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Add additional gc benchmark with pickletools (#437) #438

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0147c02
Add additional gc benchmark with pickletools (#437)
pgdr Nov 3, 2025
634229c
Use TemporaryDirectory context manager
pgdr Nov 5, 2025
6e8f8f8
Get rid of files
pgdr Nov 12, 2025
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@pgdr
pgdr committed Nov 12, 2025
commit 6e8f8f8de4fe679596670c73eb98d7227f29b927
35 changes: 10 additions & 25 deletions pyperformance/data-files/benchmarks/bm_pickle_opt/run_benchmark.py
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Expand Up @@ -6,38 +6,23 @@

"""

import tempfile
from pathlib import Path
import pyperf
import pickle
import pickletools
import pyperf


def setup(fname, N):
x = {}
for i in range(1, N):
x[i] = f"ii{i:>07}"

with open(fname, "wb") as fh:
pickle.dump(x, fh, protocol=4)


def run(fname):
with open(fname, "rb") as fh:
p = fh.read()
def setup(N: int) -> bytes:
x = {i: f"ii{i:>07}" for i in range(N)}
return pickle.dumps(x, protocol=4)

s = pickletools.optimize(p)

with open(fname.with_suffix(".out"), "wb") as fh:
fh.write(s)
def run(p: bytes) -> None:
pickletools.optimize(p)


if __name__ == "__main__":
runner = pyperf.Runner()
N = 1_000_000
with tempfile.TemporaryDirectory() as tmp:
tmp_path = Path(tmp)
fname = tmp_path / "pickle"
setup(fname, N)
runner.metadata["description"] = "Pickletools optimize"
runner.bench_func("pickle_opt", run, fname)
runner.metadata["description"] = "Pickletools optimize"
N = 100_000
payload = setup(N)
runner.bench_func("pickle_opt", run, payload)
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