Saving train state of step 5000

.gitignore

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+wandb

accelerate_config.yaml

@@ -0,0 +1,18 @@
+compute_environment: LOCAL_MACHINE
+debug: false
+distributed_type: MULTI_GPU
+downcast_bf16: 'no'
+enable_cpu_affinity: false
+gpu_ids: all
+machine_rank: 0
+main_training_function: main
+mixed_precision: bf16
+num_machines: 1
+num_processes: 8
+rdzv_backend: static
+same_network: true
+tpu_env: []
+tpu_use_cluster: false
+tpu_use_sudo: false
+use_cpu: false
+

checkpoint-5000-epoch-0/config.json

@@ -0,0 +1,27 @@
+{
+  "_name_or_path": "sanchit-gandhi/Mistral-1.5B-Instruct-v0.2",
+  "architectures": [
+    "MistralForCausalLM"
+  ],
+  "attention_dropout": 0.0,
+  "bos_token_id": 1,
+  "eos_token_id": 2,
+  "hidden_act": "silu",
+  "hidden_size": 4096,
+  "initializer_range": 0.02,
+  "intermediate_size": 14336,
+  "max_position_embeddings": 32768,
+  "model_type": "mistral",
+  "num_attention_heads": 32,
+  "num_hidden_layers": 6,
+  "num_key_value_heads": 8,
+  "output_router_logits": true,
+  "rms_norm_eps": 1e-05,
+  "rope_theta": 1000000.0,
+  "sliding_window": null,
+  "tie_word_embeddings": false,
+  "torch_dtype": "bfloat16",
+  "transformers_version": "4.40.0.dev0",
+  "use_cache": true,
+  "vocab_size": 32000
+}

checkpoint-5000-epoch-0/generation_config.json

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+{
+  "_from_model_config": true,
+  "bos_token_id": 1,
+  "eos_token_id": 2,
+  "max_length": 2048,
+  "transformers_version": "4.40.0.dev0"
+}

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config.json

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+{
+  "_name_or_path": "sanchit-gandhi/Mistral-1.5B-Instruct-v0.2",
+  "architectures": [
+    "MistralForCausalLM"
+  ],
+  "attention_dropout": 0.0,
+  "bos_token_id": 1,
+  "eos_token_id": 2,
+  "hidden_act": "silu",
+  "hidden_size": 4096,
+  "initializer_range": 0.02,
+  "intermediate_size": 14336,
+  "max_position_embeddings": 32768,
+  "model_type": "mistral",
+  "num_attention_heads": 32,
+  "num_hidden_layers": 6,
+  "num_key_value_heads": 8,
+  "output_router_logits": true,
+  "rms_norm_eps": 1e-05,
+  "rope_theta": 1000000.0,
+  "sliding_window": null,
+  "tie_word_embeddings": false,
+  "torch_dtype": "float32",
+  "transformers_version": "4.40.0.dev0",
+  "use_cache": true,
+  "vocab_size": 32000
+}

config_mistral.yaml

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+# Model arguments
+model_name_or_path: sanchit-gandhi/Mistral-1.5B-Instruct-v0.2
+teacher_model_name_or_path: mistralai/Mistral-7B-Instruct-v0.2
+tokenizer_name: mistralai/Mistral-7B-Instruct-v0.2
+dtype: bfloat16
+load_teacher_in_4bit: true
+
+# Data arguments
+train_dataset_name: HuggingFaceTB/cosmopedia
+train_dataset_config_name:
+  - auto_math_text
+  - khanacademy
+  - openstax
+  - stanford
+  - stories
+  - web_samples_v1
+  - web_samples_v2
+  - wikihow
+train_split_name: train[1000:]
+eval_split_name: train[:1000]
+max_steps: 100000
+max_train_samples: 10000000
+
+# Training arguments
+do_train: true
+do_eval: true
+per_device_eval_batch_size: 8
+per_device_train_batch_size: 8
+learning_rate: 0.0001
+warmup_steps: 500
+gradient_checkpointing: true
+dataloader_num_workers: 4
+preprocessing_num_workers: 32
+ddp_timeout: 7200
+save_strategy: steps
+save_steps: 5000
+evaluation_strategy: steps
+eval_steps: 5000
+logging_steps: 25
+output_router_logits: true
+report_to: all
+output_dir: ./
+overwrite_output_dir: false
+save_total_limit: 1
+wandb_project: distil-mistral
+push_to_hub: true
+

distil-mistral/1713805949.3655071/events.out.tfevents.1713805949.ip-26-0-163-236.1916906.1

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distil-mistral/1713805949.3694406/hparams.yml

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+adam_beta1: 0.9
+adam_beta2: 0.999
+global_batch_size: 64
+gradient_accumulation_steps: 1
+learning_rate: 0.0001
+lr_scheduler_type: !!python/object/apply:transformers.trainer_utils.SchedulerType
+- linear
+max_steps: 100000
+mixed_precision: bf16
+model_name_or_path: sanchit-gandhi/Mistral-1.5B-Instruct-v0.2
+num_train_epochs: 3.0
+per_device_train_batch_size: 8
+teacher_name_or_path: mistralai/Mistral-7B-Instruct-v0.2
+temperature: 2.0
+warmup_steps: 500
+weight_decay: 0.0

distil-mistral/events.out.tfevents.1713805939.ip-26-0-163-236.1916906.0

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generation_config.json

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+{
+  "_from_model_config": true,
+  "bos_token_id": 1,
+  "eos_token_id": 2,
+  "max_length": 2048,
+  "transformers_version": "4.40.0.dev0"
+}

run_distillation.py

@@ -0,0 +1,1528 @@
+#!/usr/bin/env python
+# coding=utf-8
+# Copyright 2023 The HuggingFace Inc. team. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+Training langauge models Whisper model for conditional language modelling tasks via teacher-student distillation.
+"""
+# You can also adapt this script for your own distillation tasks. Pointers for this are left as comments.
+
+import logging
+import math
+import os
+import re
+import shutil
+import sys
+import time
+from dataclasses import dataclass, field
+from functools import partial
+from pathlib import Path
+from typing import Dict, List, Optional, Union
+
+import datasets
+import numpy as np
+import torch
+import torch.nn as nn
+import transformers
+from accelerate import Accelerator
+from accelerate.logging import get_logger
+from datasets import (
+    Dataset,
+    DatasetDict,
+    IterableDataset,
+    IterableDatasetDict,
+    concatenate_datasets,
+    interleave_datasets,
+    load_dataset,
+)
+from huggingface_hub import create_repo, get_full_repo_name, upload_folder
+from peft import LoraConfig, get_peft_model
+from torch.utils.data import DataLoader
+from tqdm import tqdm
+from transformers import (
+    AutoConfig,
+    AutoModelForCausalLM,
+    AutoTokenizer,
+    BatchEncoding,
+    BitsAndBytesConfig,
+    HfArgumentParser,
+    PreTrainedTokenizerBase,
+    Seq2SeqTrainingArguments,
+    get_scheduler,
+    set_seed,
+)
+from transformers.utils import check_min_version
+from transformers.utils.versions import require_version
+
+
+# Will error if the minimal version of Transformers is not installed. Remove at your own risks.
+check_min_version("4.34.0.dev0")
+
+require_version("datasets>=2.14.6", "To fix: `pip install --upgrade datasets`")
+
+logger = get_logger(__name__)
+
+
+@dataclass
+class ModelArguments:
+    """
+    Arguments pertaining to which model/config/tokenizer we are going to distill from.
+    """
+
+    model_name_or_path: str = field(
+        metadata={"help": "Path to pretrained Whisper model or model identifier from huggingface.co/models"}
+    )
+    teacher_model_name_or_path: str = field(
+        metadata={"help": "Path to pretrained teacher model or model identifier from huggingface.co/models"}
+    )
+    config_name: Optional[str] = field(
+        default=None,
+        metadata={"help": "Pretrained config name or path if not the same as model_name"},
+    )
+    tokenizer_name: Optional[str] = field(
+        default=None,
+        metadata={"help": "Pretrained tokenizer name or path if not the same as model_name"},
+    )
+    cache_dir: Optional[str] = field(
+        default=None,
+        metadata={"help": "Where to store the pretrained models downloaded from huggingface.co"},
+    )
+    use_fast_tokenizer: bool = field(
+        default=True,
+        metadata={"help": "Whether to use one of the fast tokenizer (backed by the tokenizers library) or not."},
+    )
+    model_revision: str = field(
+        default="main",
+        metadata={"help": "The specific model version to use (can be a branch name, tag name or commit id)."},
+    )
+    subfolder: str = field(
+        default="",
+        metadata={
+            "help": "In case the relevant files are located inside a subfolder of the model repo on huggingface.co, you can"
+            "specify the folder name here."
+        },
+    )
+    token: str = field(
+        default=None,
+        metadata={
+            "help": (
+                "The token to use as HTTP bearer authorization for remote files. If not specified, will use the token "
+                "generated when running `huggingface-cli login` (stored in `~/.huggingface`)."
+            )
+        },
+    )
+    attn_implementation: Optional[str] = field(
+        default=None,
+        metadata={
+            "help": (
+                "Which attention implementation to use in the encoder and decoder attention layers. Can be one of:\n"
+                "1. `eager` or `None`: default Transformers attention implementation.\n"
+                "2. `sdpa`: Flash Attention through PyTorch SDPA. Requires `torch>=2.1`. Recommended for hardware where Flash Attention 2 is not supported, e.g. Turing GPUs, (T4, RTX 2080).\n"
+                "3. `flash_attn_2`: Flash Attention 2 through the Flash Attention package https://github.com/Dao-AILab/flash-attention. **Always** recommended on supported hardware (Ampere, Ada, or Hopper GPUs, e.g., A100, RTX 3090, RTX 4090, H100)."
+            )
+        },
+    )
+    load_teacher_in_8bit: bool = field(default=False, metadata={"help": "Use 8 bit precision for the teacher model."})
+    load_teacher_in_4bit: bool = field(default=False, metadata={"help": "Use 4 bit precision for the teacher model."})
+    load_student_in_8bit: bool = field(default=False, metadata={"help": "Use 8 bit precision for the student model."})
+    load_student_in_4bit: bool = field(default=False, metadata={"help": "Use 4 bit precision for the student model."})
+    bnb_4bit_quant_type: Optional[str] = field(
+        default="nf4", metadata={"help": "Quantization type if the teacher is quantized (fp4 or nf4)"}
+    )
+    use_bnb_nested_quant: bool = field(default=False, metadata={"help": "Whether or not to use nested quantization."})
+    lora_r: Optional[int] = field(
+        default=16,
+        metadata={"help": "LoRA R value."},
+    )
+    lora_alpha: Optional[int] = field(
+        default=32,
+        metadata={"help": "LoRA alpha."},
+    )
+    lora_dropout: Optional[float] = field(
+        default=0.05,
+        metadata={"help": "LoRA dropout."},
+    )
+    lora_target_modules: Optional[List[str]] = field(
+        default=None,
+        metadata={"help": "LoRA target modules."},
+    )
+    lora_modules_to_save: Optional[List[str]] = field(
+        default=None,
+        metadata={"help": "Model layers to unfreeze & train"},
+    )
+    instruction_model: Optional[bool] = field(
+        default=None,
+        metadata={"help": "Whether or not the pre-trained model is instruction tuned"},
+    )
+
+
+@dataclass
+class DataTrainingArguments:
+    """
+    Arguments pertaining to what data we are going to input our model for training and eval.
+    """
+
+    train_dataset_name: List[str] = field(
+        default=None,
+        metadata={
+            "help": "The name of the training dataset to use (via the datasets library). Load and combine "
+            "multiple datasets by separating dataset ids by a '+' symbol. For example, to load LibriSpeech "
+            "and Common Voice, set `train_dataset_name='librispeech_asr+common_voice'`."
+        },
+    )
+    train_dataset_config_name: Optional[List[str]] = field(
+        default=None,
+        metadata={
+            "help": "The configuration name of the training dataset to use (via the datasets library). Load and combine "
+            "multiple datasets by separating dataset configs by a '+' symbol. Note that the order of the configs should "
+            "match the order of the datasets."
+        },
+    )
+    train_dataset_samples: Optional[List[str]] = field(
+        default=None,
+        metadata={
+            "help": "Number of samples in each dataset when loading multiple datasets with streaming mode. "
+            "Not required when using one dataset or non-streaming mode. The sample values provide the sampling "
+            "probability for each dataset. Setting them equal to the number of sample values ensures that every "
+            "sample from every dataset is used once per epoch."
+        },
+    )
+    eval_dataset_name: Optional[List[str]] = field(
+        default=None,
+        metadata={
+            "help": "The name of the evaluation dataset to use (via the datasets library). Defaults to the training "
+            "dataset name if unspecified. Load multiple evaluation datasets by separating dataset "
+            "ids by a '+' symbol."
+        },
+    )
+    eval_dataset_config_name: Optional[List[str]] = field(
+        default=None,
+        metadata={
+            "help": "The configuration name of the evaluation dataset to use (via the datasets library). Defaults to the "
+            "training dataset config name if unspecified."
+        },
+    )
+    dataset_cache_dir: Optional[str] = field(
+        default=None,
+        metadata={"help": "Path to cache directory for saving and loading datasets"},
+    )
+    overwrite_cache: bool = field(
+        default=False,
+        metadata={"help": "Overwrite the cached training and evaluation sets"},
+    )
+    preprocessing_num_workers: Optional[int] = field(
+        default=None,
+        metadata={"help": "The number of processes to use for the preprocessing if using non-streaming mode."},
+    )
+    max_train_samples: Optional[int] = field(
+        default=None,
+        metadata={
+            "help": (
+                "For debugging purposes or quicker training, truncate the number of training examples to this value if set."
+            )
+        },
+    )
+    max_eval_samples: Optional[int] = field(
+        default=None,
+        metadata={
+            "help": (
+                "For debugging purposes or quicker training, truncate the number of evaluation examples to this value if set."
+            )
+        },
+    )
+    text_column_name: str = field(
+        default=None,
+        metadata={"help": "The name of the dataset column containing the generated text data in the training set."},
+    )
+    prompt_column_name: str = field(
+        default=None,
+        metadata={"help": "The name of the dataset column containing the prompt data. Defaults to 'prompt'"},
+    )
+    eval_text_column_name: str = field(
+        default=None,
+        metadata={"help": "The name of the dataset column containing the generated text data in the evaluation set."},
+    )
+    eval_prompt_column_name: str = field(
+        default=None,
+        metadata={"help": "The name of the dataset column containing the prompt data in the evaluation set."},
+    )
+    max_label_length: int = field(
+        default=2048,
+        metadata={"help": "Truncate target labels that are longer `max_label_length` tokens."},
+    )
+    pad_target_to_multiple_of: Optional[int] = field(
+        default=None,
+        metadata={
+            "help": (
+                "If set will pad the target sequence to a multiple of the provided value. This is important to "
+                "avoid triggering recompilations when using torch compile. If unspecified, will default to padding "
+                "the targets to max length."
+            )
+        },
+    )
+    preprocessing_only: bool = field(
+        default=False,
+        metadata={
+            "help": (
+                "Whether to only do data preprocessing and skip training. This is especially useful when data "
+                "preprocessing errors out in distributed training due to timeout. In this case, one should run the "
+                "preprocessing in a non-distributed setup with `preprocessing_only=True` so that the cached datasets "
+                "can consequently be loaded in distributed training"
+            )
+        },
+    )
+    train_split_name: Optional[List[str]] = field(
+        default=lambda: ["train"],
+        metadata={
+            "help": "The name of the training data set split to use (via the datasets library). Defaults to 'train'"
+        },
+    )
+    eval_split_name: Optional[List[str]] = field(
+        default=lambda: ["validation"],
+        metadata={
+            "help": (
+                "The name of the evaluation data set split to use (via the datasets library). Defaults to 'validation'"
+            )
+        },
+    )
+    streaming: bool = field(
+        default=False,
+        metadata={"help": "Whether to use Datasets' streaming mode to load and pre-process the data."},
+    )
+    wandb_project: str = field(
+        default="distil-mistral",
+        metadata={"help": "The name of the wandb project."},
+    )
+
+
+@dataclass
+class DistillationTrainingArguments(Seq2SeqTrainingArguments):
+    freeze_lm_head: Optional[bool] = field(
+        default=False, metadata={"help": "Whether to freeze the LM head of the student model."}
+    )
+    temperature: Optional[float] = field(
+        default=2.0, metadata={"help": "Temperature to anneal the logits when computing the softmax."}
+    )
+    kl_weight: Optional[float] = field(
+        default=1.0,
+        metadata={
+            "help": (
+                "Weighting assigned to the MSE loss in the KD formulation. MSE loss is "
+                "computed between the teacher-student hidden states and attentions."
+            )
+        },
+    )
+    output_router_logits: bool = field(
+        default=False,
+        metadata={
+            "help": "Whether or not to return the router logits in the forward pass. Enabling this will "
+            "also configure the model to compute the auxiliary loss."
+        },
+    )
+    dtype: Optional[str] = field(
+        default="float32",
+        metadata={
+            "help": (
+                "The data type (dtype) in which to run training. One of `float32` (full-precision), "
+                "`float16` or `bfloat16` (both half-precision)."
+            )
+        },
+    )
+
+
+@dataclass
+class DataCollatorCausalLMWithPadding:
+    """
+    Data collator that will dynamically pad the inputs received.
+    Args:
+        tokenizer ([`PreTrainedTokenizer`])
+            The tokenizer used for tokenizing the data.
+        target_padding (:obj:`bool`, :obj:`str` or :class:`~transformers.tokenization_utils_base.PaddingStrategy`, `optional`, defaults to :obj:`True`):
+            Select a strategy to pad the returned target sequences (according to the model's padding side and padding index).
+            See above for details.
+        max_target_length (:obj:`int`, `optional`):
+            Maximum length of the ``labels`` of the returned list and optionally padding length (see above).
+    """
+
+    tokenizer: PreTrainedTokenizerBase
+    target_padding: Union[bool, str] = "max_length"
+    max_target_length: Optional[int] = None
+
+    def __call__(self, features: List[Dict[str, Union[List[int], np.ndarray]]]) -> BatchEncoding:
+        # dataloader returns a list of features which we convert to a dict
+        label_features = {"input_ids": [feature["labels"] for feature in features]}
+        label_lengths = [len(feature["labels"]) for feature in features]
+        prompt_lengths = [feature["prompt_length"] for feature in features]
+
+        batch = self.tokenizer.pad(
+            label_features,
+            max_length=self.max_target_length,
+            padding=self.target_padding,
+            return_tensors="pt",
+        )
+
+        labels_mask = batch["attention_mask"]
+
+        # don't include prompts in loss calculation
+        for idx in range(len(prompt_lengths)):
+            padding_length = labels_mask.shape[1] - label_lengths[idx]
+            labels_mask[idx, padding_length : padding_length + prompt_lengths[idx]] = 0
+
+        # replace padding with -100 to ignore loss correctly
+        labels = batch["input_ids"].masked_fill(labels_mask.ne(1), -100)
+
+        batch["labels"] = labels
+
+        return batch
+
+
+def log_metric(
+    accelerator,
+    metrics: Dict,
+    train_time: float,
+    step: int,
+    epoch: int,
+    learning_rate: float = None,
+    prefix: str = "train",
+):
+    """Helper function to log all training/evaluation metrics with the correct prefixes and styling."""
+    log_metrics = {}
+    for k, v in metrics.items():
+        log_metrics[f"{prefix}/{k}"] = v
+    log_metrics[f"{prefix}/time"] = train_time
+    log_metrics[f"{prefix}/epoch"] = epoch
+    if learning_rate is not None:
+        log_metrics[f"{prefix}/learning_rate"] = learning_rate
+    accelerator.log(log_metrics, step=step)
+
+
+def log_pred(
+    accelerator,
+    pred_str: List[str],
+    label_str: List[str],
+    step: int,
+    epoch: int,
+    evaluation_strategy: str,
+    prefix: str = "eval",
+    num_lines: int = 200000,
+):
+    """Helper function to log target/predicted transcriptions to weights and biases (wandb)."""
+    if accelerator.is_main_process:
+        wandb_tracker = accelerator.get_tracker("wandb")
+        # pretty name for current step: step 50000 -> step 50k
+        cur_step_pretty = f"{int(step // 1000)}k" if step > 1000 else step
+        prefix_pretty = prefix.replace("/", "-")
+
+        if evaluation_strategy == "epoch":
+            table_name = f"predictions/{prefix_pretty}-epoch-{epoch}"
+        else:
+            table_name = f"predictions/{prefix_pretty}-step-{cur_step_pretty}"
+
+        # convert str data to a wandb compatible format
+        str_data = [[label_str[i], pred_str[i]] for i in range(len(pred_str))]
+        # log as a table with the appropriate headers
+        wandb_tracker.log_table(
+            table_name=table_name,
+            columns=["Target", "Pred"],
+            data=str_data[:num_lines],
+            step=step,
+        )
+
+
+def convert_dataset_str_to_list(
+    dataset_names,
+    dataset_config_names,
+    splits=None,
+    text_column_names=None,
+    prompt_column_names=None,
+    dataset_samples=None,
+    default_split="train",
+) -> List[Dict]:
+    """
+    Given three lists of dataset names, configs and splits, this function groups the corresponding
+    names/configs/splits. Each dataset is assigned a unique dictionary with these metadata values, and the
+    function returns a list of dictionaries, one for each dataset.
+    """
+    if isinstance(dataset_names, str):
+        dataset_names = [dataset_names]
+        splits = [splits] if splits else None
+        text_column_names = [text_column_names] if text_column_names else None
+        prompt_column_names = [prompt_column_names] if prompt_column_names else None
+    if isinstance(dataset_config_names, str):
+        dataset_config_names = [dataset_config_names]
+
+    if len(dataset_names) == 1 and len(dataset_config_names) > 1:
+        dataset_names = len(dataset_config_names) * dataset_names
+
+    if isinstance(splits, list) and len(splits) == 1 and len(dataset_config_names) > 1:
+        splits = len(dataset_config_names) * splits
+
+    # basic checks to ensure we've got the right number of datasets/configs/splits/columns/probs
+    if dataset_config_names is not None and len(dataset_names) != len(dataset_config_names):
+        raise ValueError(
+            f"Ensure one config is passed for each dataset, got {len(dataset_names)} datasets and"
+            f" {len(dataset_config_names)} configs."
+        )
+
+    if splits is not None and len(splits) != len(dataset_names):
+        raise ValueError(
+            f"Ensure one split is passed for each dataset, got {len(dataset_names)} datasets and {len(splits)} splits."
+        )
+
+    if text_column_names is not None and len(text_column_names) != len(dataset_names):
+        raise ValueError(
+            f"Ensure one text column name is passed for each dataset, got {len(dataset_names)} datasets and"
+            f" {len(text_column_names)} text column names."
+        )
+
+    if prompt_column_names is not None and len(prompt_column_names) != len(dataset_names):
+        raise ValueError(
+            f"Ensure one prompt column name is passed for each dataset, got {len(dataset_names)} datasets and"
+            f" {len(prompt_column_names)} prompt column names."
+        )
+
+    if dataset_samples is not None:
+        if len(dataset_samples) != len(dataset_names):
+            raise ValueError(
+                f"Ensure one sample is passed for each dataset, got {len(dataset_names)} datasets and "
+                f"{len(dataset_samples)} samples."
+            )
+        dataset_samples = [float(ds_sample) for ds_sample in dataset_samples]
+    else:
+        dataset_samples = [None] * len(dataset_names)
+
+    dataset_config_names = (
+        dataset_config_names if dataset_config_names is not None else ["default" for _ in range(len(dataset_names))]
+    )
+    text_column_names = (
+        text_column_names if text_column_names is not None else ["text" for _ in range(len(dataset_names))]
+    )
+    prompt_column_names = (
+        prompt_column_names if prompt_column_names is not None else ["prompt" for _ in range(len(dataset_names))]
+    )
+    splits = splits if splits is not None else [default_split for _ in range(len(dataset_names))]
+
+    dataset_names_dict = []
+    for i, ds_name in enumerate(dataset_names):
+        dataset_names_dict.append(
+            {
+                "name": ds_name,
+                "config": dataset_config_names[i],
+                "split": splits[i],
+                "text_column_name": text_column_names[i],
+                "prompt_column_name": prompt_column_names[i],
+                "samples": dataset_samples[i],
+            }
+        )
+    return dataset_names_dict
+
+
+def load_multiple_datasets(
+    dataset_names: Union[List, str],
+    dataset_config_names: Union[List, str],
+    splits: Optional[Union[List, str]] = None,
+    text_column_names: Optional[List] = None,
+    prompt_column_names: Optional[List] = None,
+    stopping_strategy: Optional[str] = "first_exhausted",
+    dataset_samples: Optional[Union[List, np.array]] = None,
+    streaming: Optional[bool] = False,
+    seed: Optional[int] = None,
+    accelerator: Optional[Accelerator] = None,
+    **kwargs,
+) -> Union[Dataset, IterableDataset]:
+    dataset_names_dict = convert_dataset_str_to_list(
+        dataset_names, dataset_config_names, splits, text_column_names, prompt_column_names, dataset_samples
+    )
+
+    if dataset_samples is not None:
+        dataset_samples = [ds_dict["samples"] for ds_dict in dataset_names_dict]
+        probabilities = np.array(dataset_samples) / np.sum(dataset_samples)
+    else:
+        probabilities = None
+
+    all_datasets = []
+    # iterate over the datasets we want to interleave
+    for dataset_dict in tqdm(
+        dataset_names_dict,
+        desc="Combining datasets...",
+        disable=not accelerator.is_main_process,
+    ):
+        dataset = load_dataset(
+            dataset_dict["name"],
+            dataset_dict["config"],
+            split=dataset_dict["split"],
+            streaming=streaming,
+            **kwargs,
+        )
+
+        columns_to_keep = {"text"}
+        dataset_features = dataset.features.keys()
+
+        if dataset_dict["text_column_name"] not in dataset_features:
+            raise ValueError(
+                f"Text column name {dataset_dict['text_column_name']} not found in dataset"
+                f" '{dataset_dict['name']}'. Make sure to set `--text_column_name` to the"
+                f" correct text column - one of {', '.join(dataset_features)}."
+            )
+
+        # blanket renaming of all transcription columns to text
+        if dataset_dict["text_column_name"] != "text":
+            dataset = dataset.rename_column(dataset_dict["text_column_name"], "text")
+
+        # blanket renaming of all prompt columns to prompt
+        if dataset_dict["prompt_column_name"] is not None:
+            if dataset_dict["prompt_column_name"] not in dataset_features:
+                raise ValueError(
+                    f"Prompt column name {dataset_dict['prompt_column_name']} not found in dataset"
+                    f" '{dataset_dict['name']}'. Make sure to set `--prompt_column_name` to the"
+                    f" correct prompt column - one of {', '.join(dataset_features)}."
+                )
+            elif dataset_dict["prompt_column_name"] != "prompt":
+                dataset = dataset.rename_column(dataset_dict["prompt_column_name"], "prompt")
+            columns_to_keep.add("prompt")
+
+        dataset = dataset.remove_columns(set(dataset_features - columns_to_keep))
+        all_datasets.append(dataset)
+
+    if len(all_datasets) == 1:
+        # we have a single dataset so just return it as is
+        return all_datasets[0]
+
+    if streaming:
+        interleaved_dataset = interleave_datasets(
+            all_datasets,
+            stopping_strategy=stopping_strategy,
+            probabilities=probabilities,
+            seed=seed,
+        )
+    else:
+        interleaved_dataset = concatenate_datasets(all_datasets)
+
+    # shuffle mixed dataset prior to potentially truncating it
+    interleaved_dataset = interleaved_dataset.shuffle(seed)
+    return interleaved_dataset
+
+
+def sorted_checkpoints(output_dir=None, checkpoint_prefix="checkpoint") -> List[str]:
+    """Helper function to sort saved checkpoints from oldest to newest."""
+    ordering_and_checkpoint_path = []
+
+    glob_checkpoints = [str(x) for x in Path(output_dir).glob(f"{checkpoint_prefix}-*") if os.path.isdir(x)]
+
+    for path in glob_checkpoints:
+        regex_match = re.match(f".*{checkpoint_prefix}-([0-9]+)", path)
+        if regex_match is not None and regex_match.groups() is not None:
+            ordering_and_checkpoint_path.append((int(regex_match.groups()[0]), path))
+
+    checkpoints_sorted = sorted(ordering_and_checkpoint_path)
+    checkpoints_sorted = [checkpoint[1] for checkpoint in checkpoints_sorted]
+    return checkpoints_sorted
+
+
+def rotate_checkpoints(save_total_limit=None, output_dir=None, checkpoint_prefix="checkpoint") -> Union[List, None]:
+    """Helper function to delete old checkpoints."""
+    if save_total_limit is None or save_total_limit <= 0:
+        return
+    # Check if we should delete older checkpoint(s)
+    checkpoints_sorted = sorted_checkpoints(output_dir=output_dir, checkpoint_prefix=checkpoint_prefix)
+    if len(checkpoints_sorted) <= save_total_limit:
+        return
+
+    number_of_checkpoints_to_delete = max(0, len(checkpoints_sorted) - save_total_limit)
+    checkpoints_to_be_deleted = checkpoints_sorted[:number_of_checkpoints_to_delete]
+    for checkpoint in checkpoints_to_be_deleted:
+        logger.info(f"Deleting older checkpoint [{checkpoint}] due to args.save_total_limit")
+        shutil.rmtree(checkpoint, ignore_errors=True)
+    checkpoints_to_be_deleted = [f"*{Path(checkpoint).absolute().name}*"  for checkpoint in checkpoints_to_be_deleted]
+    return checkpoints_to_be_deleted
+
+
+_RE_CHECKPOINT = re.compile(r"^checkpoint-(\d+)-epoch-(\d+)$")
+
+
+def get_last_checkpoint(folder):
+    content = os.listdir(folder)
+    checkpoints = [
+        path
+        for path in content
+        if _RE_CHECKPOINT.search(path) is not None and os.path.isdir(os.path.join(folder, path))
+    ]
+    if len(checkpoints) == 0:
+        return
+    return os.path.join(folder, max(checkpoints, key=lambda x: int(_RE_CHECKPOINT.search(x).groups()[0])))
+
+
+def get_parameter_names(model, forbidden_layer_types, forbidden_module=None):
+    """
+    Returns the names of the model parameters that are not inside a forbidden layer or forbidden module.
+    Can be used to get a subset of parameter names for decay masks, or to exclude parameters from an optimiser
+    (e.g. if the module is frozen).
+    """
+    result = []
+    for name, child in model.named_children():
+        result += [
+            f"{name}.{n}"
+            for n in get_parameter_names(child, forbidden_layer_types, forbidden_module)
+            if not (
+                isinstance(child, tuple(forbidden_layer_types))
+                or (child in tuple(forbidden_module) if forbidden_module is not None else False)
+            )
+        ]
+    # Add model specific parameters (defined with nn.Parameter) since they are not in any child.
+    result += list(model._parameters.keys())
+    return result
+
+
+def get_quantization_config(
+    model_args: ModelArguments, torch_dtype: torch.dtype
+) -> tuple[BitsAndBytesConfig | None, BitsAndBytesConfig | None]:
+    if model_args.load_teacher_in_4bit:
+        quantization_config_teacher = BitsAndBytesConfig(
+            load_in_4bit=True,
+            bnb_4bit_compute_dtype=torch_dtype,
+            bnb_4bit_quant_type=model_args.bnb_4bit_quant_type,
+            bnb_4bit_use_double_quant=model_args.use_bnb_nested_quant,
+        )
+    elif model_args.load_teacher_in_8bit:
+        quantization_config_teacher = BitsAndBytesConfig(load_in_8bit=True)
+    else:
+        quantization_config_teacher = None
+
+    if model_args.load_student_in_4bit:
+        quantization_config_student = BitsAndBytesConfig(
+            load_in_4bit=True,
+            bnb_4bit_compute_dtype=torch_dtype,
+            bnb_4bit_quant_type=model_args.bnb_4bit_quant_type,
+            bnb_4bit_use_double_quant=model_args.use_bnb_nested_quant,
+        )
+    elif model_args.load_student_in_8bit:
+        quantization_config_student = BitsAndBytesConfig(load_in_8bit=True)
+    else:
+        quantization_config_student = None
+
+    return quantization_config_teacher, quantization_config_student
+
+
+def main():
+    # 1. Parse input arguments
+    # We keep distinct sets of args, for cleaner separation of model/data/training related args
+    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, DistillationTrainingArguments))
+
+    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
+        # If we pass only one argument to the script and it's the path to a json file,
+        # let's parse it to get our arguments.
+        model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
+    elif len(sys.argv) == 2 and sys.argv[1].endswith(".yaml"):
+        # If we pass only one argument to the script and it's the path to a yaml file,
+        # let's parse it to get our arguments.
+        model_args, data_args, training_args = parser.parse_yaml_file(yaml_file=os.path.abspath(sys.argv[1]))
+    else:
+        model_args, data_args, training_args = parser.parse_args_into_dataclasses()
+
+    # 2. Initialize the accelerator
+    # We will let the accelerator handle device placement for us in this example
+    # We simply have to specify the training precision and any trackers being used
+    # We'll use the same dtype arguments as our JAX/Flax training script and convert
+    # it to accelerate format
+    if training_args.dtype == "float16":
+        mixed_precision = "fp16"
+        teacher_dtype = torch.float16
+    elif training_args.dtype == "bfloat16":
+        mixed_precision = "bf16"
+        teacher_dtype = torch.bfloat16
+    else:
+        mixed_precision = "no"
+        teacher_dtype = torch.float32
+
+    accelerator = Accelerator(
+        gradient_accumulation_steps=training_args.gradient_accumulation_steps,
+        mixed_precision=mixed_precision,
+        log_with=training_args.report_to,
+        project_dir=training_args.output_dir,
+    )
+
+    accelerator.init_trackers(
+        project_name=data_args.wandb_project,
+        config={
+            "learning_rate": training_args.learning_rate,
+            "model_name_or_path": model_args.model_name_or_path,
+            "teacher_name_or_path": model_args.teacher_model_name_or_path,
+            "num_train_epochs": training_args.num_train_epochs,
+            "max_steps": training_args.max_steps,
+            "gradient_accumulation_steps": training_args.gradient_accumulation_steps,
+            "per_device_train_batch_size": training_args.per_device_train_batch_size,
+            "global_batch_size": training_args.per_device_train_batch_size * accelerator.num_processes,
+            "mixed_precision": mixed_precision,
+            "lr_scheduler_type": training_args.lr_scheduler_type,
+            "warmup_steps": training_args.warmup_steps,
+            "weight_decay": training_args.weight_decay,
+            "adam_beta1": training_args.adam_beta1,
+            "adam_beta2": training_args.adam_beta2,
+            "temperature": training_args.temperature,
+        },
+    )
+
+    # 3. Set-up basic logging
+    # Create one log on every process with the configuration for debugging
+    logging.basicConfig(
+        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
+        datefmt="%m/%d/%Y %H:%M:%S",
+        level=logging.INFO,
+    )
+    # Log a small summary on each proces
+    logger.warning(
+        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}, "
+        f"distributed training: {training_args.parallel_mode.value == 'distributed'}, 16-bits training: {training_args.fp16}"
+    )
+
+    # Set the verbosity to info of the Transformers logger (on main process only)
+    if accelerator.is_local_main_process:
+        datasets.utils.logging.set_verbosity_warning()
+        transformers.utils.logging.set_verbosity_info()
+    else:
+        datasets.utils.logging.set_verbosity_error()
+        transformers.utils.logging.set_verbosity_error()
+    logger.info("Training/evaluation parameters %s", training_args)
+
+    # 4. Detecting last checkpoint and eventually continue from last checkpoint
+    last_checkpoint = None
+    if os.path.isdir(training_args.output_dir) and training_args.do_train and not training_args.overwrite_output_dir:
+        last_checkpoint = get_last_checkpoint(training_args.output_dir)
+        if last_checkpoint is None and len(sorted_checkpoints(training_args.output_dir)) > 0:
+            raise ValueError(
+                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
+                "Use --overwrite_output_dir to overcome."
+            )
+        elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
+            logger.info(
+                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
+                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
+            )
+
+    # 5. Handle the repository creation
+    if accelerator.is_main_process:
+        if training_args.output_dir is not None:
+            os.makedirs(training_args.output_dir, exist_ok=True)
+        if training_args.push_to_hub:
+            if training_args.hub_model_id is None:
+                repo_name = get_full_repo_name(
+                    Path(training_args.output_dir).absolute().name,
+                    token=training_args.hub_token,
+                )
+            else:
+                repo_name = training_args.hub_model_id
+            create_repo(repo_name, exist_ok=True, token=training_args.hub_token)
+
+            with open(os.path.join(training_args.output_dir, ".gitignore"), "w+") as gitignore:
+                if "wandb" not in gitignore:
+                    gitignore.write("wandb\n")
+    accelerator.wait_for_everyone()
+
+    # 6. Load dataset - either streaming or non-streaming (offline)
+    raw_datasets = IterableDatasetDict() if data_args.streaming else DatasetDict()
+
+    # set seed for determinism
+    set_seed(training_args.seed)
+
+    if training_args.do_train:
+        raw_datasets["train"] = load_multiple_datasets(
+            data_args.train_dataset_name,
+            data_args.train_dataset_config_name,
+            splits=data_args.train_split_name,
+            text_column_names=data_args.text_column_name,
+            prompt_column_names=data_args.prompt_column_name,
+            streaming=data_args.streaming,
+            dataset_samples=data_args.train_dataset_samples,
+            seed=training_args.seed,
+            accelerator=accelerator,
+            cache_dir=data_args.dataset_cache_dir,
+            token=model_args.token,
+            num_proc=data_args.preprocessing_num_workers,
+        )
+        raw_datasets_train_features = set(raw_datasets["train"].features.keys())
+
+    if training_args.do_eval:
+        dataset_names_dict = convert_dataset_str_to_list(
+            data_args.eval_dataset_name if data_args.eval_dataset_name else data_args.train_dataset_name,
+            (
+                data_args.eval_dataset_config_name
+                if data_args.eval_dataset_config_name
+                else data_args.train_dataset_config_name
+            ),
+            splits=data_args.eval_split_name,
+            text_column_names=data_args.eval_text_column_name,
+            prompt_column_names=data_args.eval_prompt_column_name,
+        )
+        all_eval_splits = []
+        if len(dataset_names_dict) == 1:
+            # load a single eval set
+            dataset_dict = dataset_names_dict[0]
+            all_eval_splits.append("eval")
+            raw_datasets["eval"] = load_dataset(
+                dataset_dict["name"],
+                dataset_dict["config"],
+                split=dataset_dict["split"],
+                cache_dir=data_args.dataset_cache_dir,
+                token=model_args.token,
+                streaming=data_args.streaming,
+            )
+            if dataset_dict["text_column_name"] != "text":
+                raw_datasets["eval"] = raw_datasets["eval"].rename_column(data_args.eval_text_column_name, "text")
+            if dataset_dict["prompt_column_name"] != "prompt":
+                raw_datasets["eval"] = raw_datasets["eval"].rename_column(data_args.eval_prompt_column_name, "prompt")
+        else:
+            # load multiple eval sets
+            for dataset_dict in dataset_names_dict:
+                pretty_name = f"{dataset_dict['name'].split('/')[-1]}/{dataset_dict['config'].replace('.', '-')}"
+                all_eval_splits.append(pretty_name)
+                raw_datasets[pretty_name] = load_dataset(
+                    dataset_dict["name"],
+                    dataset_dict["config"],
+                    split=dataset_dict["split"],
+                    cache_dir=data_args.dataset_cache_dir,
+                    token=model_args.token,
+                    streaming=data_args.streaming,
+                )
+                # make column names consistent (text, audio)
+                if dataset_dict["text_column_name"] != "text":
+                    raw_datasets[pretty_name] = raw_datasets[pretty_name].rename_column(
+                        dataset_dict["text_column_name"], "text"
+                    )
+                if dataset_dict["prompt_column_name"] != "prompt":
+                    raw_datasets[pretty_name] = raw_datasets[pretty_name].rename_column(
+                        dataset_dict["prompt_column_name"], "prompt"
+                    )
+                raw_datasets[pretty_name] = raw_datasets[pretty_name].remove_columns(
+                    set(raw_datasets[pretty_name].features.keys()) - {"text", "prompt"}
+                )
+
+    if not training_args.do_train and not training_args.do_eval:
+        raise ValueError(
+            "Cannot not train and not do evaluation. At least one of training or evaluation has to be performed."
+        )
+
+    # 7. Load pretrained model, tokenizer, and feature extractor
+    config = AutoConfig.from_pretrained(
+        (model_args.config_name if model_args.config_name else model_args.model_name_or_path),
+        cache_dir=model_args.cache_dir,
+        revision=model_args.model_revision,
+        token=model_args.token,
+    )
+    if training_args.output_router_logits:
+        config.output_router_logits = True
+
+    tokenizer = AutoTokenizer.from_pretrained(
+        (model_args.tokenizer_name if model_args.tokenizer_name else model_args.model_name_or_path),
+        cache_dir=model_args.cache_dir,
+        use_fast=model_args.use_fast_tokenizer,
+        revision=model_args.model_revision,
+        token=model_args.token,
+    )
+    if tokenizer.pad_token_id is None:
+        tokenizer.pad_token = tokenizer.eos_token
+
+    quantization_config_teacher, quantization_config_student = get_quantization_config(
+        model_args, torch_dtype=teacher_dtype
+    )
+
+    # The teacher model can safely be cast to the dtype of training since we don't
+    # update the params
+    teacher_model = AutoModelForCausalLM.from_pretrained(
+        model_args.teacher_model_name_or_path,
+        cache_dir=model_args.cache_dir,
+        token=model_args.token,
+        low_cpu_mem_usage=True,
+        torch_dtype=teacher_dtype,
+        attn_implementation=model_args.attn_implementation,
+        quantization_config=quantization_config_teacher,
+    )
+
+    student_model = AutoModelForCausalLM.from_pretrained(
+        model_args.model_name_or_path,
+        config=config,
+        cache_dir=model_args.cache_dir,
+        revision=model_args.model_revision,
+        subfolder=model_args.subfolder,
+        token=model_args.token,
+        torch_dtype=teacher_dtype,
+        low_cpu_mem_usage=True,
+        attn_implementation=model_args.attn_implementation,
+        quantization_config=quantization_config_student,
+    )
+
+    if quantization_config_student is not None:
+        lora_config = LoraConfig(
+            r=model_args.lora_r,
+            lora_alpha=model_args.lora_alpha,
+            target_modules=model_args.lora_target_modules,
+            lora_dropout=model_args.lora_dropout,
+            bias="none",
+            task_type="CAUSAL_LM",
+        )
+        student_model = get_peft_model(student_model, lora_config)
+
+    if student_model.generation_config.bos_token_id is None or teacher_model.generation_config.bos_token_id is None:
+        raise ValueError(
+            f"Make sure that `generation_config.bos_token_id` is correctly defined for both the "
+            f"student and teacher model. Got {student_model.generation_config.bos_token_id} for the "
+            f"student and {teacher_model.generation_config.bos_token_id} for the teacher."
+        )
+
+    # enable gradient checkpointing if necessary
+    if training_args.gradient_checkpointing:
+        student_model.gradient_checkpointing_enable()
+
+    def set_trainable_parameters(module, requires_grad=False):
+        for param in module.parameters():
+            param.requires_grad = requires_grad
+        module._requires_grad = requires_grad
+
+    # freeze student lm head if necessary
+    if training_args.freeze_lm_head:
+        set_trainable_parameters(student_model.lm_head, requires_grad=False)
+
+    student_model.generation_config.max_length = data_args.max_label_length
+
+    # 8. Save all pre-processed tokenizers/config/generation configs
+    if accelerator.is_main_process:
+        tokenizer.save_pretrained(training_args.output_dir)
+        # save the config and generation config as well
+        config.save_pretrained(training_args.output_dir)
+        student_model.generation_config.save_pretrained(training_args.output_dir)
+
+    accelerator.wait_for_everyone()
+
+
+    # 10. Preprocessing the datasets: we need to combine the prompt and generations and tokenize the targets.
+    # 10.1: Define the pre-processing constants
+    max_label_length = (
+        data_args.max_label_length if data_args.max_label_length is not None else config.max_length
+    )
+    num_workers = data_args.preprocessing_num_workers
+    dataloader_num_workers = training_args.dataloader_num_workers
+    prefetch_factor = training_args.dataloader_prefetch_factor
+    eos_token_id = tokenizer.eos_token_id
+    if model_args.instruction_model is not None:
+        instruction_model = model_args.instruction_model
+    else:
+        instruction_model = "instruct" in model_args.model_name_or_path.lower()
+
+    # 10.2: filter based on maximum number of training/evaluation samples
+    if training_args.do_train and data_args.max_train_samples is not None:
+        raw_datasets["train"] = (
+            raw_datasets["train"].take(data_args.max_train_samples)
+            if data_args.streaming
+            else raw_datasets["train"].select(range(data_args.max_train_samples))
+        )
+
+    if training_args.do_eval and data_args.max_eval_samples is not None:
+        for eval_split in all_eval_splits:
+            raw_datasets[eval_split] = (
+                raw_datasets[eval_split].take(data_args.max_eval_samples)
+                if data_args.streaming
+                else raw_datasets[eval_split].select(range(data_args.max_eval_samples))
+            )
+
+    # 10.3: pre-process training/evaluation datasets
+    def prepare_dataset(example):
+        example["labels"] = tokenizer(example["prompt"] + example["text"]).input_ids
+        if example["labels"][-1] != eos_token_id:
+            example["labels"] += [eos_token_id]
+        example["prompt_length"] = len(tokenizer(example["prompt"]).input_ids)
+        return example
+
+    def prepare_instruction_dataset(example):
+        messages = [
+            {"role": "user", "content": example["prompt"]},
+            {"role": "assistant", "content": example["text"]},
+        ]
+        example["labels"] = tokenizer.apply_chat_template(messages)
+        if example["labels"][-1] != eos_token_id:
+            example["labels"] = example["labels"][:-1]
+
+        example["prompt_length"] = len(tokenizer.apply_chat_template([messages[0]]))
+        return example
+
+    prepare_dataset = prepare_instruction_dataset if instruction_model else prepare_dataset
+    vectorized_datasets = IterableDatasetDict() if data_args.streaming else DatasetDict()
+    if training_args.do_train:
+        # with streaming mode we can only have 1 worker, whereas with non-streaming
+        # we can use `num_workers` (which is much faster)
+        # We gate the pre-processing function accordingly
+        map_fn_train = partial(
+            raw_datasets["train"].map,
+            function=prepare_dataset,
+            remove_columns=raw_datasets_train_features,
+        )
+        with accelerator.main_process_first():
+            vectorized_datasets["train"] = (
+                map_fn_train(num_proc=num_workers, desc="preprocess train dataset")
+                if not data_args.streaming
+                else map_fn_train()
+            )
+    if training_args.do_eval:
+        for eval_split in all_eval_splits:
+            raw_datasets_eval_features = list(raw_datasets[eval_split].features.keys())
+            map_fn_eval = partial(
+                raw_datasets[eval_split].map, function=prepare_dataset, remove_columns=raw_datasets_eval_features
+            )
+            with accelerator.main_process_first():
+                vectorized_datasets[eval_split] = (
+                    map_fn_eval(num_proc=num_workers, desc="preprocess eval dataset")
+                    if not data_args.streaming
+                    else map_fn_eval()
+                )
+
+    # 10.4: Filter training data with labels longer than `max_label_length`
+    def is_labels_in_length_range(labels):
+        return 0 < len(labels) <= max_label_length
+
+    filter_by_labels_fn = partial(
+        vectorized_datasets.filter, function=is_labels_in_length_range, input_columns=["labels"]
+    )
+    with accelerator.main_process_first():
+        vectorized_datasets = (
+            filter_by_labels_fn(num_proc=num_workers, desc="filtering train dataset")
+            if not data_args.streaming
+            else filter_by_labels_fn()
+        )
+
+    # Pre-processing complete!
+    # For large datasets it is advised to run the preprocessing on a
+    # single machine first with `--preprocessing_only` since there will mostly likely
+    # be a timeout when running the script in distributed mode.
+    # In a second step, `--preprocessing_only` can then be set to `False` to load the
+    # cached dataset
+    if data_args.preprocessing_only:
+        if data_args.streaming:
+            raise ValueError(
+                "When using streaming mode, dataset pre-processing is performed on the fly, hence there is no notion"
+                "of a cached pre-processed dataset. Remove the argument `--preprocessing_only` to run pre-processing "
+                "on the fly with streaming mode."
+            )
+        cache = {k: v.cache_files for k, v in vectorized_datasets.items()}
+        logger.info(f"Data preprocessing finished. Files cached at {cache}.")
+        return
+
+    # 11. Define Evaluation Metrics
+    def compute_metrics(preds, labels):
+        # TODO(SG): better metrics for performance?
+        # replace padded labels by the padding token
+        for idx in range(len(labels)):
+            labels[idx][labels[idx] == -100] = tokenizer.pad_token_id
+        pred_str = tokenizer.batch_decode(preds, skip_special_tokens=True)
+        label_str = tokenizer.batch_decode(labels, skip_special_tokens=True)
+        return pred_str, label_str
+
+    # 12. Define Training Schedule
+    # 12.1: Store some constants
+    per_device_train_batch_size = int(training_args.per_device_train_batch_size)
+    train_batch_size = per_device_train_batch_size * accelerator.num_processes
+    gradient_accumulation_steps = int(training_args.gradient_accumulation_steps)
+    per_device_eval_batch_size = int(training_args.per_device_eval_batch_size)
+
+    # 12.2: Set max training steps
+    if not data_args.streaming and training_args.max_steps < 0:
+        num_epochs = int(training_args.num_train_epochs)
+        steps_per_epoch = len(vectorized_datasets["train"]) // (train_batch_size * gradient_accumulation_steps)
+        total_train_steps = steps_per_epoch * num_epochs
+    elif training_args.max_steps > 0:
+        logger.info("max_steps is given, it will override any value given in num_train_epochs")
+        total_train_steps = int(training_args.max_steps)
+        if not data_args.streaming:
+            steps_per_epoch = len(vectorized_datasets["train"]) // (train_batch_size * gradient_accumulation_steps)
+            num_epochs = int(np.ceil(total_train_steps / steps_per_epoch))
+        else:
+            # Setting a very large number of epochs so we go as many times as necessary over the iterator.
+            num_epochs = sys.maxsize
+            steps_per_epoch = total_train_steps
+    else:
+        raise ValueError("max_steps must be specified when training with a streaming (iterable) dataset")
+
+    # 12.3: Set evaluation steps
+    if training_args.evaluation_strategy == "epoch":
+        eval_steps = steps_per_epoch
+    elif training_args.eval_steps is None:
+        logger.info(
+            f"eval_steps is not set, evaluating at the end of {'each epoch' if not data_args.streaming else 'training'}"
+        )
+        eval_steps = steps_per_epoch
+    else:
+        eval_steps = training_args.eval_steps
+
+    # 12.4: Set save steps
+    if training_args.save_strategy == "epoch":
+        save_steps = steps_per_epoch
+    elif training_args.save_strategy == "steps":
+        save_steps = training_args.save_steps
+    else:
+        save_steps = sys.maxsize
+
+    # 13. Define optimizer, LR scheduler, collator
+    decay_parameters = get_parameter_names(
+        student_model,
+        [nn.LayerNorm],
+    )
+    decay_parameters = [name for name in decay_parameters if "bias" not in name]
+    optimizer_grouped_parameters = [
+        {
+            "params": [param for name, param in student_model.named_parameters() if name in decay_parameters],
+            "weight_decay": training_args.weight_decay,
+        },
+        {
+            "params": [param for name, param in student_model.named_parameters() if name not in decay_parameters],
+            "weight_decay": 0.0,
+        },
+    ]
+    optimizer = torch.optim.AdamW(
+        params=optimizer_grouped_parameters,
+        lr=training_args.learning_rate,
+        betas=(training_args.adam_beta1, training_args.adam_beta2),
+        eps=training_args.adam_epsilon,
+    )
+
+    # LR scheduler gets stepped by `num_processes` each time -> account for this in warmup / total steps
+    lr_scheduler = get_scheduler(
+        name=training_args.lr_scheduler_type,
+        optimizer=optimizer,
+        num_warmup_steps=training_args.warmup_steps * accelerator.num_processes,
+        num_training_steps=total_train_steps * accelerator.num_processes,
+    )
+
+    data_collator = DataCollatorCausalLMWithPadding(
+        tokenizer=tokenizer,
+        target_padding="max_length",
+        max_target_length=max_label_length,
+    )
+
+    # 14. Define generation arguments - we need to do this before we wrap the models in DDP
+    # so that we can still access the configs
+    num_beams = (
+        training_args.generation_num_beams
+        if training_args.generation_num_beams is not None
+        else getattr(student_model.generation_config, "num_beams", 1)
+    )
+
+    # 15. Prepare everything with accelerate
+    student_model, teacher_model, optimizer, lr_scheduler = accelerator.prepare(
+        student_model, teacher_model, optimizer, lr_scheduler
+    )
+
+    def kl_divergence(target_distribution, log_predicted_distribution, labels):
+        kl_loss = nn.KLDivLoss(reduction="none")
+        divergence = kl_loss(log_predicted_distribution, target_distribution)
+        # ignore padded tokens from divergence, i.e. where labels are not set to -100
+        padding_mask = labels >= 0
+        padding_mask = padding_mask.unsqueeze(-1)
+        divergence = divergence * padding_mask
+        # take the average over the mini-batch
+        divergence = divergence.sum() / padding_mask.sum()
+        return divergence
+
+    # Define gradient update step fn
+    def train_step(
+        batch,
+        temperature=2.0,
+    ):
+        student_model.train()
+        teacher_model.eval()
+
+        student_outputs = student_model(**batch)
+        with torch.no_grad():
+            teacher_outputs = teacher_model(**batch)
+
+        # CE (data) loss
+        ce_loss = student_outputs.loss
+        # rescale distribution by temperature to ensure gradients scale correctly
+        teacher_distribution = nn.functional.softmax(teacher_outputs.logits / temperature, dim=-1)
+        # log softmax of student predictions for numerical stability
+        student_distribution = nn.functional.log_softmax(student_outputs.logits / temperature, dim=-1)
+        # KL-divergence loss (scaled by temperature)
+        kl_loss = kl_divergence(teacher_distribution, student_distribution, batch["labels"]) * temperature**2
+
+        # use Distil-Whisper formulation (fix weight of CE loss and tune KL weight)
+        loss = 0.8 * ce_loss + training_args.kl_weight * kl_loss
+        metrics = {"loss": loss, "ce_loss": ce_loss, "kl_loss": kl_loss}
+        return loss, metrics
+
+    # Define eval fn
+    def eval_step(batch):
+        student_model.eval()
+        teacher_model.eval()
+
+        with torch.no_grad():
+            student_outputs = student_model(**batch)
+            teacher_outputs = teacher_model(**batch)
+
+        # CE (data) loss
+        ce_loss = student_outputs.loss
+
+        # log softmax / softmax for numerical stability
+        student_distribution = nn.functional.log_softmax(student_outputs.logits, dim=-1)
+        teacher_distribution = nn.functional.softmax(teacher_outputs.logits, dim=-1)
+        # temperature is always 1 for eval
+        kl_loss = kl_divergence(teacher_distribution, student_distribution, batch["labels"])
+
+        # use Distil-Whisper formulation (fix weight of CE loss and tune KL weight)
+        loss = 0.8 * ce_loss + training_args.kl_weight * kl_loss
+        metrics = {"loss": loss, "ce_loss": ce_loss, "kl_loss": kl_loss}
+        return metrics
+
+    def generate_step(batch):
+        student_model.eval()
+        output_ids = accelerator.unwrap_model(student_model).generate(
+            **batch, max_length=max_label_length, num_beams=num_beams
+        )
+        output_ids = accelerator.pad_across_processes(output_ids, dim=1, pad_index=tokenizer.pad_token_id)
+        return output_ids
+
+    logger.info("***** Running training *****")
+    logger.info(f"  Num examples = {total_train_steps * train_batch_size * gradient_accumulation_steps}")
+    if not data_args.streaming:
+        logger.info(f"  Num epochs = {num_epochs}")
+    logger.info("  Instantaneous batch size per device =" f" {training_args.per_device_train_batch_size}")
+    logger.info("  Gradient accumulation steps =" f" {gradient_accumulation_steps}")
+    logger.info(
+        f"  Total train batch size (w. parallel & distributed) = {train_batch_size * gradient_accumulation_steps}"
+    )
+    logger.info(f"  Total optimization steps = {total_train_steps}")
+
+    # ======================== Training ================================
+    train_time = 0
+    train_start = time.time()
+    steps_trained_progress_bar = tqdm(
+        range(total_train_steps), desc="Train steps ... ", position=0, disable=not accelerator.is_local_main_process
+    )
+    continue_training = True
+    epochs_trained = 0
+    cur_step = 0
+
+    checkpoint = None
+    if training_args.resume_from_checkpoint is not None:
+        checkpoint = training_args.resume_from_checkpoint
+    elif last_checkpoint is not None:
+        checkpoint = last_checkpoint
+
+    if checkpoint is not None:
+        accelerator.load_state(checkpoint)
+        # Find num steps and epoch from saved state string pattern
+        pattern = r"checkpoint-(\d+)-epoch-(\d+)"
+        match = re.search(pattern, checkpoint)
+        cur_step = int(match.group(1))
+        epochs_trained = int(match.group(2))
+
+        logger.info("  Continuing training from checkpoint, will skip to saved global_step")
+        logger.info(f"  Continuing training from epoch {epochs_trained}")
+        logger.info(f"  Continuing training from global step {cur_step}")
+
+        steps_trained_progress_bar.update(cur_step)
+
+        for epoch in range(0, epochs_trained):
+            vectorized_datasets["train"] = vectorized_datasets["train"].shuffle(training_args.seed)
+
+        if not data_args.streaming and training_args.max_steps < 0:
+            # we know exactly the number of steps per epoch, so can skip through the required number of batches
+            resume_step = (cur_step - epochs_trained * steps_per_epoch) * gradient_accumulation_steps
+        else:
+            # Currently we don't know how many steps we've taken in the current epoch
+            # So we just shuffle the dataset one extra time and start from a fresh epoch
+            # This is "good enough" for our purposes but not fully correct
+            resume_step = None
+            vectorized_datasets["train"] = vectorized_datasets["train"].shuffle(training_args.seed)
+    else:
+        resume_step = None
+
+    for epoch in range(epochs_trained, num_epochs):
+        vectorized_datasets["train"] = vectorized_datasets["train"].shuffle(training_args.seed)
+        train_dataloader = DataLoader(
+            vectorized_datasets["train"],
+            collate_fn=data_collator,
+            batch_size=per_device_train_batch_size,
+            num_workers=dataloader_num_workers,
+            prefetch_factor=prefetch_factor,
+            pin_memory=training_args.dataloader_pin_memory,
+        )
+        train_dataloader = accelerator.prepare(train_dataloader)
+        if hasattr(train_dataloader, "dataset") and isinstance(train_dataloader.dataset, IterableDataset):
+            train_dataloader.dataset.set_epoch(epoch)
+
+        if resume_step is not None:
+            # Skip the first N batches in the dataloader when resuming from a checkpoint
+            train_dataloader = accelerator.skip_first_batches(train_dataloader, resume_step)
+            resume_step = None
+
+        for batch in train_dataloader:
+            with accelerator.accumulate(student_model):
+                loss, train_metric = train_step(batch, temperature=training_args.temperature)
+                accelerator.backward(loss)
+                if accelerator.sync_gradients:
+                    accelerator.clip_grad_norm_(student_model.parameters(), training_args.max_grad_norm)
+                optimizer.step()
+                lr_scheduler.step()
+                optimizer.zero_grad()
+
+            # Check if the accelerator has performed an optimization step behind the scenes
+            if accelerator.sync_gradients:
+                steps_trained_progress_bar.update(1)
+                cur_step += 1
+
+                if cur_step % training_args.logging_steps == 0:
+                    steps_trained_progress_bar.write(
+                        f"Step... ({cur_step} / {total_train_steps} | Loss:"
+                        f" {train_metric['loss']}, Learning Rate:"
+                        f" {lr_scheduler.get_last_lr()[0]})"
+                    )
+                    log_metric(
+                        accelerator,
+                        metrics=train_metric,
+                        learning_rate=lr_scheduler.get_last_lr()[0],
+                        train_time=train_time + time.time() - train_start,
+                        step=cur_step,
+                        epoch=epoch if data_args.streaming else epoch + (cur_step - epoch * steps_per_epoch) / steps_per_epoch,
+                        prefix="train",
+                    )
+
+                # save checkpoint and weights after each save_steps and at the end of training
+                if (cur_step % save_steps == 0) or cur_step == total_train_steps:
+                    accelerator.wait_for_everyone()
+                    intermediate_dir = os.path.join(training_args.output_dir, f"checkpoint-{cur_step}-epoch-{epoch}")
+                    accelerator.save_state(output_dir=intermediate_dir)
+                    unwrapped_model = accelerator.unwrap_model(student_model)
+                    unwrapped_model.save_pretrained(
+                        intermediate_dir,
+                        is_main_process=accelerator.is_main_process,
+                        save_function=accelerator.save,
+                    )
+                    if accelerator.is_main_process:
+                        checkpoint_to_be_deleted = rotate_checkpoints(training_args.save_total_limit, output_dir=training_args.output_dir)
+                        if training_args.push_to_hub:
+                            upload_folder(
+                                folder_path=training_args.output_dir,
+                                repo_id=repo_name,
+                                repo_type="model",
+                                commit_message=f"Saving train state of step {cur_step}",
+                                delete_patterns=checkpoint_to_be_deleted,
+                            )
+
+                if training_args.do_eval and (cur_step % eval_steps == 0 or cur_step == total_train_steps):
+                    train_time += time.time() - train_start
+                    student_model.eval()
+                    # ======================== Evaluating ==============================
+                    for eval_split in all_eval_splits:
+                        eval_metrics = []
+                        eval_preds = []
+                        eval_labels = []
+                        eval_start = time.time()
+
+                        validation_dataloader = DataLoader(
+                            vectorized_datasets[eval_split],
+                            collate_fn=data_collator,
+                            batch_size=per_device_eval_batch_size,
+                            drop_last=False,
+                            num_workers=dataloader_num_workers,
+                            prefetch_factor=prefetch_factor,
+                            pin_memory=training_args.dataloader_pin_memory,
+                        )
+                        validation_dataloader = accelerator.prepare(validation_dataloader)
+
+                        for batch in tqdm(
+                            validation_dataloader,
+                            desc=f"Evaluating {eval_split}...",
+                            position=2,
+                            disable=not accelerator.is_local_main_process,
+                        ):
+                            # Model forward
+                            eval_metric = eval_step(batch)
+                            eval_metric = accelerator.gather_for_metrics(eval_metric)
+                            eval_metrics.append(eval_metric)
+
+                            # generation
+                            if training_args.predict_with_generate:
+                                generated_ids = generate_step(batch)
+                                # Gather all predictions and targets
+                                generated_ids, labels = accelerator.gather_for_metrics(
+                                    (generated_ids, batch["labels"])
+                                )
+                                eval_preds.extend(generated_ids)
+                                eval_labels.extend(labels)
+
+                        eval_time = time.time() - eval_start
+                        stack = torch.stack if accelerator.num_processes == 1 else torch.concatenate
+                        # normalize eval metrics
+                        eval_metrics = {
+                            key: torch.mean(stack([d[key] for d in eval_metrics])) for key in eval_metrics[0]
+                        }
+                        try:
+                            eval_metrics["perplexity"] = math.exp(eval_metrics["ce_loss"])
+                        except OverflowError:
+                            eval_metrics["perplexity"] = float("inf")
+
+                        if training_args.predict_with_generate:
+                            pred_str, label_str = compute_metrics(eval_preds, eval_labels)
+                            log_pred(
+                                accelerator,
+                                pred_str,
+                                label_str,
+                                step=cur_step,
+                                epoch=epoch,
+                                evaluation_strategy=training_args.evaluation_strategy,
+                                prefix=eval_split,
+                            )
+
+                        # Print metrics and update progress bar
+                        logger_desc = " ".join([f"Eval {key}: {value} |" for key, value in eval_metrics.items()])
+                        steps_trained_progress_bar.write(
+                            f"Eval results for step ({cur_step} / {total_train_steps} | {logger_desc}"
+                        )
+
+                        log_metric(
+                            accelerator,
+                            metrics=eval_metrics,
+                            train_time=eval_time,
+                            step=cur_step,
+                            epoch=epoch if data_args.streaming else epoch + (cur_step - epoch * steps_per_epoch) / steps_per_epoch,
+                            prefix=eval_split,
+                        )
+
+                    # flush the train metrics
+                    train_start = time.time()
+
+                # break condition
+                if cur_step == total_train_steps:
+                    accelerator.wait_for_everyone()
+                    # un-wrap student model for save
+                    student_model = accelerator.unwrap_model(student_model)
+                    student_model.save_pretrained(
+                        training_args.output_dir,
+                        is_main_process=accelerator.is_main_process,
+                        save_function=accelerator.save,
+                    )
+                    if training_args.push_to_hub and accelerator.is_main_process:
+                        upload_folder(
+                            folder_path=training_args.output_dir,
+                            repo_id=repo_name,
+                            repo_type="model",
+                            commit_message=f"Saving final weights of step {cur_step}",
+                        )
+                    continue_training = False
+                    break
+
+        if not continue_training:
+            break
+
+    accelerator.end_training()
+
+
+if __name__ == "__main__":
+    main()

slurm_job.slurm

@@ -0,0 +1,75 @@
+#!/bin/bash
+#SBATCH --job-name=distil-mistral
+#SBATCH --nodes=1
+# set 24h for job wall time limit
+#SBATCH --time=48:00:00
+#SBATCH --ntasks-per-node=1          # crucial - only 1 task per dist per node!
+#SBATCH --cpus-per-task=32
+#SBATCH --gres=gpu:8
+#SBATCH --exclusive
+#SBATCH --partition=hopper-prod
+#SBATCH --output=/fsx/sanchit/logs/%x-%j.out
+
+set -x -e
+
+source ~/.bashrc
+source /fsx/sanchit/miniconda3/bin/activate venv
+
+echo "START TIME: $(date)"
+
+
+LOG_PATH="/fsx/sanchit/logs/main_log.txt"
+SAVE_DIR="/fsx/sanchit"
+
+GPUS_PER_NODE=8
+NNODES=$SLURM_NNODES
+
+# so processes know who to talk to
+MASTER_ADDR=`scontrol show hostnames $SLURM_JOB_NODELIST | head -n 1`
+
+# From https://i.hsfzxjy.site/2021-03-10-obtain-a-random-unused-tcp-port-with-bash/
+function unused_port() {
+    N=${1:-1}
+    comm -23 \
+        <(seq "1025" "65535" | sort) \
+        <(ss -Htan |
+            awk '{print $4}' |
+            cut -d':' -f2 |
+            sort -u) |
+        shuf |
+        head -n "$N"
+}
+MASTER_PORT=$(unused_port)
+
+# export TORCH_CPP_LOG_LEVEL=INFO
+# export TORCH_DISTRIBUTED_DEBUG=DETAIL
+
+export LAUNCHER="python -u -m accelerate.commands.launch --config_file ./accelerate_config.yaml"
+
+export PROGRAM="./run_distillation.py ./config_mistral.yaml"
+export CMD="$LAUNCHER $PROGRAM"
+echo $CMD
+
+SRUN_ARGS=" \
+    --wait=60 \
+    --kill-on-bad-exit=1 \
+    "
+
+# py-spy top -s -i -n -- $LAUNCHER --node_rank $SLURM_PROCID --role $SLURMD_NODENAME: $CMD
+clear; srun $SRUN_ARGS --jobid $SLURM_JOB_ID bash -c "$CMD" 2>&1 | tee -a $SAVE_DIR/logs/main_log.txt
+
+
+# srun error handling:
+# --wait=60: wait 60 sec after the first task terminates before terminating all remaining tasks
+# --kill-on-bad-exit=1: terminate a step if any task exits with a non-zero exit code
+
+# SRUN_ARGS=" \
+#     --wait=60 \
+#     --kill-on-bad-exit=1 \
+#     "
+#
+# # py-spy top -s -i -n -- $LAUNCHER --node_rank $SLURM_PROCID --role $SLURMD_NODENAME: $CMD
+# clear; srun $SRUN_ARGS --jobid $SLURM_JOBID bash -c "$CMD" 2>&1 | tee -a $SAVE_DIR/logs/main_log.txt
+
+echo "END TIME: $(date)"
+

special_tokens_map.json

@@ -0,0 +1,24 @@
+{
+  "bos_token": {
+    "content": "<s>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  },
+  "eos_token": {
+    "content": "</s>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  },
+  "pad_token": "</s>",
+  "unk_token": {
+    "content": "<unk>",
+    "lstrip": false,
+    "normalized": false,
+    "rstrip": false,
+    "single_word": false
+  }
+}

tokenizer.model

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dadfd56d766715c61d2ef780a525ab43b8e6da4de6865bda3d95fdef5e134055
+size 493443

tokenizer_config.json

@@ -0,0 +1,43 @@
+{
+  "add_bos_token": true,
+  "add_eos_token": false,
+  "added_tokens_decoder": {
+    "0": {
+      "content": "<unk>",
+      "lstrip": false,
+      "normalized": false,
+      "rstrip": false,
+      "single_word": false,
+      "special": true
+    },
+    "1": {
+      "content": "<s>",
+      "lstrip": false,
+      "normalized": false,
+      "rstrip": false,
+      "single_word": false,
+      "special": true
+    },
+    "2": {
+      "content": "</s>",
+      "lstrip": false,
+      "normalized": false,
+      "rstrip": false,
+      "single_word": false,
+      "special": true
+    }
+  },
+  "additional_special_tokens": [],
+  "bos_token": "<s>",
+  "chat_template": "{{ bos_token }}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if message['role'] == 'user' %}{{ '[INST] ' + message['content'] + ' [/INST]' }}{% elif message['role'] == 'assistant' %}{{ message['content'] + eos_token}}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}",
+  "clean_up_tokenization_spaces": false,
+  "eos_token": "</s>",
+  "legacy": true,
+  "model_max_length": 1000000000000000019884624838656,
+  "pad_token": "</s>",
+  "sp_model_kwargs": {},
+  "spaces_between_special_tokens": false,
+  "tokenizer_class": "LlamaTokenizer",
+  "unk_token": "<unk>",
+  "use_default_system_prompt": false
+}