash = entry.git_hash
environment = entry.environment
testname = entry.test
testcategory = entry.category
device_type = entry.device_type
device_id = entry.device_id
gpu_backend = {
'VULKAN': 'vulkan',
'METAL': 'metal',
'OPENGL': 'opengl'
}.get(device_type, 'default')
test = config.tests.find(testname, testcategory)
if not test:
return updated, failed
updated = True
# Log all output to dedicated log file.
logname = testcategory + '_' + testname + '_' + device_id + '_' + revision
env.set_log_file(config.logs_dir / (logname + '.log'), clear=True)
# Clear output
entry.output = None
entry.error_msg = ''
# Build revision, or just set path to existing executable.
executable_ok = True
if len(entry.executable):
env.set_blender_executable(pathlib.Path(entry.executable), environment)
else:
entry.status = 'building'
print_row(table, row, end='\r')
if config.benchmark_type == "comparison":
install_dir = config.builds_dir / revision
else:
install_dir = env.install_dir
executable_ok = env.build(git_hash, install_dir, update_submodules)
if not executable_ok:
entry.status = 'failed'
entry.error_msg = 'Failed to build'
failed = True
else:
env.set_blender_executable(install_dir, environment)
# Run test and update output and status.
if executable_ok:
run_outputs = []
for run in range(count):
entry.status = 'running' if count == 1 else f'run [{run + 1}/{count}]'
print_row(table, row, end='\r')
try:
output = test.run(env, device_id, gpu_backend)
if not output:
raise Exception("Test produced no output")
run_outputs.append(output)
entry.status = 'done'
except KeyboardInterrupt as e:
raise e
except Exception as e:
failed = True
entry.status = 'failed'
entry.error_msg = 'Failed to run'
entry.exception_msg = str(e)
break
if entry.status == 'done' and run_outputs:
# Combine results from runs
keys = set()
for run_output in run_outputs:
keys |= run_output.keys()
output = {}
output_all_runs = {}
for key in keys:
values = []
for run_output in run_outputs:
if key not in run_output:
continue
values.append(run_output[key])
output[key] = sum(values) / len(values)
output_all_runs[key] = values
entry.output = output
entry.output_all_runs = output_all_runs
print_row(table, row, end='\r')
# Update device name in case the device changed since the entry was created.
entry.device_name = config.device_name(device_id)
# Restore default logging and Blender executable.
env.unset_log_file()
env.set_default_blender_executable()
return updated, failed
def cmd_init(env: api.TestEnvironment, argv: list):
# Initialize benchmarks folder.
parser = argparse.ArgumentParser()
parser.add_argument('--build', default=False, action='store_true')
parser.add_argument('--blender')
args = parser.parse_args(argv)
env.set_log_file(env.base_dir / 'setup.log', clear=False)
env.init(args.build, args.blender)
env.unset_log_file()
def cmd_list(env: api.TestEnvironment, argv: list) -> None:
# List devices, tests and configurations.
print('DEVICES')
machine = env.get_machine()
for device in machine.devices:
name = f"{device.name} ({device.operating_system})"
print(f"{device.id: <15} {name}")
print('')
print('TESTS')
collection = api.TestCollection(env)
for test in collection.tests:
print(f"{test.category(): <15} {test.name(): <50}")
print('')
print('CONFIGS')
configs = env.get_config_names()
for config_name in configs:
print(config_name)
def cmd_status(env: api.TestEnvironment, argv: list):
# Print status of tests in configurations.
parser = argparse.ArgumentParser()
parser.add_argument('config', nargs='?', default=None)
parser.add_argument('test', nargs='?', default='*')
args = parser.parse_args(argv)
configs = env.get_configs(args.config)
first = True
for config in configs:
if not args.config:
if first:
first = False
else:
print("")
print(config.name.upper())
table = init_table(config)
table.print_header()
for row in config.queue.rows(use_revision_columns(config)):
if match_entry(row[0], args):
print_row(table, row)
def cmd_reset(env: api.TestEnvironment, argv: list):
# Reset tests to re-run them.
parser = argparse.ArgumentParser()
parser.add_argument('config', nargs='?', default=None)
parser.add_argument('test', nargs='?', default='*')
args = parser.parse_args(argv)
configs = env.get_configs(args.config)
for config in configs:
table = init_table(config)
table.print_header()
for row in config.queue.rows(use_revision_columns(config)):
if match_entry(row[0], args):
for entry in row:
entry.status = 'queued'
entry.result = {}
print_row(table, row)
config.queue.write()
if args.test == '*':
shutil.rmtree(config.logs_dir)
def cmd_run(env: api.TestEnvironment, argv: list, update_only: bool):
# Run tests.
parser = argparse.ArgumentParser()
parser.add_argument('config', nargs='?', default=None)
parser.add_argument('test', nargs='?', default='*')
parser.add_argument('--count', default=1, type=int, help="Number of runs to perform (default=1)")
parser.add_argument(
'--no-submodules',
action='store_true',
help="Skip updating submodules when checking out revisions. Useful when testing performance regressions for library changes.")
args = parser.parse_args(argv)
exit_code = 0
configs = env.get_configs(args.config)
for config in configs:
updated = False
cancel = False
table = init_table(config)
table.print_header()
for row in config.queue.rows(use_revision_columns(config)):
if match_entry(row[0], args):
for entry in row:
try:
test_updated, test_failed = run_entry(
env, config, table, row, entry, update_only, args.count, not args.no_submodules)
if test_updated:
updated = True
# Write queue every time in case running gets interrupted,
# so it can be resumed.
config.queue.write()
if test_failed:
exit_code = 1
print_entry(table, entry)
except KeyboardInterrupt as e:
cancel = True
break
print_row(table, row)
if cancel:
break
if updated:
# Generate graph if test were run.
json_filepath = config.base_dir / "results.json"
html_filepath = config.base_dir / "results.html"
graph = api.TestGraph([json_filepath])
graph.write(html_filepath)
print("\nfile://" + str(html_filepath))
sys.exit(exit_code)
def cmd_bisect(env: api.TestEnvironment, argv: list):
import datetime
SECONDS_PER_DAY = 86400
parser = argparse.ArgumentParser(prog='benchmark.py bisect')
parser.add_argument('--device', required=True,
help='Device type or ID to run tests on')
parser.add_argument('--category', required=True,
help='Test category (e.g. eevee, cycles)')
parser.add_argument('--test', required=True,
help='Test name (supports glob patterns)')
parser.add_argument('--attribute', required=True,
help='Performance attribute to compare (e.g. fps, time)')
parser.add_argument('--threshold', required=True, type=float,
help='Threshold value for pass/fail decision')
parser.add_argument('--success', required=True, choices=['greater_than', 'less_than'],
help='Whether higher or lower values are considered a success')
parser.add_argument('--range', required=True,
help='Date range in YYYYMMDD-YYYYMMDD format')
parser.add_argument('--count', default=1, type=int,
help='Number of benchmark runs per commit (default=1)')
args = parser.parse_args(argv)
if not env.build_dir.exists() or not env.blender_dir.exists():
sys.stderr.write('Error: benchmark build not initialized. Run "benchmark.py init --build" first.\n')
sys.exit(1)
try:
start_str, end_str = args.range.split('-')
start_dt = datetime.datetime.strptime(start_str, '%Y%m%d').replace(tzinfo=datetime.timezone.utc)
end_dt = datetime.datetime.strptime(end_str, '%Y%m%d').replace(tzinfo=datetime.timezone.utc)
except:
sys.stderr.write('Error: invalid date range format. Use YYYYMMDD-YYYYMMDD\n')
sys.exit(1)
if start_dt >= end_dt:
sys.stderr.write(f'Error: invalid date range {start_str} must be before {end_str}\n')
sys.exit(1)
collection = api.TestCollection(env, [args.test], [args.category])
test = collection.find(args.test, args.category)
if not test:
sys.stderr.write(f'Error: test not found: {args.category}/{args.test}\n')
sys.exit(1)
device_id, gpu_backend = env.resolve_device(args.device)
print(f"Device: {args.device}")
print(f"Category: {args.category}")
print(f"Test: {args.test}")
print()
table = api.MarkdownTable()
table.add_column("Remaining", width=5, alignment='RIGHT')
table.add_column("Commit", width=14)
table.add_column("Date (UTC)", width=22)
table.add_column("Title", width=72)
table.add_column(args.attribute, width=14, alignment='RIGHT')
table.add_column("Status", width=8)
table.print_header()
tested = set()
def print_status(row_values, end='\n'):
table.print_row([str(progress.remaining)] + row_values, end=end)
def run_commit_wrapper(commit_hash, commit_ts):
return api.Bisect.run_commit(
env, test, device_id, gpu_backend, args.count, args.attribute,
args.success, args.threshold, tested,
print_status, commit_hash, commit_ts)
# Phase 1: Daily scan
start_ts = int(start_dt.timestamp())
end_ts = int(end_dt.timestamp()) + SECONDS_PER_DAY
progress = api.bisect.BisectProgress()
env.set_log_file(env.base_dir / 'bisect.log', clear=True)
bisect = api.bisect.Bisect(env, run_commit_wrapper, start_ts, end_ts)
bisect.run(progress=progress)
env.unset_log_file()
if bisect.first_bad is None:
print('\nNo regression found in the given date range.')
return
title = env.commit_title(bisect.first_bad).replace('`', '\'')
print(f'\nRegression introduced by commit `{bisect.first_bad}`: `{title}`')
def cmd_graph(argv: list):
# Create graph from a given JSON results file.
parser = argparse.ArgumentParser()
parser.add_argument('json_file', nargs='+')
parser.add_argument('-o', '--output', type=str, required=True)
args = parser.parse_args(argv)
# For directories, use all json files in the directory.
json_files = []
for path in args.json_file:
path = pathlib.Path(path)
if path.is_dir():
for filepath in glob.iglob(str(path / '*.json')):
json_files.append(pathlib.Path(filepath))
else:
json_files.append(path)
graph = api.TestGraph(json_files)
graph.write(pathlib.Path(args.output))
def main():
logging.basicConfig()
usage = ('benchmark <command> [<args>]\n'
'\n'
'Commands:\n'
' init [--build] Init benchmarks directory and default config\n'
' Optionally with automated revision building setup\n'
' \n'
' list List available tests, devices and configurations\n'
' \n'
' run [<config>] [<test>] Execute all tests in configuration\n'
' update [<config>] [<test>] Execute only queued and outdated tests\n'
' reset [<config>] [<test>] Clear tests results in configuration\n'
' status [<config>] [<test>] List configurations and their tests\n'
' \n'
' graph a.json b.json... -o out.html Create graph from results in JSON files\n'
' \n'
' bisect Find commit that introduced a regression'
' between dates\n')
parser = argparse.ArgumentParser(
description='Blender performance testing',
usage=usage)
parser.add_argument('command', nargs='?', default='help')
args = parser.parse_args(sys.argv[1:2])
argv = sys.argv[2:]
blender_git_dir = find_blender_git_dir()
if blender_git_dir is None:
sys.stderr.write('Error: no blender git repository found from current working directory\n')
sys.exit(1)
if args.command == 'graph':
cmd_graph(argv)
sys.exit(0)
base_dir = get_tests_base_dir(blender_git_dir)
env = api.TestEnvironment(blender_git_dir, base_dir)
if args.command == 'init':
cmd_init(env, argv)
sys.exit(0)
if not env.base_dir.exists():
sys.stderr.write(
'Error: benchmark directory not initialized. '
'Run the \"init\" command to create the directory and a default configuration.\n')
sys.exit(1)
if args.command == 'list':
cmd_list(env, argv)
elif args.command == 'run':
cmd_run(env, argv, update_only=False)
elif args.command == 'update':
cmd_run(env, argv, update_only=True)
elif args.command == 'reset':
cmd_reset(env, argv)
elif args.command == 'bisect':
cmd_bisect(env, argv)
elif args.command == 'status':
cmd_status(env, argv)
elif args.command == 'help':
parser.print_usage()
else:
sys.stderr.write(f'Unknown command: {args.command}\n')
if __name__ == '__main__':
main()