def benchmark_dataset(self, num_iter, warmup=5):
        """
        Benchmark the speed of taking raw samples from the dataset.
        """

        def loader():
            while True:
                for k in self.sampler:
                    yield self.dataset[k]

        self._benchmark(loader(), num_iter, warmup, "Dataset Alone")

        Benchmark the speed of taking raw samples from the dataset.
        
video_chat_with_ChatGPT/models/grit_src/third_party/CenterNet2/detectron2/data/benchmark.py