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Add num iterations option to the perf_compare internal tool #18275

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Merged
merged 1 commit into from
Dec 10, 2024
Merged

Add num iterations option to the perf_compare internal tool #18275

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13 changes: 10 additions & 3 deletions misc/perf_compare.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

Simple usage:

python misc/perf_compare.py my-branch master ...
python misc/perf_compare.py master my-branch ...

What this does:

Expand Down Expand Up @@ -78,10 +78,17 @@ def run_benchmark(compiled_dir: str, check_dir: str) -> float:

def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("commit", nargs="+")
parser.add_argument(
"-n",
metavar="NUM",
default=15,
type=int,
help="number of measurements to perform (default=15)",
)
parser.add_argument("commit", nargs="+", help="git revision to measure (e.g. branch name)")
args = parser.parse_args()
commits = args.commit
num_runs = 16
num_runs: int = args.n + 1

if not (os.path.isdir(".git") and os.path.isdir("mypyc")):
sys.exit("error: Run this the mypy repo root")
Expand Down
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