Duplicate from m-a-p/MusiLingo-long-v1

Co-authored-by: Yinghao Ma <[email protected]>

.gitattributes

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README.md

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+---
+language:
+- en
+license: cc-by-4.0
+tags:
+- music
+- art
+---
+# Model Card for Model ID
+## Model Details
+### Model Description
+The model consists of a music encoder ```MERT-v1-300M```, a natural language decoder ```vicuna-7b-delta-v0```, and a linear projection laer between the two.
+
+This checkpoint of MusiLingo is developed on the MusicInstruct (MI)-long and can answer long instructions with music raw audio, such as querying about the subjective feelings etc.
+You can use the [MI](https://huggingface.co/datasets/m-a-p/Music-Instruct) dataset for the following demo 
+
+
+### Model Sources [optional]
+- **Repository:** [GitHub repo](https://github.com/zihaod/MusiLingo)
+- **Paper [optional]:** __[MusiLingo: Bridging Music and Text with Pre-trained Language Models for Music Captioning and Query Response](https://arxiv.org/abs/2309.08730)__
+<!-- - **Demo [optional]:** [More Information Needed] -->
+
+
+
+## Getting Start
+```
+from tqdm.auto import tqdm
+
+import torch
+from torch.utils.data import DataLoader
+from transformers import Wav2Vec2FeatureExtractor
+from transformers import StoppingCriteria, StoppingCriteriaList
+
+
+
+class StoppingCriteriaSub(StoppingCriteria):
+    def __init__(self, stops=[], encounters=1):
+        super().__init__()
+        self.stops = stops
+    def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor):
+        for stop in self.stops:
+            if torch.all((stop == input_ids[0][-len(stop):])).item():
+                return True
+        return False
+
+
+class StoppingCriteriaSub(StoppingCriteria):
+    def __init__(self, stops=[], encounters=1):
+        super().__init__()
+        self.stops = stops
+    def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor):
+        for stop in self.stops:
+            if torch.all((stop == input_ids[0][-len(stop):])).item():
+                return True
+        return False
+
+def get_musilingo_pred(model, text, audio_path, stopping, length_penalty=1, temperature=0.1,
+    max_new_tokens=300, num_beams=1, min_length=1, top_p=0.5, repetition_penalty=1.0):
+
+    # see https://huggingface.co/m-a-p/MusiLingo-musicqa-v1 for load_audio function definition
+    audio = load_audio(audio_path, target_sr=24000,
+                        is_mono=True,
+                        is_normalize=False,
+                        crop_to_length_in_sample_points=int(30*16000)+1,
+                        crop_randomly=True, 
+                        pad=False).cuda()    
+    processor = Wav2Vec2FeatureExtractor.from_pretrained("m-a-p/MERT-v1-330M",trust_remote_code=True) 
+    audio = processor(audio, 
+                    sampling_rate=24000, 
+                    return_tensors="pt")['input_values'][0].cuda() 
+        
+    audio_embeds, atts_audio = model.encode_audio(audio)
+        
+    prompt = '<Audio><AudioHere></Audio> ' + text
+    instruction_prompt = [model.prompt_template.format(prompt)]
+    audio_embeds, atts_audio = model.instruction_prompt_wrap(audio_embeds, atts_audio, instruction_prompt)
+    
+    model.llama_tokenizer.padding_side = "right"
+    batch_size = audio_embeds.shape[0]
+    bos = torch.ones([batch_size, 1],
+                    dtype=torch.long,
+                    device=torch.device('cuda')) * model.llama_tokenizer.bos_token_id
+    bos_embeds = model.llama_model.model.embed_tokens(bos)
+    # atts_bos = atts_audio[:, :1]
+    inputs_embeds = torch.cat([bos_embeds, audio_embeds], dim=1)
+    # attention_mask = torch.cat([atts_bos, atts_audio], dim=1)
+    outputs = model.llama_model.generate(
+        inputs_embeds=inputs_embeds,
+        max_new_tokens=max_new_tokens,
+        stopping_criteria=stopping,
+        num_beams=num_beams,
+        do_sample=True,
+        min_length=min_length,
+        top_p=top_p,
+        repetition_penalty=repetition_penalty,
+        length_penalty=length_penalty,
+        temperature=temperature,
+    )
+    output_token = outputs[0]
+    if output_token[0] == 0:  # the model might output a unknow token <unk> at the beginning. remove it
+        output_token = output_token[1:]
+    if output_token[0] == 1:  # if there is a start token <s> at the beginning. remove it
+        output_token = output_token[1:]
+    output_text = model.llama_tokenizer.decode(output_token, add_special_tokens=False)
+    output_text = output_text.split('###')[0]  # remove the stop sign '###'
+    output_text = output_text.split('Assistant:')[-1].strip()
+    return output_text
+
+musilingo = AutoModel.from_pretrained("m-a-p/MusiLingo-long-v1", trust_remote_code=True)
+musilingo.to("cuda")
+musilingo.eval()
+
+prompt = "this is the task instruction and input question for MusiLingo model"
+audio = "/path/to/the/audio"
+stopping = StoppingCriteriaList([StoppingCriteriaSub([torch.tensor([835]).cuda(),
+                                  torch.tensor([2277, 29937]).cuda()])])
+response = get_musilingo_pred(musilingo.model, prompt, audio_path, stopping, length_penalty=100, temperature=0.1)
+        
+```
+
+# Citing This Work
+
+If you find the work useful for your research, please consider citing it using the following BibTeX entry:
+```
+@inproceedings{deng2024musilingo,
+  title={MusiLingo: Bridging Music and Text with Pre-trained Language Models for Music Captioning and Query Response},
+  author={Deng, Zihao and Ma, Yinghao and Liu, Yudong and Guo, Rongchen and Zhang, Ge and Chen, Wenhu and Huang, Wenhao and Benetos, Emmanouil},
+  booktitle={Proceedings of the 2024 Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2024)},
+  year={2024},
+  organization={Association for Computational Linguistics}
+}
+```

config.json

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+{
+  "architectures": [
+    "MusilingoModel"
+  ],
+  "auto_map": {
+    "AutoConfig": "configuration_musilingo.MusiLingoConfig",
+    "AutoModel": "modelling_musilingo.MusilingoModel"
+  },
+  "bos_token_id": 1,
+  "device_8bit": 0,
+  "end_sym": "\n",
+  "eos_token_id": 2,
+  "hidden_act": "silu",
+  "hidden_size": 4096,
+  "initializer_range": 0.02,
+  "intermediate_size": 11008,
+  "llama_model": "lmsys/vicuna-7b-delta-v0",
+  "low_resource": false,
+  "max_position_embeddings": 2048,
+  "max_txt_len": 32,
+  "mert_model": "m-a-p/MERT-v1-330M",
+  "model_type": "musilingo",
+  "num_attention_heads": 32,
+  "num_hidden_layers": 32,
+  "pad_token_id": 0,
+  "prompt_path": "",
+  "prompt_template": "###Human: {} ###Assistant: ",
+  "rms_norm_eps": 1e-06,
+  "tie_word_embeddings": false,
+  "torch_dtype": "float32",
+  "transformers_version": "4.39.3",
+  "use_cache": true,
+  "vocab_size": 32001
+}

configuration_musilingo.py

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+from transformers import PretrainedConfig
+
+
+PATH = "."
+
+class MusiLingoConfig(PretrainedConfig):
+    model_type = "musilingo"
+    is_encoder_decoder = True
+    def __init__(self, 
+                    mert_model = "m-a-p/MERT-v1-330M",
+                    llama_model = f'lmsys/vicuna-7b-delta-v0',
+                    prompt_path = "",
+                    prompt_template = '###Human: {} ###Assistant: ',
+                max_txt_len = 32,
+                end_sym = '\n',
+                low_resource = False,
+                device_8bit = 0,
+                # linear_ckpt_path = "",
+                    **kwargs):
+        self.mert_model = mert_model
+        self.llama_model = llama_model
+        self.prompt_path = prompt_path
+        self.prompt_template = prompt_template
+        self.max_txt_len = max_txt_len
+        self.end_sym = end_sym
+        self.low_resource = low_resource
+        self.device_8bit = device_8bit
+        # self.linear_ckpt_path = linear_ckpt_path
+        super().__init__(**kwargs)

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+  }
+}

modelling_musilingo.py

@@ -0,0 +1,2275 @@
+import logging
+import os
+import random
+import math
+import re
+import shutil
+import warnings
+import datetime
+import time
+from collections import defaultdict, deque
+from typing import List, Optional, Tuple, Union
+
+from torch.cuda.amp import autocast as autocast
+import torch
+import torch.distributed as dist
+import torch.nn as nn
+import torch.utils.checkpoint
+from torch.nn import CrossEntropyLoss
+from transformers import Wav2Vec2FeatureExtractor
+from omegaconf import OmegaConf
+
+from .configuration_musilingo import MusiLingoConfig, PATH
+import timm.models.hub as timm_hub
+
+
+from transformers import LlamaTokenizer, Wav2Vec2FeatureExtractor, AutoModel
+from transformers.activations import ACT2FN
+from transformers.modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
+from transformers.modeling_utils import PreTrainedModel
+from transformers.utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
+from transformers.models.llama.configuration_llama import LlamaConfig
+from transformers import PreTrainedModel
+
+
+
+def download_url(
+    url: str, root: str, filename: Optional[str] = None, md5: Optional[str] = None, max_redirect_hops: int = 3
+) -> None:
+    """Download a file from a url and place it in root.
+
+    Args:
+        url (str): URL to download file from
+        root (str): Directory to place downloaded file in
+        filename (str, optional): Name to save the file under. If None, use the basename of the URL
+        md5 (str, optional): MD5 checksum of the download. If None, do not check
+        max_redirect_hops (int, optional): Maximum number of redirect hops allowed
+    """
+    root = os.path.expanduser(root)
+    if not filename:
+        filename = os.path.basename(url)
+    fpath = os.path.join(root, filename)
+
+    os.makedirs(root, exist_ok=True)
+
+    # check if file is already present locally
+    if check_integrity(fpath, md5):
+        print("Using downloaded and verified file: " + fpath)
+        return
+
+    if _is_remote_location_available():
+        _download_file_from_remote_location(fpath, url)
+    else:
+        # expand redirect chain if needed
+        url = _get_redirect_url(url, max_hops=max_redirect_hops)
+
+        # check if file is located on Google Drive
+        file_id = _get_google_drive_file_id(url)
+        if file_id is not None:
+            return download_file_from_google_drive(file_id, root, filename, md5)
+
+        # download the file
+        try:
+            print("Downloading " + url + " to " + fpath)
+            _urlretrieve(url, fpath)
+        except (urllib.error.URLError, OSError) as e:  # type: ignore[attr-defined]
+            if url[:5] == "https":
+                url = url.replace("https:", "http:")
+                print("Failed download. Trying https -> http instead. Downloading " + url + " to " + fpath)
+                _urlretrieve(url, fpath)
+            else:
+                raise e
+
+    # check integrity of downloaded file
+    if not check_integrity(fpath, md5):
+        raise RuntimeError("File not found or corrupted.")
+
+
+
+def load_dataset_config(cfg_path):
+    cfg = OmegaConf.load(cfg_path).datasets
+    cfg = cfg[list(cfg.keys())[0]]
+
+    return cfg
+
+class SmoothedValue(object):
+    """Track a series of values and provide access to smoothed values over a
+    window or the global series average.
+    """
+
+    def __init__(self, window_size=20, fmt=None):
+        if fmt is None:
+            fmt = "{median:.4f} ({global_avg:.4f})"
+        self.deque = deque(maxlen=window_size)
+        self.total = 0.0
+        self.count = 0
+        self.fmt = fmt
+
+    def update(self, value, n=1):
+        self.deque.append(value)
+        self.count += n
+        self.total += value * n
+
+    def synchronize_between_processes(self):
+        """
+        Warning: does not synchronize the deque!
+        """
+        if not is_dist_avail_and_initialized():
+            return
+        t = torch.tensor([self.count, self.total], dtype=torch.float64, device="cuda")
+        dist.barrier()
+        dist.all_reduce(t)
+        t = t.tolist()
+        self.count = int(t[0])
+        self.total = t[1]
+
+    @property
+    def median(self):
+        d = torch.tensor(list(self.deque))
+        return d.median().item()
+
+    @property
+    def avg(self):
+        d = torch.tensor(list(self.deque), dtype=torch.float32)
+        return d.mean().item()
+
+    @property
+    def global_avg(self):
+        return self.total / self.count
+
+    @property
+    def max(self):
+        return max(self.deque)
+
+    @property
+    def value(self):
+        return self.deque[-1]
+
+    def __str__(self):
+        return self.fmt.format(
+            median=self.median,
+            avg=self.avg,
+            global_avg=self.global_avg,
+            max=self.max,
+            value=self.value,
+        )
+
+
+class MetricLogger(object):
+    def __init__(self, delimiter="\t"):
+        self.meters = defaultdict(SmoothedValue)
+        self.delimiter = delimiter
+
+    def update(self, **kwargs):
+        for k, v in kwargs.items():
+            if isinstance(v, torch.Tensor):
+                v = v.item()
+            assert isinstance(v, (float, int))
+            self.meters[k].update(v)
+
+    def __getattr__(self, attr):
+        if attr in self.meters:
+            return self.meters[attr]
+        if attr in self.__dict__:
+            return self.__dict__[attr]
+        raise AttributeError(
+            "'{}' object has no attribute '{}'".format(type(self).__name__, attr)
+        )
+
+    def __str__(self):
+        loss_str = []
+        for name, meter in self.meters.items():
+            loss_str.append("{}: {}".format(name, str(meter)))
+        return self.delimiter.join(loss_str)
+
+    def global_avg(self):
+        loss_str = []
+        for name, meter in self.meters.items():
+            loss_str.append("{}: {:.4f}".format(name, meter.global_avg))
+        return self.delimiter.join(loss_str)
+
+    def synchronize_between_processes(self):
+        for meter in self.meters.values():
+            meter.synchronize_between_processes()
+
+    def add_meter(self, name, meter):
+        self.meters[name] = meter
+
+    def log_every(self, iterable, print_freq, header=None):
+        i = 0
+        if not header:
+            header = ""
+        start_time = time.time()
+        end = time.time()
+        iter_time = SmoothedValue(fmt="{avg:.4f}")
+        data_time = SmoothedValue(fmt="{avg:.4f}")
+        space_fmt = ":" + str(len(str(len(iterable)))) + "d"
+        log_msg = [
+            header,
+            "[{0" + space_fmt + "}/{1}]",
+            "eta: {eta}",
+            "{meters}",
+            "time: {time}",
+            "data: {data}",
+        ]
+        if torch.cuda.is_available():
+            log_msg.append("max mem: {memory:.0f}")
+        log_msg = self.delimiter.join(log_msg)
+        MB = 1024.0 * 1024.0
+        for obj in iterable:
+            data_time.update(time.time() - end)
+            yield obj
+            iter_time.update(time.time() - end)
+            if i % print_freq == 0 or i == len(iterable) - 1:
+                eta_seconds = iter_time.global_avg * (len(iterable) - i)
+                eta_string = str(datetime.timedelta(seconds=int(eta_seconds)))
+                if torch.cuda.is_available():
+                    print(
+                        log_msg.format(
+                            i,
+                            len(iterable),
+                            eta=eta_string,
+                            meters=str(self),
+                            time=str(iter_time),
+                            data=str(data_time),
+                            memory=torch.cuda.max_memory_allocated() / MB,
+                        )
+                    )
+                else:
+                    print(
+                        log_msg.format(
+                            i,
+                            len(iterable),
+                            eta=eta_string,
+                            meters=str(self),
+                            time=str(iter_time),
+                            data=str(data_time),
+                        )
+                    )
+            i += 1
+            end = time.time()
+        total_time = time.time() - start_time
+        total_time_str = str(datetime.timedelta(seconds=int(total_time)))
+        print(
+            "{} Total time: {} ({:.4f} s / it)".format(
+                header, total_time_str, total_time / len(iterable)
+            )
+        )
+
+
+def move_to_cuda(sample):
+    def _move_to_cuda(tensor):
+        return tensor.cuda()
+
+    return apply_to_sample(_move_to_cuda, sample)
+
+def apply_to_sample(f, sample):
+    if len(sample) == 0:
+        return {}
+
+    def _apply(x):
+        if torch.is_tensor(x):
+            return f(x)
+        elif isinstance(x, dict):
+            return {key: _apply(value) for key, value in x.items()}
+        elif isinstance(x, list):
+            return [_apply(x) for x in x]
+        else:
+            return x
+
+    return _apply(sample)
+
+def prepare_sample(samples, cuda_enabled=True):
+    if cuda_enabled:
+        samples = move_to_cuda(samples)
+
+    # TODO fp16 support
+
+    return samples
+
+def get_world_size():
+    if not is_dist_avail_and_initialized():
+        return 1
+    return dist.get_world_size()
+
+class BaseTask:
+    def __init__(self, **kwargs):
+        super().__init__()
+
+        self.inst_id_key = "instance_id"
+
+    @classmethod
+    def setup_task(cls, **kwargs):
+        return cls()
+
+    def build_model(self, cfg):
+        model_config = cfg.model_cfg
+
+        model_cls = registry.get_model_class(model_config.arch)
+        return model_cls.from_config(model_config)
+
+    def build_datasets(self, cfg):
+        """
+        Build a dictionary of datasets, keyed by split 'train', 'valid', 'test'.
+        Download dataset and annotations automatically if not exist.
+
+        Args:
+            cfg (common.config.Config): _description_
+
+        Returns:
+            dict: Dictionary of torch.utils.data.Dataset objects by split.
+        """
+
+        datasets = dict()
+
+        datasets_config = cfg.datasets_cfg
+
+        assert len(datasets_config) > 0, "At least one dataset has to be specified."
+
+        for name in datasets_config:
+            dataset_config = datasets_config[name]
+
+            builder = registry.get_builder_class(name)(dataset_config)
+            dataset = builder.build_datasets()
+
+            dataset['train'].name = name
+            if 'sample_ratio' in dataset_config:
+                dataset['train'].sample_ratio = dataset_config.sample_ratio
+
+            datasets[name] = dataset
+
+        return datasets
+
+    def train_step(self, model, samples):
+        loss = model(samples)["loss"]
+        return loss
+
+    def valid_step(self, model, samples):
+        raise NotImplementedError
+
+    def before_evaluation(self, model, dataset, **kwargs):
+        model.before_evaluation(dataset=dataset, task_type=type(self))
+
+    def after_evaluation(self, **kwargs):
+        pass
+
+    def inference_step(self):
+        raise NotImplementedError
+
+    def evaluation(self, model, data_loader, cuda_enabled=True):
+        metric_logger = MetricLogger(delimiter="  ")
+        header = "Evaluation"
+        # TODO make it configurable
+        print_freq = 10
+
+        results = []
+
+        for samples in metric_logger.log_every(data_loader, print_freq, header):
+            samples = prepare_sample(samples, cuda_enabled=cuda_enabled)
+
+            eval_output = self.valid_step(model=model, samples=samples)
+            results.extend(eval_output)
+
+        if is_dist_avail_and_initialized():
+            dist.barrier()
+
+        return results
+
+    def train_epoch(
+        self,
+        epoch,
+        model,
+        data_loader,
+        optimizer,
+        lr_scheduler,
+        scaler=None,
+        cuda_enabled=False,
+        log_freq=50,
+        accum_grad_iters=1,
+    ):
+        return self._train_inner_loop(
+            epoch=epoch,
+            iters_per_epoch=lr_scheduler.iters_per_epoch,
+            model=model,
+            data_loader=data_loader,
+            optimizer=optimizer,
+            scaler=scaler,
+            lr_scheduler=lr_scheduler,
+            log_freq=log_freq,
+            cuda_enabled=cuda_enabled,
+            accum_grad_iters=accum_grad_iters,
+        )
+
+    def train_iters(
+        self,
+        epoch,
+        start_iters,
+        iters_per_inner_epoch,
+        model,
+        data_loader,
+        optimizer,
+        lr_scheduler,
+        scaler=None,
+        cuda_enabled=False,
+        log_freq=50,
+        accum_grad_iters=1,
+    ):
+        return self._train_inner_loop(
+            epoch=epoch,
+            start_iters=start_iters,
+            iters_per_epoch=iters_per_inner_epoch,
+            model=model,
+            data_loader=data_loader,
+            optimizer=optimizer,
+            scaler=scaler,
+            lr_scheduler=lr_scheduler,
+            log_freq=log_freq,
+            cuda_enabled=cuda_enabled,
+            accum_grad_iters=accum_grad_iters,
+        )
+
+    def _train_inner_loop(
+        self,
+        epoch,
+        iters_per_epoch,
+        model,
+        data_loader,
+        optimizer,
+        lr_scheduler,
+        scaler=None,
+        start_iters=None,
+        log_freq=50,
+        cuda_enabled=False,
+        accum_grad_iters=1,
+    ):
+        """
+        An inner training loop compatible with both epoch-based and iter-based training.
+
+        When using epoch-based, training stops after one epoch; when using iter-based,
+        training stops after #iters_per_epoch iterations.
+        """
+        use_amp = scaler is not None
+
+        if not hasattr(data_loader, "__next__"):
+            # convert to iterator if not already
+            data_loader = iter(data_loader)
+
+        metric_logger = MetricLogger(delimiter="  ")
+        metric_logger.add_meter("lr", SmoothedValue(window_size=1, fmt="{value:.6f}"))
+        metric_logger.add_meter("loss", SmoothedValue(window_size=1, fmt="{value:.4f}"))
+
+        # if iter-based runner, schedule lr based on inner epoch.
+        logging.info(
+            "Start training epoch {}, {} iters per inner epoch.".format(
+                epoch, iters_per_epoch
+            )
+        )
+        header = "Train: data epoch: [{}]".format(epoch)
+        if start_iters is None:
+            # epoch-based runner
+            inner_epoch = epoch
+        else:
+            # In iter-based runner, we schedule the learning rate based on iterations.
+            inner_epoch = start_iters // iters_per_epoch
+            header = header + "; inner epoch [{}]".format(inner_epoch)
+
+        for i in metric_logger.log_every(range(iters_per_epoch), log_freq, header):
+            # if using iter-based runner, we stop after iters_per_epoch iterations.
+            if i >= iters_per_epoch:
+                break
+
+            samples = next(data_loader)
+
+            samples = prepare_sample(samples, cuda_enabled=cuda_enabled)
+            samples.update(
+                {
+                    "epoch": inner_epoch,
+                    "num_iters_per_epoch": iters_per_epoch,
+                    "iters": i,
+                }
+            )
+
+            lr_scheduler.step(cur_epoch=inner_epoch, cur_step=i)
+
+            with torch.cuda.amp.autocast(enabled=use_amp):
+                loss = self.train_step(model=model, samples=samples)
+
+            # after_train_step()
+            if use_amp:
+                scaler.scale(loss).backward()
+            else:
+                loss.backward()
+
+            # update gradients every accum_grad_iters iterations
+            if (i + 1) % accum_grad_iters == 0:
+                if use_amp:
+                    scaler.step(optimizer)
+                    scaler.update()                     
+                else:    
+                    optimizer.step()
+                optimizer.zero_grad()
+
+            metric_logger.update(loss=loss.item())
+            metric_logger.update(lr=optimizer.param_groups[0]["lr"])
+
+        # after train_epoch()
+        # gather the stats from all processes
+        metric_logger.synchronize_between_processes()
+        logging.info("Averaged stats: " + str(metric_logger.global_avg()))
+        return {
+            k: "{:.3f}".format(meter.global_avg)
+            for k, meter in metric_logger.meters.items()
+        }
+
+    @staticmethod
+    def save_result(result, result_dir, filename, remove_duplicate=""):
+        import json
+
+        result_file = os.path.join(
+            result_dir, "%s_rank%d.json" % (filename, get_rank())
+        )
+        final_result_file = os.path.join(result_dir, "%s.json" % filename)
+
+        json.dump(result, open(result_file, "w"))
+
+        if is_dist_avail_and_initialized():
+            dist.barrier()
+
+        if is_main_process():
+            logging.warning("rank %d starts merging results." % get_rank())
+            # combine results from all processes
+            result = []
+
+            for rank in range(get_world_size()):
+                result_file = os.path.join(
+                    result_dir, "%s_rank%d.json" % (filename, rank)
+                )
+                res = json.load(open(result_file, "r"))
+                result += res
+
+            if remove_duplicate:
+                result_new = []
+                id_list = []
+                for res in result:
+                    if res[remove_duplicate] not in id_list:
+                        id_list.append(res[remove_duplicate])
+                        result_new.append(res)
+                result = result_new
+
+            json.dump(result, open(final_result_file, "w"))
+            print("result file saved to %s" % final_result_file)
+
+        return final_result_file
+
+
+class BaseProcessor:
+    def __init__(self):
+        self.transform = lambda x: x
+        return
+
+    def __call__(self, item):
+        return self.transform(item)
+
+    @classmethod
+    def from_config(cls, cfg=None):
+        return cls()
+
+    def build(self, **kwargs):
+        cfg = OmegaConf.create(kwargs)
+
+        return self.from_config(cfg)
+
+def get_cache_path(rel_path):
+    return os.path.expanduser(os.path.join(registry.get_path("cache_root"), rel_path))
+
+
+class BaseDatasetBuilder:
+    train_dataset_cls, eval_dataset_cls = None, None
+
+    def __init__(self, cfg=None):
+        super().__init__()
+
+        if cfg is None:
+            # help to create datasets from default config.
+            self.config = load_dataset_config(self.default_config_path())
+        elif isinstance(cfg, str):
+            self.config = load_dataset_config(cfg)
+        else:
+            # when called from task.build_dataset()
+            self.config = cfg
+
+        self.data_type = self.config.data_type
+
+        self.vis_processors = {"train": BaseProcessor(), "eval": BaseProcessor()}
+        self.text_processors = {"train": BaseProcessor(), "eval": BaseProcessor()}
+
+    def build_datasets(self):
+        # download, split, etc...
+        # only called on 1 GPU/TPU in distributed
+
+        if is_main_process():
+            self._download_data()
+
+        if is_dist_avail_and_initialized():
+            dist.barrier()
+
+        # at this point, all the annotations and image/videos should be all downloaded to the specified locations.
+        logging.info("Building datasets...")
+        datasets = self.build()  # dataset['train'/'val'/'test']
+
+        return datasets
+
+    def build_processors(self):
+        vis_proc_cfg = self.config.get("vis_processor")
+        txt_proc_cfg = self.config.get("text_processor")
+
+        if vis_proc_cfg is not None:
+            vis_train_cfg = vis_proc_cfg.get("train")
+            vis_eval_cfg = vis_proc_cfg.get("eval")
+
+            self.vis_processors["train"] = self._build_proc_from_cfg(vis_train_cfg)
+            self.vis_processors["eval"] = self._build_proc_from_cfg(vis_eval_cfg)
+
+        if txt_proc_cfg is not None:
+            txt_train_cfg = txt_proc_cfg.get("train")
+            txt_eval_cfg = txt_proc_cfg.get("eval")
+
+            self.text_processors["train"] = self._build_proc_from_cfg(txt_train_cfg)
+            self.text_processors["eval"] = self._build_proc_from_cfg(txt_eval_cfg)
+
+    @staticmethod
+    def _build_proc_from_cfg(cfg):
+        return (
+            registry.get_processor_class(cfg.name).from_config(cfg)
+            if cfg is not None
+            else None
+        )
+
+    @classmethod
+    def default_config_path(cls, type="default"):
+        return get_abs_path(cls.DATASET_CONFIG_DICT[type])
+
+    def _download_data(self):
+        self._download_ann()
+        self._download_vis()
+
+    def _download_ann(self):
+        """
+        Download annotation files if necessary.
+        All the vision-language datasets should have annotations of unified format.
+
+        storage_path can be:
+          (1) relative/absolute: will be prefixed with env.cache_root to make full path if relative.
+          (2) basename/dirname: will be suffixed with base name of URL if dirname is provided.
+
+        Local annotation paths should be relative.
+        """
+        anns = self.config.build_info.annotations
+
+        splits = anns.keys()
+
+        cache_root = registry.get_path("cache_root")
+
+        for split in splits:
+            info = anns[split]
+
+            urls, storage_paths = info.get("url", None), info.storage
+
+            if isinstance(urls, str):
+                urls = [urls]
+            if isinstance(storage_paths, str):
+                storage_paths = [storage_paths]
+
+            assert len(urls) == len(storage_paths)
+
+            for url_or_filename, storage_path in zip(urls, storage_paths):
+                # if storage_path is relative, make it full by prefixing with cache_root.
+                if not os.path.isabs(storage_path):
+                    storage_path = os.path.join(cache_root, storage_path)
+
+                dirname = os.path.dirname(storage_path)
+                if not os.path.exists(dirname):
+                    os.makedirs(dirname)
+
+                if os.path.isfile(url_or_filename):
+                    src, dst = url_or_filename, storage_path
+                    if not os.path.exists(dst):
+                        shutil.copyfile(src=src, dst=dst)
+                    else:
+                        logging.info("Using existing file {}.".format(dst))
+                else:
+                    if os.path.isdir(storage_path):
+                        # if only dirname is provided, suffix with basename of URL.
+                        raise ValueError(
+                            "Expecting storage_path to be a file path, got directory {}".format(
+                                storage_path
+                            )
+                        )
+                    else:
+                        filename = os.path.basename(storage_path)
+
+                    download_url(url=url_or_filename, root=dirname, filename=filename)
+
+    def _download_vis(self):
+
+        storage_path = self.config.build_info.get(self.data_type).storage
+        storage_path = get_cache_path(storage_path)
+
+        if not os.path.exists(storage_path):
+            warnings.warn(
+                f"""
+                The specified path {storage_path} for visual inputs does not exist.
+                Please provide a correct path to the visual inputs or
+                refer to datasets/download_scripts/README.md for downloading instructions.
+                """
+            )
+
+    def build(self):
+        """
+        Create by split datasets inheriting torch.utils.data.Datasets.
+
+        # build() can be dataset-specific. Overwrite to customize.
+        """
+        self.build_processors()
+
+        build_info = self.config.build_info
+
+        ann_info = build_info.annotations
+        vis_info = build_info.get(self.data_type)
+
+        datasets = dict()
+        for split in ann_info.keys():
+            if split not in ["train", "val", "test"]:
+                continue
+
+            is_train = split == "train"
+
+            # processors
+            vis_processor = (
+                self.vis_processors["train"]
+                if is_train
+                else self.vis_processors["eval"]
+            )
+            text_processor = (
+                self.text_processors["train"]
+                if is_train
+                else self.text_processors["eval"]
+            )
+
+            # annotation path
+            ann_paths = ann_info.get(split).storage
+            if isinstance(ann_paths, str):
+                ann_paths = [ann_paths]
+
+            abs_ann_paths = []
+            for ann_path in ann_paths:
+                if not os.path.isabs(ann_path):
+                    ann_path = get_cache_path(ann_path)
+                abs_ann_paths.append(ann_path)
+            ann_paths = abs_ann_paths
+
+            # visual data storage path
+            vis_path = os.path.join(vis_info.storage, split)
+
+            if not os.path.isabs(vis_path):
+                # vis_path = os.path.join(utils.get_cache_path(), vis_path)
+                vis_path = get_cache_path(vis_path)
+
+            if not os.path.exists(vis_path):
+                warnings.warn("storage path {} does not exist.".format(vis_path))
+
+            # create datasets
+            dataset_cls = self.train_dataset_cls if is_train else self.eval_dataset_cls
+            datasets[split] = dataset_cls(
+                vis_processor=vis_processor,
+                text_processor=text_processor,
+                ann_paths=ann_paths,
+                vis_root=vis_path,
+            )
+
+        return datasets
+
+
+
+
+class Registry:
+    mapping = {
+        "builder_name_mapping": {},
+        "task_name_mapping": {},
+        "processor_name_mapping": {},
+        "model_name_mapping": {},
+        "lr_scheduler_name_mapping": {},
+        "runner_name_mapping": {},
+        "state": {},
+        "paths": {},
+    }
+
+    @classmethod
+    def register_builder(cls, name):
+        r"""Register a dataset builder to registry with key 'name'
+
+        Args:
+            name: Key with which the builder will be registered.
+
+        Usage:
+
+            # from lavi.common.registry import registry
+            # from lavi.datasets.base_dataset_builder import BaseDatasetBuilder
+        """
+
+        def wrap(builder_cls):
+            # from musilingo.datasets.builders.base_dataset_builder import BaseDatasetBuilder
+
+            assert issubclass(
+                builder_cls, BaseDatasetBuilder
+            ), "All builders must inherit BaseDatasetBuilder class, found {}".format(
+                builder_cls
+            )
+            if name in cls.mapping["builder_name_mapping"]:
+                raise KeyError(
+                    "Name '{}' already registered for {}.".format(
+                        name, cls.mapping["builder_name_mapping"][name]
+                    )
+                )
+            cls.mapping["builder_name_mapping"][name] = builder_cls
+            return builder_cls
+
+        return wrap
+
+    @classmethod
+    def register_task(cls, name):
+        r"""Register a task to registry with key 'name'
+
+        Args:
+            name: Key with which the task will be registered.
+
+        Usage:
+
+            # from lavi.common.registry import registry
+        """
+
+        def wrap(task_cls):
+            # from musilingo.tasks.base_task import BaseTask
+
+            assert issubclass(
+                task_cls, BaseTask
+            ), "All tasks must inherit BaseTask class"
+            if name in cls.mapping["task_name_mapping"]:
+                raise KeyError(
+                    "Name '{}' already registered for {}.".format(
+                        name, cls.mapping["task_name_mapping"][name]
+                    )
+                )
+            cls.mapping["task_name_mapping"][name] = task_cls
+            return task_cls
+
+        return wrap
+
+    @classmethod
+    def register_model(cls, name):
+        r"""Register a task to registry with key 'name'
+
+        Args:
+            name: Key with which the task will be registered.
+
+        Usage:
+
+            # from lavi.common.registry import registry
+        """
+
+        def wrap(model_cls):
+
+            assert issubclass(
+                model_cls, BaseModel
+            ), "All models must inherit BaseModel class"
+            if name in cls.mapping["model_name_mapping"]:
+                raise KeyError(
+                    "Name '{}' already registered for {}.".format(
+                        name, cls.mapping["model_name_mapping"][name]
+                    )
+                )
+            cls.mapping["model_name_mapping"][name] = model_cls
+            return model_cls
+
+        return wrap
+
+    @classmethod
+    def register_processor(cls, name):
+        r"""Register a processor to registry with key 'name'
+
+        Args:
+            name: Key with which the task will be registered.
+
+        Usage:
+
+            # from lavi.common.registry import registry
+        """
+
+        def wrap(processor_cls):
+            # from musilingo.processors import BaseProcessor
+
+            assert issubclass(
+                processor_cls, BaseProcessor
+            ), "All processors must inherit BaseProcessor class"
+            if name in cls.mapping["processor_name_mapping"]:
+                raise KeyError(
+                    "Name '{}' already registered for {}.".format(
+                        name, cls.mapping["processor_name_mapping"][name]
+                    )
+                )
+            cls.mapping["processor_name_mapping"][name] = processor_cls
+            return processor_cls
+
+        return wrap
+
+    @classmethod
+    def register_lr_scheduler(cls, name):
+        r"""Register a model to registry with key 'name'
+
+        Args:
+            name: Key with which the task will be registered.
+
+        Usage:
+
+            # from minigpt4.common.registry import registry
+        """
+
+        def wrap(lr_sched_cls):
+            if name in cls.mapping["lr_scheduler_name_mapping"]:
+                raise KeyError(
+                    "Name '{}' already registered for {}.".format(
+                        name, cls.mapping["lr_scheduler_name_mapping"][name]
+                    )
+                )
+            cls.mapping["lr_scheduler_name_mapping"][name] = lr_sched_cls
+            return lr_sched_cls
+
+        return wrap
+
+    @classmethod
+    def register_runner(cls, name):
+        r"""Register a model to registry with key 'name'
+
+        Args:
+            name: Key with which the task will be registered.
+
+        Usage:
+
+            # from minigpt4.common.registry import registry
+        """
+
+        def wrap(runner_cls):
+            if name in cls.mapping["runner_name_mapping"]:
+                raise KeyError(
+                    "Name '{}' already registered for {}.".format(
+                        name, cls.mapping["runner_name_mapping"][name]
+                    )
+                )
+            cls.mapping["runner_name_mapping"][name] = runner_cls
+            return runner_cls
+
+        return wrap
+
+    @classmethod
+    def register_path(cls, name, path):
+        r"""Register a path to registry with key 'name'
+
+        Args:
+            name: Key with which the path will be registered.
+
+        Usage:
+
+            # from minigpt4.common.registry import registry
+        """
+        assert isinstance(path, str), "All path must be str."
+        if name in cls.mapping["paths"]:
+            raise KeyError("Name '{}' already registered.".format(name))
+        cls.mapping["paths"][name] = path
+
+    @classmethod
+    def register(cls, name, obj):
+        r"""Register an item to registry with key 'name'
+
+        Args:
+            name: Key with which the item will be registered.
+
+        Usage::
+
+            # from minigpt4.common.registry import registry
+
+            registry.register("config", {})
+        """
+        path = name.split(".")
+        current = cls.mapping["state"]
+
+        for part in path[:-1]:
+            if part not in current:
+                current[part] = {}
+            current = current[part]
+
+        current[path[-1]] = obj
+
+    # @classmethod
+    # def get_trainer_class(cls, name):
+    #     return cls.mapping["trainer_name_mapping"].get(name, None)
+
+    @classmethod
+    def get_builder_class(cls, name):
+        return cls.mapping["builder_name_mapping"].get(name, None)
+
+    @classmethod
+    def get_model_class(cls, name):
+        return cls.mapping["model_name_mapping"].get(name, None)
+
+    @classmethod
+    def get_task_class(cls, name):
+        return cls.mapping["task_name_mapping"].get(name, None)
+
+    @classmethod
+    def get_processor_class(cls, name):
+        return cls.mapping["processor_name_mapping"].get(name, None)
+
+    @classmethod
+    def get_lr_scheduler_class(cls, name):
+        return cls.mapping["lr_scheduler_name_mapping"].get(name, None)
+
+    @classmethod
+    def get_runner_class(cls, name):
+        return cls.mapping["runner_name_mapping"].get(name, None)
+
+    @classmethod
+    def list_runners(cls):
+        return sorted(cls.mapping["runner_name_mapping"].keys())
+
+    @classmethod
+    def list_models(cls):
+        return sorted(cls.mapping["model_name_mapping"].keys())
+
+    @classmethod
+    def list_tasks(cls):
+        return sorted(cls.mapping["task_name_mapping"].keys())
+
+    @classmethod
+    def list_processors(cls):
+        return sorted(cls.mapping["processor_name_mapping"].keys())
+
+    @classmethod
+    def list_lr_schedulers(cls):
+        return sorted(cls.mapping["lr_scheduler_name_mapping"].keys())
+
+    @classmethod
+    def list_datasets(cls):
+        return sorted(cls.mapping["builder_name_mapping"].keys())
+
+    @classmethod
+    def get_path(cls, name):
+        return cls.mapping["paths"].get(name, None)
+
+    @classmethod
+    def get(cls, name, default=None, no_warning=False):
+        r"""Get an item from registry with key 'name'
+
+        Args:
+            name (string): Key whose value needs to be retrieved.
+            default: If passed and key is not in registry, default value will
+                     be returned with a warning. Default: None
+            no_warning (bool): If passed as True, warning when key doesn't exist
+                               will not be generated. Useful for MMF's
+                               internal operations. Default: False
+        """
+        original_name = name
+        name = name.split(".")
+        value = cls.mapping["state"]
+        for subname in name:
+            value = value.get(subname, default)
+            if value is default:
+                break
+
+        if (
+            "writer" in cls.mapping["state"]
+            and value == default
+            and no_warning is False
+        ):
+            cls.mapping["state"]["writer"].warning(
+                "Key {} is not present in registry, returning default value "
+                "of {}".format(original_name, default)
+            )
+        return value
+
+    @classmethod
+    def unregister(cls, name):
+        r"""Remove an item from registry with key 'name'
+
+        Args:
+            name: Key which needs to be removed.
+        Usage::
+
+            # from mmf.common.registry import registry
+
+            config = registry.unregister("config")
+        """
+        return cls.mapping["state"].pop(name, None)
+
+
+registry = Registry()
+
+
+def get_abs_path(rel_path):
+    return os.path.join(registry.get_path("library_root"), rel_path)
+
+def is_url(input_url):
+    """
+    Check if an input string is a url. look for http(s):// and ignoring the case
+    """
+    is_url = re.match(r"^(?:http)s?://", input_url, re.IGNORECASE) is not None
+    return is_url
+
+
+def download_cached_file(url, check_hash=True, progress=False):
+    """
+    Download a file from a URL and cache it locally. If the file already exists, it is not downloaded again.
+    If distributed, only the main process downloads the file, and the other processes wait for the file to be downloaded.
+    """
+
+    def get_cached_file_path():
+        # a hack to sync the file path across processes
+        parts = torch.hub.urlparse(url)
+        filename = os.path.basename(parts.path)
+        cached_file = os.path.join(timm_hub.get_cache_dir(), filename)
+
+        return cached_file
+
+    if is_main_process():
+        timm_hub.download_cached_file(url, check_hash, progress)
+
+    if is_dist_avail_and_initialized():
+        dist.barrier()
+
+    return get_cached_file_path()
+
+def is_dist_avail_and_initialized():
+    if not dist.is_available():
+        return False
+    if not dist.is_initialized():
+        return False
+    return True
+
+def is_main_process():
+    return get_rank() == 0
+
+def get_rank():
+    if not is_dist_avail_and_initialized():
+        return 0
+    return dist.get_rank()
+
+class BaseModel(nn.Module):
+    """Base class for models."""
+
+    def __init__(self):
+        super().__init__()
+
+    @property
+    def device(self):
+        return list(self.parameters())[0].device
+
+    def load_checkpoint(self, url_or_filename):
+        """
+        Load from a finetuned checkpoint.
+
+        This should expect no mismatch in the model keys and the checkpoint keys.
+        """
+
+        if is_url(url_or_filename):
+            cached_file = download_cached_file(
+                url_or_filename, check_hash=False, progress=True
+            )
+            checkpoint = torch.load(cached_file, map_location="cpu")
+        elif os.path.isfile(url_or_filename):
+            checkpoint = torch.load(url_or_filename, map_location="cpu")
+        else:
+            raise RuntimeError("checkpoint url or path is invalid")
+
+        if "model" in checkpoint.keys():
+            state_dict = checkpoint["model"]
+        else:
+            state_dict = checkpoint
+
+        msg = self.load_state_dict(state_dict, strict=False)
+
+        logging.info("Missing keys {}".format(msg.missing_keys))
+        logging.info("load checkpoint from %s" % url_or_filename)
+
+        return msg
+
+    @classmethod
+    def from_pretrained(cls, model_type):
+        """
+        Build a pretrained model from default configuration file, specified by model_type.
+
+        Args:
+            - model_type (str): model type, specifying architecture and checkpoints.
+
+        Returns:
+            - model (nn.Module): pretrained or finetuned model, depending on the configuration.
+        """
+        model_cfg = OmegaConf.load(cls.default_config_path(model_type)).model
+        model = cls.from_config(model_cfg)
+
+        return model
+
+    @classmethod
+    def default_config_path(cls, model_type):
+        assert (
+            model_type in cls.PRETRAINED_MODEL_CONFIG_DICT
+        ), "Unknown model type {}".format(model_type)
+        return get_abs_path(cls.PRETRAINED_MODEL_CONFIG_DICT[model_type])
+
+    def load_checkpoint_from_config(self, cfg, **kwargs):
+        """
+        Load checkpoint as specified in the config file.
+
+        If load_finetuned is True, load the finetuned model; otherwise, load the pretrained model.
+        When loading the pretrained model, each task-specific architecture may define their
+        own load_from_pretrained() method.
+        """
+        load_finetuned = cfg.get("load_finetuned", True)
+        if load_finetuned:
+            finetune_path = cfg.get("finetuned", None)
+            assert (
+                finetune_path is not None
+            ), "Found load_finetuned is True, but finetune_path is None."
+            self.load_checkpoint(url_or_filename=finetune_path)
+        else:
+            # load pre-trained weights
+            pretrain_path = cfg.get("pretrained", None)
+            assert "Found load_finetuned is False, but pretrain_path is None."
+            self.load_from_pretrained(url_or_filename=pretrain_path, **kwargs)
+
+    def before_evaluation(self, **kwargs):
+        pass
+
+    def show_n_params(self, return_str=True):
+        tot = 0
+        for p in self.parameters():
+            w = 1
+            for x in p.shape:
+                w *= x
+            tot += w
+        if return_str:
+            if tot >= 1e6:
+                return "{:.1f}M".format(tot / 1e6)
+            else:
+                return "{:.1f}K".format(tot / 1e3)
+        else:
+            return tot
+
+LLAMA_INPUTS_DOCSTRING = r"""
+    Args:
+        input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
+            Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
+            it.
+
+            Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
+            [`PreTrainedTokenizer.__call__`] for details.
+
+            [What are input IDs?](../glossary#input-ids)
+        attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length)`, *optional*):
+            Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
+
+            - 1 for tokens that are **not masked**,
+            - 0 for tokens that are **masked**.
+
+            [What are attention masks?](../glossary#attention-mask)
+
+            Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
+            [`PreTrainedTokenizer.__call__`] for details.
+
+            If `past_key_values` is used, optionally only the last `decoder_input_ids` have to be input (see
+            `past_key_values`).
+
+            If you want to change padding behavior, you should read [`modeling_opt._prepare_decoder_attention_mask`]
+            and modify to your needs. See diagram 1 in [the paper](https://arxiv.org/abs/1910.13461) for more
+            information on the default strategy.
+
+            - 1 indicates the head is **not masked**,
+            - 0 indicates the head is **masked**.
+        position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
+            Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
+            config.n_positions - 1]`.
+
+            [What are position IDs?](../glossary#position-ids)
+        past_key_values (`tuple(tuple(torch.FloatTensor))`, *optional*, returned when `use_cache=True` is passed or when `config.use_cache=True`):
+            Tuple of `tuple(torch.FloatTensor)` of length `config.n_layers`, with each tuple having 2 tensors of shape
+            `(batch_size, num_heads, sequence_length, embed_size_per_head)`) and 2 additional tensors of shape
+            `(batch_size, num_heads, encoder_sequence_length, embed_size_per_head)`.
+
+            Contains pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
+            blocks) that can be used (see `past_key_values` input) to speed up sequential decoding.
+
+            If `past_key_values` are used, the user can optionally input only the last `decoder_input_ids` (those that
+            don't have their past key value states given to this model) of shape `(batch_size, 1)` instead of all
+            `decoder_input_ids` of shape `(batch_size, sequence_length)`.
+        inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
+            Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
+            is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
+            model's internal embedding lookup matrix.
+        use_cache (`bool`, *optional*):
+            If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
+            `past_key_values`).
+        output_attentions (`bool`, *optional*):
+            Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
+            tensors for more detail.
+        output_hidden_states (`bool`, *optional*):
+            Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
+            more detail.
+        return_dict (`bool`, *optional*):
+            Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
+"""
+
+
+LLAMA_START_DOCSTRING = r"""
+    This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
+    library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
+    etc.)
+
+    This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
+    Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
+    and behavior.
+
+    Parameters:
+        config ([`LlamaConfig`]):
+            Model configuration class with all the parameters of the model. Initializing with a config file does not
+            load the weights associated with the model, only the configuration. Check out the
+            [`~PreTrainedModel.from_pretrained`] method to load the model weights.
+"""
+
+
+logger = logging.get_logger(__name__)
+
+_CONFIG_FOR_DOC = "LlamaConfig"
+
+
+# Copied from transformers.models.bart.modeling_bart._make_causal_mask
+def _make_causal_mask(
+    input_ids_shape: torch.Size, dtype: torch.dtype, device: torch.device, past_key_values_length: int = 0
+):
+    """
+    Make causal mask used for bi-directional self-attention.
+    """
+    bsz, tgt_len = input_ids_shape
+    mask = torch.full((tgt_len, tgt_len), torch.tensor(torch.finfo(dtype).min, device=device), device=device)
+    mask_cond = torch.arange(mask.size(-1), device=device)
+    mask.masked_fill_(mask_cond < (mask_cond + 1).view(mask.size(-1), 1), 0)
+    mask = mask.to(dtype)
+
+    if past_key_values_length > 0:
+        mask = torch.cat([torch.zeros(tgt_len, past_key_values_length, dtype=dtype, device=device), mask], dim=-1)
+    return mask[None, None, :, :].expand(bsz, 1, tgt_len, tgt_len + past_key_values_length)
+
+
+# Copied from transformers.models.bart.modeling_bart._expand_mask
+def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None):
+    """
+    Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
+    """
+    bsz, src_len = mask.size()
+    tgt_len = tgt_len if tgt_len is not None else src_len
+
+    expanded_mask = mask[:, None, None, :].expand(bsz, 1, tgt_len, src_len).to(dtype)
+
+    inverted_mask = 1.0 - expanded_mask
+
+    return inverted_mask.masked_fill(inverted_mask.to(torch.bool), torch.finfo(dtype).min)
+
+
+class LlamaRMSNorm(nn.Module):
+    def __init__(self, hidden_size, eps=1e-6):
+        """
+        LlamaRMSNorm is equivalent to T5LayerNorm
+        """
+        super().__init__()
+        self.weight = nn.Parameter(torch.ones(hidden_size))
+        self.variance_epsilon = eps
+
+    def forward(self, hidden_states):
+        variance = hidden_states.to(torch.float32).pow(2).mean(-1, keepdim=True)
+        hidden_states = hidden_states * torch.rsqrt(variance + self.variance_epsilon)
+
+        # convert into half-precision if necessary
+        if self.weight.dtype in [torch.float16, torch.bfloat16]:
+            hidden_states = hidden_states.to(self.weight.dtype)
+
+        return self.weight * hidden_states
+
+
+class LlamaRotaryEmbedding(torch.nn.Module):
+    def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None):
+        super().__init__()
+        inv_freq = 1.0 / (base ** (torch.arange(0, dim, 2).float().to(device) / dim))
+        self.register_buffer("inv_freq", inv_freq)
+
+        # Build here to make `torch.jit.trace` work.
+        self.max_seq_len_cached = max_position_embeddings
+        t = torch.arange(self.max_seq_len_cached, device=self.inv_freq.device, dtype=self.inv_freq.dtype)
+        freqs = torch.einsum("i,j->ij", t, self.inv_freq)
+        # Different from paper, but it uses a different permutation in order to obtain the same calculation
+        emb = torch.cat((freqs, freqs), dim=-1)
+        self.register_buffer("cos_cached", emb.cos()[None, None, :, :], persistent=False)
+        self.register_buffer("sin_cached", emb.sin()[None, None, :, :], persistent=False)
+
+    def forward(self, x, seq_len=None):
+        # x: [bs, num_attention_heads, seq_len, head_size]
+        # This `if` block is unlikely to be run after we build sin/cos in `__init__`. Keep the logic here just in case.
+        if seq_len > self.max_seq_len_cached:
+            self.max_seq_len_cached = seq_len
+            t = torch.arange(self.max_seq_len_cached, device=x.device, dtype=self.inv_freq.dtype)
+            freqs = torch.einsum("i,j->ij", t, self.inv_freq)
+            # Different from paper, but it uses a different permutation in order to obtain the same calculation
+            emb = torch.cat((freqs, freqs), dim=-1).to(x.device)
+            self.register_buffer("cos_cached", emb.cos()[None, None, :, :], persistent=False)
+            self.register_buffer("sin_cached", emb.sin()[None, None, :, :], persistent=False)
+        return (
+            self.cos_cached[:, :, :seq_len, ...].to(dtype=x.dtype),
+            self.sin_cached[:, :, :seq_len, ...].to(dtype=x.dtype),
+        )
+
+
+def rotate_half(x):
+    """Rotates half the hidden dims of the input."""
+    x1 = x[..., : x.shape[-1] // 2]
+    x2 = x[..., x.shape[-1] // 2 :]
+    return torch.cat((-x2, x1), dim=-1)
+
+
+def apply_rotary_pos_emb(q, k, cos, sin, position_ids):
+    gather_indices = position_ids[:, None, :, None]  # [bs, 1, seq_len, 1]
+    gather_indices = gather_indices.repeat(1, cos.shape[1], 1, cos.shape[3])
+    cos = torch.gather(cos.repeat(gather_indices.shape[0], 1, 1, 1), 2, gather_indices)
+    sin = torch.gather(sin.repeat(gather_indices.shape[0], 1, 1, 1), 2, gather_indices)
+    q_embed = (q * cos) + (rotate_half(q) * sin)
+    k_embed = (k * cos) + (rotate_half(k) * sin)
+    return q_embed, k_embed
+
+
+
+
+class LlamaMLP(nn.Module):
+    def __init__(
+        self,
+        hidden_size: int,
+        intermediate_size: int,
+        hidden_act: str,
+    ):
+        super().__init__()
+        self.gate_proj = nn.Linear(hidden_size, intermediate_size, bias=False)
+        self.down_proj = nn.Linear(intermediate_size, hidden_size, bias=False)
+        self.up_proj = nn.Linear(hidden_size, intermediate_size, bias=False)
+        self.act_fn = ACT2FN[hidden_act]
+
+    def forward(self, x):
+        return self.down_proj(self.act_fn(self.gate_proj(x)) * self.up_proj(x))
+
+
+class LlamaAttention(nn.Module):
+    """Multi-headed attention from 'Attention Is All You Need' paper"""
+
+    def __init__(self, config: LlamaConfig):
+        super().__init__()
+        self.config = config
+        self.hidden_size = config.hidden_size
+        self.num_heads = config.num_attention_heads
+        self.head_dim = self.hidden_size // self.num_heads
+        self.max_position_embeddings = config.max_position_embeddings
+
+        if (self.head_dim * self.num_heads) != self.hidden_size:
+            raise ValueError(
+                f"hidden_size must be divisible by num_heads (got `hidden_size`: {self.hidden_size}"
+                f" and `num_heads`: {self.num_heads})."
+            )
+        self.q_proj = nn.Linear(self.hidden_size, self.num_heads * self.head_dim, bias=False)
+        self.k_proj = nn.Linear(self.hidden_size, self.num_heads * self.head_dim, bias=False)
+        self.v_proj = nn.Linear(self.hidden_size, self.num_heads * self.head_dim, bias=False)
+        self.o_proj = nn.Linear(self.num_heads * self.head_dim, self.hidden_size, bias=False)
+        self.rotary_emb = LlamaRotaryEmbedding(self.head_dim, max_position_embeddings=self.max_position_embeddings)
+
+    def _shape(self, tensor: torch.Tensor, seq_len: int, bsz: int):
+        return tensor.view(bsz, seq_len, self.num_heads, self.head_dim).transpose(1, 2).contiguous()
+
+    def forward(
+        self,
+        hidden_states: torch.Tensor,
+        attention_mask: Optional[torch.Tensor] = None,
+        position_ids: Optional[torch.LongTensor] = None,
+        past_key_value: Optional[Tuple[torch.Tensor]] = None,
+        output_attentions: bool = False,
+        use_cache: bool = False,
+    ) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
+        bsz, q_len, _ = hidden_states.size()
+
+        query_states = self.q_proj(hidden_states).view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
+        key_states = self.k_proj(hidden_states).view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
+        value_states = self.v_proj(hidden_states).view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
+
+        kv_seq_len = key_states.shape[-2]
+        if past_key_value is not None:
+            kv_seq_len += past_key_value[0].shape[-2]
+        cos, sin = self.rotary_emb(value_states, seq_len=kv_seq_len)
+        query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
+        # [bsz, nh, t, hd]
+
+        if past_key_value is not None:
+            # reuse k, v, self_attention
+            key_states = torch.cat([past_key_value[0], key_states], dim=2)
+            value_states = torch.cat([past_key_value[1], value_states], dim=2)
+
+        past_key_value = (key_states, value_states) if use_cache else None
+
+        attn_weights = torch.matmul(query_states, key_states.transpose(2, 3)) / math.sqrt(self.head_dim)
+
+        if attn_weights.size() != (bsz, self.num_heads, q_len, kv_seq_len):
+            raise ValueError(
+                f"Attention weights should be of size {(bsz * self.num_heads, q_len, kv_seq_len)}, but is"
+                f" {attn_weights.size()}"
+            )
+
+        if attention_mask is not None:
+            if attention_mask.size() != (bsz, 1, q_len, kv_seq_len):
+                raise ValueError(
+                    f"Attention mask should be of size {(bsz, 1, q_len, kv_seq_len)}, but is {attention_mask.size()}"
+                )
+            attn_weights = attn_weights + attention_mask
+            attn_weights = torch.max(attn_weights, torch.tensor(torch.finfo(attn_weights.dtype).min))
+
+        # upcast attention to fp32
+        attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(query_states.dtype)
+        attn_output = torch.matmul(attn_weights, value_states)
+
+        if attn_output.size() != (bsz, self.num_heads, q_len, self.head_dim):
+            raise ValueError(
+                f"`attn_output` should be of size {(bsz, self.num_heads, q_len, self.head_dim)}, but is"
+                f" {attn_output.size()}"
+            )
+
+        attn_output = attn_output.transpose(1, 2)
+        attn_output = attn_output.reshape(bsz, q_len, self.hidden_size)
+
+        attn_output = self.o_proj(attn_output)
+
+        if not output_attentions:
+            attn_weights = None
+
+        return attn_output, attn_weights, past_key_value
+
+
+
+class LlamaDecoderLayer(nn.Module):
+    def __init__(self, config: LlamaConfig):
+        super().__init__()
+        self.hidden_size = config.hidden_size
+        self.self_attn = LlamaAttention(config=config)
+        self.mlp = LlamaMLP(
+            hidden_size=self.hidden_size,
+            intermediate_size=config.intermediate_size,
+            hidden_act=config.hidden_act,
+        )
+        self.input_layernorm = LlamaRMSNorm(config.hidden_size, eps=config.rms_norm_eps)
+        self.post_attention_layernorm = LlamaRMSNorm(config.hidden_size, eps=config.rms_norm_eps)
+
+    def forward(
+        self,
+        hidden_states: torch.Tensor,
+        attention_mask: Optional[torch.Tensor] = None,
+        position_ids: Optional[torch.LongTensor] = None,
+        past_key_value: Optional[Tuple[torch.Tensor]] = None,
+        output_attentions: Optional[bool] = False,
+        use_cache: Optional[bool] = False,
+    ) -> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
+        """
+        Args:
+            hidden_states (`torch.FloatTensor`): input to the layer of shape `(batch, seq_len, embed_dim)`
+            attention_mask (`torch.FloatTensor`, *optional*): attention mask of size
+                `(batch, 1, tgt_len, src_len)` where padding elements are indicated by very large negative values.
+            output_attentions (`bool`, *optional*):
+                Whether or not to return the attentions tensors of all attention layers. See `attentions` under
+                returned tensors for more detail.
+            use_cache (`bool`, *optional*):
+                If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding
+                (see `past_key_values`).
+            past_key_value (`Tuple(torch.FloatTensor)`, *optional*): cached past key and value projection states
+        """
+
+        residual = hidden_states
+
+        hidden_states = self.input_layernorm(hidden_states)
+
+        # Self Attention
+        hidden_states, self_attn_weights, present_key_value = self.self_attn(
+            hidden_states=hidden_states,
+            attention_mask=attention_mask,
+            position_ids=position_ids,
+            past_key_value=past_key_value,
+            output_attentions=output_attentions,
+            use_cache=use_cache,
+        )
+        hidden_states = residual + hidden_states
+
+        # Fully Connected
+        residual = hidden_states
+        hidden_states = self.post_attention_layernorm(hidden_states)
+        hidden_states = self.mlp(hidden_states)
+        hidden_states = residual + hidden_states
+
+        outputs = (hidden_states,)
+
+        if output_attentions:
+            outputs += (self_attn_weights,)
+
+        if use_cache:
+            outputs += (present_key_value,)
+
+        return outputs
+
+
+@add_start_docstrings(
+    "The bare LLaMA Model outputting raw hidden-states without any specific head on top.",
+    LLAMA_START_DOCSTRING,
+)
+class LlamaPreTrainedModel(PreTrainedModel):
+    config_class = LlamaConfig
+    base_model_prefix = "model"
+    supports_gradient_checkpointing = True
+    _no_split_modules = ["LlamaDecoderLayer"]
+    _keys_to_ignore_on_load_unexpected = [r"decoder\.version"]
+
+    def _init_weights(self, module):
+        std = self.config.initializer_range
+        if isinstance(module, nn.Linear):
+            module.weight.data.normal_(mean=0.0, std=std)
+            if module.bias is not None:
+                module.bias.data.zero_()
+        elif isinstance(module, nn.Embedding):
+            module.weight.data.normal_(mean=0.0, std=std)
+            if module.padding_idx is not None:
+                module.weight.data[module.padding_idx].zero_()
+
+    def _set_gradient_checkpointing(self, module, value=False):
+        if isinstance(module, LlamaModel):
+            module.gradient_checkpointing = value
+
+
+@add_start_docstrings(
+    "The bare LLaMA Model outputting raw hidden-states without any specific head on top.",
+    LLAMA_START_DOCSTRING,
+)
+class LlamaModel(LlamaPreTrainedModel):
+    """
+    Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`LlamaDecoderLayer`]
+
+    Args:
+        config: LlamaConfig
+    """
+
+    def __init__(self, config: LlamaConfig):
+        super().__init__(config)
+        self.padding_idx = config.pad_token_id
+        self.vocab_size = config.vocab_size
+
+        self.embed_tokens = nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
+        self.layers = nn.ModuleList([LlamaDecoderLayer(config) for _ in range(config.num_hidden_layers)])
+        self.norm = LlamaRMSNorm(config.hidden_size, eps=config.rms_norm_eps)
+
+        self.gradient_checkpointing = False
+        # Initialize weights and apply final processing
+        self.post_init()
+
+    def get_input_embeddings(self):
+        return self.embed_tokens
+
+    def set_input_embeddings(self, value):
+        self.embed_tokens = value
+
+    # Copied from transformers.models.bart.modeling_bart.BartDecoder._prepare_decoder_attention_mask
+    def _prepare_decoder_attention_mask(self, attention_mask, input_shape, inputs_embeds, past_key_values_length):
+        # create causal mask
+        # [bsz, seq_len] -> [bsz, 1, tgt_seq_len, src_seq_len]
+        combined_attention_mask = None
+        if input_shape[-1] > 1:
+            combined_attention_mask = _make_causal_mask(
+                input_shape,
+                inputs_embeds.dtype,
+                device=inputs_embeds.device,
+                past_key_values_length=past_key_values_length,
+            )
+
+        if attention_mask is not None:
+            # [bsz, seq_len] -> [bsz, 1, tgt_seq_len, src_seq_len]
+            expanded_attn_mask = _expand_mask(attention_mask, inputs_embeds.dtype, tgt_len=input_shape[-1]).to(
+                inputs_embeds.device
+            )
+            combined_attention_mask = (
+                expanded_attn_mask if combined_attention_mask is None else expanded_attn_mask + combined_attention_mask
+            )
+
+        return combined_attention_mask
+
+    @add_start_docstrings_to_model_forward(LLAMA_INPUTS_DOCSTRING)
+    def forward(
+        self,
+        input_ids: torch.LongTensor = None,
+        attention_mask: Optional[torch.Tensor] = None,
+        position_ids: Optional[torch.LongTensor] = None,
+        past_key_values: Optional[List[torch.FloatTensor]] = None,
+        inputs_embeds: Optional[torch.FloatTensor] = None,
+        query_embeds: Optional[torch.FloatTensor] = None,
+        use_cache: Optional[bool] = None,
+        output_attentions: Optional[bool] = None,
+        output_hidden_states: Optional[bool] = None,
+        return_dict: Optional[bool] = None,
+    ) -> Union[Tuple, BaseModelOutputWithPast]:
+        output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
+        output_hidden_states = (
+            output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
+        )
+        use_cache = use_cache if use_cache is not None else self.config.use_cache
+
+        return_dict = return_dict if return_dict is not None else self.config.use_return_dict
+
+        # retrieve input_ids and inputs_embeds
+        if input_ids is not None and inputs_embeds is not None:
+            raise ValueError("You cannot specify both decoder_input_ids and decoder_inputs_embeds at the same time")
+        elif input_ids is not None:
+            batch_size, seq_length = input_ids.shape
+        elif inputs_embeds is not None:
+            batch_size, seq_length, _ = inputs_embeds.shape
+        else:
+            raise ValueError("You have to specify either decoder_input_ids or decoder_inputs_embeds")
+
+        if inputs_embeds is None:
+            inputs_embeds = self.embed_tokens(input_ids)
+        if query_embeds is not None:
+            inputs_embeds = torch.cat([query_embeds, inputs_embeds], dim=1)
+            batch_size, seq_length, _ = inputs_embeds.shape
+
+        seq_length_with_past = seq_length
+        past_key_values_length = 0
+
+        if past_key_values is not None:
+            past_key_values_length = past_key_values[0][0].shape[2]
+            seq_length_with_past = seq_length_with_past + past_key_values_length
+
+        if position_ids is None:
+            device = input_ids.device if input_ids is not None else inputs_embeds.device
+            position_ids = torch.arange(
+                past_key_values_length, seq_length + past_key_values_length, dtype=torch.long, device=device
+            )
+            position_ids = position_ids.unsqueeze(0).view(-1, seq_length)
+        else:
+            position_ids = position_ids.view(-1, seq_length).long()
+
+        # embed positions
+        if attention_mask is None:
+            attention_mask = torch.ones(
+                (batch_size, seq_length_with_past), dtype=torch.bool, device=inputs_embeds.device
+            )
+        attention_mask = self._prepare_decoder_attention_mask(
+            attention_mask, (batch_size, seq_length), inputs_embeds, past_key_values_length
+        )
+
+        hidden_states = inputs_embeds
+
+        if self.gradient_checkpointing and self.training:
+            if use_cache:
+                logger.warning_once(
+                    "`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
+                )
+                use_cache = False
+
+        # decoder layers
+        all_hidden_states = () if output_hidden_states else None
+        all_self_attns = () if output_attentions else None
+        next_decoder_cache = () if use_cache else None
+
+        for idx, decoder_layer in enumerate(self.layers):
+            if output_hidden_states:
+                all_hidden_states += (hidden_states,)
+
+            past_key_value = past_key_values[idx] if past_key_values is not None else None
+
+            if self.gradient_checkpointing and self.training:
+
+                def create_custom_forward(module):
+                    def custom_forward(*inputs):
+                        # None for past_key_value
+                        return module(*inputs, output_attentions, None)
+
+                    return custom_forward
+
+                layer_outputs = torch.utils.checkpoint.checkpoint(
+                    create_custom_forward(decoder_layer),
+                    hidden_states,
+                    attention_mask,
+                    position_ids,
+                    None,
+                )
+            else:
+                layer_outputs = decoder_layer(
+                    hidden_states,
+                    attention_mask=attention_mask,
+                    position_ids=position_ids,
+                    past_key_value=past_key_value,
+                    output_attentions=output_attentions,
+                    use_cache=use_cache,
+                )
+
+            hidden_states = layer_outputs[0]
+
+            if use_cache:
+                next_decoder_cache += (layer_outputs[2 if output_attentions else 1],)
+
+            if output_attentions:
+                all_self_attns += (layer_outputs[1],)
+
+        hidden_states = self.norm(hidden_states)
+
+        # add hidden states from the last decoder layer
+        if output_hidden_states:
+            all_hidden_states += (hidden_states,)
+
+        next_cache = next_decoder_cache if use_cache else None
+        if not return_dict:
+            return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] if v is not None)
+        return BaseModelOutputWithPast(
+            last_hidden_state=hidden_states,
+            past_key_values=next_cache,
+            hidden_states=all_hidden_states,
+            attentions=all_self_attns,
+        )
+
+
+
+class LlamaForCausalLM(LlamaPreTrainedModel):
+    def __init__(self, config):
+        super().__init__(config)
+        self.model = LlamaModel(config)
+
+        self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=False)
+
+        # Initialize weights and apply final processing
+        self.post_init()
+
+    def get_input_embeddings(self):
+        return self.model.embed_tokens
+
+    def set_input_embeddings(self, value):
+        self.model.embed_tokens = value
+
+    def get_output_embeddings(self):
+        return self.lm_head
+
+    def set_output_embeddings(self, new_embeddings):
+        self.lm_head = new_embeddings
+
+    def set_decoder(self, decoder):
+        self.model = decoder
+
+    def get_decoder(self):
+        return self.model
+
+    @add_start_docstrings_to_model_forward(LLAMA_INPUTS_DOCSTRING)
+    @replace_return_docstrings(output_type=CausalLMOutputWithPast, config_class=_CONFIG_FOR_DOC)
+    def forward(
+        self,
+        input_ids: torch.LongTensor = None,
+        attention_mask: Optional[torch.Tensor] = None,
+        position_ids: Optional[torch.LongTensor] = None,
+        past_key_values: Optional[List[torch.FloatTensor]] = None,
+        inputs_embeds: Optional[torch.FloatTensor] = None,
+        query_embeds: Optional[torch.FloatTensor] = None,
+        labels: Optional[torch.LongTensor] = None,
+        use_cache: Optional[bool] = None,
+        output_attentions: Optional[bool] = None,
+        output_hidden_states: Optional[bool] = None,
+        return_dict: Optional[bool] = None,
+    ) -> Union[Tuple, CausalLMOutputWithPast]:
+        r"""
+        Args:
+            labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
+                Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
+                config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
+                (masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
+
+        Returns:
+
+        Example:
+
+        ```python
+        >>> from transformers import AutoTokenizer, LlamaForCausalLM
+
+        >>> model = LlamaForCausalLM.from_pretrained(PATH_TO_CONVERTED_WEIGHTS)
+        >>> tokenizer = AutoTokenizer.from_pretrained(PATH_TO_CONVERTED_TOKENIZER)
+
+        >>> prompt = "Hey, are you consciours? Can you talk to me?"
+        >>> inputs = tokenizer(prompt, return_tensors="pt")
+
+        >>> # Generate
+        >>> generate_ids = model.generate(inputs.input_ids, max_length=30)
+        >>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
+        "Hey, are you consciours? Can you talk to me?\nI'm not consciours, but I can talk to you."
+        ```"""
+
+        output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
+        output_hidden_states = (
+            output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
+        )
+        return_dict = return_dict if return_dict is not None else self.config.use_return_dict
+
+        # decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
+        outputs = self.model(
+            input_ids=input_ids,
+            attention_mask=attention_mask,
+            position_ids=position_ids,
+            past_key_values=past_key_values,
+            inputs_embeds=inputs_embeds,
+            query_embeds=query_embeds,
+            use_cache=use_cache,
+            output_attentions=output_attentions,
+            output_hidden_states=output_hidden_states,
+            return_dict=return_dict,
+        )
+
+        hidden_states = outputs[0]
+        logits = self.lm_head(hidden_states)
+
+        loss = None
+        if labels is not None:
+            # Shift so that tokens < n predict n
+            shift_logits = logits[..., :-1, :].contiguous()
+            shift_labels = labels[..., 1:].contiguous()
+            # Flatten the tokens
+            loss_fct = CrossEntropyLoss()
+            shift_logits = shift_logits.view(-1, self.config.vocab_size)
+            shift_labels = shift_labels.view(-1)
+            # Enable model parallelism
+            shift_labels = shift_labels.to(shift_logits.device)
+            loss = loss_fct(shift_logits, shift_labels)
+
+        if not return_dict:
+            output = (logits,) + outputs[1:]
+            return (loss,) + output if loss is not None else output
+
+        return CausalLMOutputWithPast(
+            loss=loss,
+            logits=logits,
+            past_key_values=outputs.past_key_values,
+            hidden_states=outputs.hidden_states,
+            attentions=outputs.attentions,
+        )
+
+    def prepare_inputs_for_generation(
+        self, input_ids, query_embeds=None, past_key_values=None, attention_mask=None, inputs_embeds=None, **kwargs
+    ):
+        if past_key_values:
+            input_ids = input_ids[:, -1:]
+
+        position_ids = kwargs.get("position_ids", None)
+        if attention_mask is not None and position_ids is None:
+            # create position_ids on the fly for batch generation
+            position_ids = attention_mask.long().cumsum(-1) - 1
+            position_ids.masked_fill_(attention_mask == 0, 1)
+            if past_key_values:
+                position_ids = position_ids[:, -1].unsqueeze(-1)
+                query_embeds = None
+
+        # if `inputs_embeds` are passed, we only want to use them in the 1st generation step
+        if inputs_embeds is not None and past_key_values is None:
+            model_inputs = {"inputs_embeds": inputs_embeds}
+        else:
+            model_inputs = {"input_ids": input_ids}
+
+        model_inputs.update(
+            {
+                "position_ids": position_ids,
+                "query_embeds": query_embeds,
+                "past_key_values": past_key_values,
+                "use_cache": kwargs.get("use_cache"),
+                "attention_mask": attention_mask,
+            }
+        )
+        return model_inputs
+
+    @staticmethod
+    def _reorder_cache(past_key_values, beam_idx):
+        reordered_past = ()
+        for layer_past in past_key_values:
+            reordered_past += (tuple(past_state.index_select(0, beam_idx) for past_state in layer_past),)
+        return reordered_past
+
+
+@registry.register_model("musilingo")
+class MusiLingo(BaseModel):
+    """
+    MERT GPT-LLAMA model.
+    """
+
+    PRETRAINED_MODEL_CONFIG_DICT = {
+        "pretrain_vicuna": "configs/models/musilingo.yaml",
+    }
+
+    def __init__(
+        self,
+        mert_model,
+        llama_model,
+        config,
+        prompt_path="",
+        prompt_template="",
+        max_txt_len=32,
+        end_sym='\n',
+        low_resource=False,  # use 8 bit and put vit in cpu
+        device_8bit=0,  # the device of 8bit model should be set when loading and cannot be changed anymore.
+    ):
+        super().__init__()
+
+        self.low_resource = low_resource
+
+        print('Loading Audio Encoder')
+        self.audio_encoder = AutoModel.from_pretrained(mert_model, trust_remote_code=True)
+        # loading the corresponding preprocessor config
+        self.processor = Wav2Vec2FeatureExtractor.from_pretrained(mert_model, trust_remote_code=True)
+
+        for name, param in self.audio_encoder.named_parameters():
+            param.requires_grad = False
+        self.audio_encoder = self.audio_encoder.eval()
+
+        print('Loading Audio Encoder Done')
+
+        print('Loading LLAMA')
+        self.llama_tokenizer = LlamaTokenizer.from_pretrained(llama_model, use_fast=False)
+        self.llama_tokenizer.pad_token = self.llama_tokenizer.eos_token
+
+        if self.low_resource:
+            self.llama_model = LlamaForCausalLM.from_pretrained(
+                llama_model,
+                torch_dtype=torch.float16,
+                load_in_8bit=True,
+                device_map={'': device_8bit}
+            )
+        else:
+            self.llama_model = LlamaForCausalLM.from_pretrained(
+                llama_model,
+                torch_dtype=torch.float16,
+            )
+
+        for name, param in self.llama_model.named_parameters():
+            param.requires_grad = False
+        print('Loading LLAMA Done')
+
+        self.llama_proj = nn.Linear(
+            self.audio_encoder.config.hidden_size, self.llama_model.config.hidden_size
+        )
+        self.max_txt_len = max_txt_len
+        self.end_sym = end_sym
+
+        self.prompt_template = prompt_template
+
+        if prompt_path:
+            with open(prompt_path, 'r') as f:
+                raw_prompts = f.read().splitlines()
+            filted_prompts = [raw_prompt for raw_prompt in raw_prompts if "<AudioHere>" in raw_prompt]
+            self.prompt_list = [prompt_template.format(p) for p in filted_prompts]
+            print('Load {} training prompts'.format(len(self.prompt_list)))
+            print('Prompt Example \n{}'.format(random.choice(self.prompt_list)))
+        else:
+            self.prompt_list = []
+
+    def audioenc_to_cpu(self):
+        self.audio_encoder.to("cpu")
+        self.audio_encoder.float()
+
+    def encode_audio(self, audio, attn=None):
+        device = audio.device
+        if self.low_resource:
+            self.audioenc_to_cpu()
+            audio = audio.to("cpu")
+
+        if attn is None:
+
+            audio_embeds = torch.stack(self.audio_encoder(input_values=audio, 
+                                                          output_hidden_states=True).hidden_states) # [25, B, T, 1024]
+            audio_embeds = audio_embeds.transpose(0, 1).mean(-3) #[B, T, 1024]
+
+        else:
+  
+            audio_embeds = torch.stack(self.audio_encoder(input_values=audio, 
+                                                          output_hidden_states=True, 
+                                                          attention_mask=attn).hidden_states) # [25, B, T, 1024]
+            audio_embeds = audio_embeds.transpose(0, 1).mean(-3) #[B, T, 1024]
+            
+        # Average time steps:
+        t = 325
+        B, T, D = audio_embeds.shape
+        avg_tmp = audio_embeds[:, :T//t*t].reshape(B, T//t, t, D).mean(2)
+
+        # Average the remaining steps
+        if T % t > 0:
+          avg_last = audio_embeds[:, T//t*t:].reshape(B, 1, T%t, D).mean(2)
+          audio_embeds = torch.concat([avg_tmp, avg_last], dim=1)
+        else:
+          audio_embeds = avg_tmp
+        audio_embeds = audio_embeds.to(device)
+        inputs_llama = self.llama_proj(audio_embeds)
+        atts_llama = torch.ones(inputs_llama.size()[:-1], dtype=torch.long).to(audio.device)
+        return inputs_llama, atts_llama
+
+    def prompt_wrap(self, audio_embeds, atts_audio, prompt):
+        if prompt:
+            batch_size = audio_embeds.shape[0]
+            p_before, p_after = prompt.split('<AudioHere>')
+            p_before_tokens = self.llama_tokenizer(
+                p_before, return_tensors="pt", add_special_tokens=False).to(audio_embeds.device)
+            p_after_tokens = self.llama_tokenizer(
+                p_after, return_tensors="pt", add_special_tokens=False).to(audio_embeds.device)
+            p_before_embeds = self.llama_model.model.embed_tokens(p_before_tokens.input_ids).expand(batch_size, -1, -1)
+            p_after_embeds = self.llama_model.model.embed_tokens(p_after_tokens.input_ids).expand(batch_size, -1, -1)
+            wrapped_audio_embeds = torch.cat([p_before_embeds, audio_embeds, p_after_embeds], dim=1)
+            wrapped_atts_audio = atts_audio[:, :1].expand(-1, wrapped_audio_embeds.shape[1])
+            return wrapped_audio_embeds, wrapped_atts_audio
+        else:
+            return audio_embeds, atts_audio
+        
+    def instruction_prompt_wrap(self, audio_embeds, atts_audio, prompt):
+        if prompt:
+            batch_size = audio_embeds.shape[0]
+            p_before = []
+            p_after = []
+
+            for i in range(batch_size):
+                p_b, p_a = prompt[i].split('<AudioHere>')
+                p_before.append(p_b)
+                p_after.append(p_a)
+  
+            p_before_tokens = self.llama_tokenizer(
+                p_before, return_tensors="pt", padding='longest', add_special_tokens=False).to(audio_embeds.device)
+            p_after_tokens = self.llama_tokenizer(
+                p_after, return_tensors="pt", padding='longest', add_special_tokens=False).to(audio_embeds.device)
+            p_before_embeds = self.llama_model.model.embed_tokens(p_before_tokens.input_ids)
+            p_after_embeds = self.llama_model.model.embed_tokens(p_after_tokens.input_ids)
+            wrapped_audio_embeds = torch.cat([p_before_embeds, audio_embeds, p_after_embeds], dim=1)
+            wrapped_atts_audio = torch.cat([p_before_tokens.attention_mask, atts_audio, p_after_tokens.attention_mask], dim=1)
+            return wrapped_audio_embeds, wrapped_atts_audio
+        else:
+            return audio_embeds, atts_audio
+
+
+    def forward(self, samples):
+        audio = samples["audio"]
+        attn = samples["attention_mask"] if "attention_mask" in samples else None
+        audio_embeds, atts_audio = self.encode_audio(audio, attn)
+
+        if 'instruction_input' in samples:  # instruction tuning dataset
+            instruction_prompt = []
+            for instruction in samples['instruction_input']:
+                prompt = '<Audio><AudioHere></Audio> ' + instruction
+                instruction_prompt.append(self.prompt_template.format(prompt))
+            audio_embeds, atts_audio = self.instruction_prompt_wrap(audio_embeds, atts_audio, instruction_prompt)
+
+        elif self.prompt_list:
+            prompt = random.choice(self.prompt_list)
+            audio_embeds, atts_audio = self.prompt_wrap(audio_embeds, atts_audio, prompt)
+
+        self.llama_tokenizer.padding_side = "right"
+
+        text = [t + self.end_sym for t in samples["text_input"]]
+
+        to_regress_tokens = self.llama_tokenizer(
+            text,
+            return_tensors="pt",
+            padding="longest",
+            truncation=True,
+            max_length=self.max_txt_len,
+            add_special_tokens=False
+        ).to(audio.device)
+
+        targets = to_regress_tokens.input_ids.masked_fill(
+            to_regress_tokens.input_ids == self.llama_tokenizer.pad_token_id, -100
+        )
+
+        empty_targets = (
+            torch.ones([atts_audio.shape[0], atts_audio.shape[1]+1],
+                       dtype=torch.long).to(audio.device).fill_(-100)  # plus one for bos
+        )
+        targets = torch.cat([empty_targets, targets], dim=1)
+
+        batch_size = audio_embeds.shape[0]
+        bos = torch.ones([batch_size, 1],
+                         dtype=to_regress_tokens.input_ids.dtype,
+                         device=to_regress_tokens.input_ids.device) * self.llama_tokenizer.bos_token_id
+        bos_embeds = self.llama_model.model.embed_tokens(bos)
+        atts_bos = atts_audio[:, :1]
+
+        to_regress_embeds = self.llama_model.model.embed_tokens(to_regress_tokens.input_ids)
+        inputs_embeds = torch.cat([bos_embeds, audio_embeds, to_regress_embeds], dim=1)
+        attention_mask = torch.cat([atts_bos, atts_audio, to_regress_tokens.attention_mask], dim=1)
+
+        outputs = self.llama_model(
+            inputs_embeds=inputs_embeds,
+            attention_mask=attention_mask,
+            return_dict=True,
+            labels=targets,
+        )
+        loss = outputs.loss
+
+        return {"loss": loss}
+
+    @classmethod
+    def from_config(cls, cfg):
+        mert_model = cfg.get("mert_model", "")
+        llama_model = cfg.get("llama_model")
+
+        low_resource = cfg.get("low_resource", False)
+        device_8bit = cfg.get("device_8bit", 0)
+
+        prompt_path = cfg.get("prompt_path", "")
+        prompt_template = cfg.get("prompt_template", "")
+        max_txt_len = cfg.get("max_txt_len", 32)
+        end_sym = cfg.get("end_sym", '\n')
+
+        model = cls(
+            mert_model=mert_model,
+            llama_model=llama_model,
+            prompt_path=prompt_path,
+            prompt_template=prompt_template,
+            max_txt_len=max_txt_len,
+            end_sym=end_sym,
+            low_resource=low_resource,
+            device_8bit=device_8bit,
+        )
+
+        ckpt_path = cfg.get("ckpt", "")  # load ckpt weights of MusiLingo
+        if ckpt_path:
+            print("Load MERT-LLM Checkpoint: {}".format(ckpt_path))
+            ckpt = torch.load(ckpt_path, map_location="cpu")
+            msg = model.load_state_dict(ckpt['model'], strict=False)
+
+        return model
+
+
+class MusilingoModel(PreTrainedModel):
+    config_class = MusiLingoConfig
+    def __init__(self, config):
+        super().__init__(config)
+        self.model = MusiLingo(
+            mert_model=config.mert_model,
+            llama_model=config.llama_model,
+            config=config,
+            prompt_path=config.prompt_path,
+            prompt_template=config.prompt_template,
+            max_txt_len=config.max_txt_len,
+            end_sym=config.end_sym,
+            low_resource=config.low_resource,
+            device_8bit=config.device_8bit
+            # self.linear_ckpt_path = config.linear_ckpt_path``
+        )
+        
+    
+    def forward(self, tensor):
+        return self.model.forward(tensor)