Add the FixedLengthQueue class, which is used to store a queue with a…

[glide-the]

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… fixed length and provides a method called contains_stop_sequence to check if the queue contains the given stop sequence.

The clear_torch_cache function is designed to clear GPU memory cache used by the PyTorch library. This can be helpful in reducing memory overhead and avoiding out-of-memory errors when working with large models or datasets.

fix stop_sequence