def load_results(self) -> dict[ResultKey, list[float]]:
        """Load results from the JSON file if it exists."""
        if self.results_file.exists():
            with self.results_file.open("r", encoding="utf-8") as f:
                data: dict[str, list[float]] = json.load(f)
            return {
                (k.split()[0], k.split()[1], k.split()[2]): v for k, v in data.items()
            }
        return {}
Load results from the JSON file if it exists.
benchmark/benchmark.py