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import functools
import textwrap
import perf
IMPLEMENTATIONS = {
"c": """\
from multidict._multidict import istr
""",
"python": """\
from multidict._multidict_py import istr
""",
}
INIT = """\
val = istr('VaLuE')
"""
ISTR_TO_ISTR = """\
istr(val)
istr(val)
istr(val)
istr(val)
istr(val)
istr(val)
istr(val)
istr(val)
istr(val)
istr(val)
"""
def benchmark_name(name, ctx, prefix=None, use_prefix=False):
if use_prefix:
return "%s%s" % (prefix % ctx, name)
return name
def add_impl_option(cmd, args):
if args.impl:
cmd.extend(["--impl", args.impl])
if __name__ == "__main__":
runner = perf.Runner(add_cmdline_args=add_impl_option)
parser = runner.argparser
parser.description = "Allows to measure performance of " "istr implementations"
parser.add_argument(
"--impl",
choices=sorted(IMPLEMENTATIONS),
help="specific implementation to benchmark",
)
options = parser.parse_args()
implementations = (options.impl,) if options.impl else IMPLEMENTATIONS
for name in implementations:
imports = textwrap.dedent(IMPLEMENTATIONS[name])
name = functools.partial(
benchmark_name,
ctx=dict(impl=name),
prefix="(impl = %(impl)s) ",
use_prefix=len(implementations) > 1,
)
runner.timeit(name("istr->istr"), ISTR_TO_ISTR, imports + INIT, inner_loops=10)
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