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# Simple benchmarking framework
#
# Copyright (c) 2019 Virtuozzo International GmbH.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import math
def format_value(x, stdev):
stdev_pr = stdev / x * 100
if stdev_pr < 1.5:
# don't care too much
return f'{x:.2g}'
else:
return f'{x:.2g} ± {math.ceil(stdev_pr)}%'
def result_to_text(result):
"""Return text representation of bench_one() returned dict."""
if 'average' in result:
s = format_value(result['average'], result['stdev'])
if 'n-failed' in result:
s += '\n({} failed)'.format(result['n-failed'])
return s
else:
return 'FAILED'
def results_to_text(results):
"""Return text representation of bench() returned dict."""
from tabulate import tabulate
dim = None
tab = [[""] + [c['id'] for c in results['envs']]]
for case in results['cases']:
row = [case['id']]
for env in results['envs']:
res = results['tab'][case['id']][env['id']]
if dim is None:
dim = res['dimension']
else:
assert dim == res['dimension']
row.append(result_to_text(res))
tab.append(row)
return f'All results are in {dim}\n\n' + tabulate(tab)
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