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Merged
AlexWaygood merged 3 commits into from
Apr 27, 2023
Merged

Add a benchmark for runtime-checkable protocols #280

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b33d54f
Add a benchmark for runtime-checkable protocols
AlexWaygood Apr 25, 2023
04f7bbb
Address review
AlexWaygood Apr 25, 2023
7dfa6bd
Merge branch 'python:main' into runtime-protocols
AlexWaygood Apr 27, 2023
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Address review
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@AlexWaygood
AlexWaygood committed Apr 25, 2023
commit 04f7bbb9b8085fe8909cb085416e814474fec69f
44 changes: 15 additions & 29 deletions pyperformance/data-files/benchmarks/bm_typing_runtime_protocols/run_benchmark.py
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Original file line number Diff line number Diff line change
Expand Up @@ -149,38 +149,24 @@ def __init__(self):


def bench_protocols(loops: int) -> float:
instances = {
obj: obj()
for obj in globals().values()
if isinstance(obj, type) and not getattr(obj, "_is_protocol", False)
}
protocols = [
HasX, HasManyAttributes, SupportsInt, SupportsManyMethods, SupportsIntAndX
]
instances = [
cls()
for cls in (
Empty, PropertyX, HasIntMethod, HasManyMethods, PropertyXWithInt,
ClassVarX, ClassVarXWithInt, InstanceVarX, ManyInstanceVars,
InstanceVarXWithInt, NominalX, NominalSupportsInt, NominalXWithInt
)
]

t0 = time.perf_counter()

for cls in Empty, PropertyX, InstanceVarX, NominalX:
instance = instances[cls]
for _ in range(loops):
isinstance(instance, HasX)

for cls in Empty, ManyInstanceVars:
instance = instances[cls]
for _ in range(loops):
isinstance(instance, HasManyAttributes)

for cls in Empty, HasIntMethod, NominalSupportsInt:
instance = instances[cls]
for _ in range(loops):
isinstance(instance, SupportsInt)

for cls in Empty, HasManyMethods:
instance = instances[cls]
for _ in range(loops):
isinstance(instance, SupportsManyMethods)

for cls in Empty, PropertyXWithInt, InstanceVarXWithInt, NominalXWithInt:
instance = instances[cls]
for _ in range(loops):
isinstance(instance, SupportsIntAndX)
for _ in range(loops):
for protocol in protocols:
for instance in instances:
isinstance(instance, protocol)

return time.perf_counter() - t0

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