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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import json
import sys
def bench_data_as_dict(data):
return {d["fullname"]: d["stats"] for d in data["benchmarks"]}
def main(base_bench_path, pr_bench_path):
with open(base_bench_path) as f:
base_bench_data = bench_data_as_dict(json.load(f))
with open(pr_bench_path) as f:
pr_bench_data = bench_data_as_dict(json.load(f))
print("| Benchmark | Base | PR | Delta |")
print("| --------- | ---- | -- | ----- |")
for bench_name in sorted(base_bench_data):
# TODO: use better statistics than just comparing medians
base_result = base_bench_data[bench_name]["median"]
pr_result = pr_bench_data[bench_name]["median"]
if base_result == pr_result:
# PR and base are identical
delta = "--"
elif base_result > pr_result:
# PR is faster than base
delta = f"{100 - round(100 * pr_result / base_result)}% faster"
else:
delta = f"{100 - round(100 * base_result / pr_result)}% slower"
print(
f"| `{bench_name}` | {round(base_result * 1000 * 1000 * 1000, 2)} "
f"ns | {round(pr_result * 1000 * 1000 * 1000, 2)} ns | {delta} |"
)
if __name__ == "__main__":
main(*sys.argv[1:])
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