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Compare pytest benchmarks
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| import json | |
| import pandas as pd | |
| from sys import argv, exit | |
| def benchmark_to_df(json_file): | |
| with open(json_file) as jf: | |
| content = json.load(jf) | |
| df = pd.DataFrame(columns=("test", "time [ms]")) | |
| for b in content["benchmarks"]: | |
| df = df.append({"test": b["name"], | |
| "time [ms]": b["stats"]["mean"]*1000.0}, | |
| ignore_index=True) | |
| return df | |
| if __name__ == "__main__": | |
| if len(argv) != 3: | |
| print("Usage: compare.py before.json after.json") | |
| exit(1) | |
| before = benchmark_to_df(argv[1]) | |
| after = benchmark_to_df(argv[2]) | |
| both = pd.merge(before, after, how="inner", on="test", | |
| suffixes=(" before", " after")) | |
| both["fraction"] = both.iloc[:, 1] / both.iloc[:, 2] | |
| print(both.sort("fraction")) | |
| exit(0) |
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