[Colossal-LLaMA] Refactor latest APIs (#6030)

* refactor latest code

* update api

* add dummy dataset

* update Readme

* add setup

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* update files

* add PP support

* update arguments

* update argument

* reorg folder

* update version

* remove IB infor

* update utils

* update readme

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* update save for zero

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applications/Colossal-LLaMA/dataset/prepare_sft_dataset.py

@@ -0,0 +1,149 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Prepare sft dataset for fine-tuning
+"""
+
+import argparse
+import json
+import math
+import os
+from multiprocessing import cpu_count
+
+from colossal_llama.dataset.conversation import LLaMA2_Conv, LLaMA3_Conv
+from colossal_llama.dataset.spliced_and_tokenized_dataset import supervised_tokenize_sft
+from datasets import dataset_dict, load_dataset
+from transformers import AddedToken, AutoTokenizer
+
+from colossalai.logging import get_dist_logger
+
+logger = get_dist_logger()
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--data_input_dirs",
+        type=str,
+        required=True,
+        default=None,
+        help="Comma(i.e., ',') separated list of all data directories containing `.jsonl` data files.",
+    )
+    parser.add_argument(
+        "--tokenizer_dir", type=str, required=True, default=None, help="A directory containing the tokenizer"
+    )
+    parser.add_argument("--data_output_dirs", type=str, default="data_output_dirs", help="Data output directory")
+    parser.add_argument("--max_length", type=int, default=8192, help="Max length of each spliced tokenized sequence")
+    parser.add_argument("--num_spliced_dataset_bins", type=int, default=10, help="Number of spliced dataset bins")
+    parser.add_argument("--llama_version", type=int, default=3, help="LLaMA version")
+    args = parser.parse_args()
+
+    if args.num_spliced_dataset_bins >= 100000:
+        raise ValueError("Too many spliced divisions, must be smaller than 100000")
+
+    args.data_cache_dir = os.path.join(args.data_output_dirs, "cache")
+    args.data_jsonl_output_dir = os.path.join(args.data_output_dirs, "jsonl")
+    args.data_arrow_output_dir = os.path.join(args.data_output_dirs, "arrow")
+
+    if not os.path.exists(args.data_cache_dir):
+        os.makedirs(args.data_cache_dir)
+    if not os.path.exists(args.data_jsonl_output_dir):
+        os.makedirs(args.data_jsonl_output_dir)
+    if not os.path.exists(args.data_arrow_output_dir):
+        os.makedirs(args.data_arrow_output_dir)
+
+    # Prepare to all input datasets
+    input_data_paths = []
+    input_data_dirs = args.data_input_dirs.split(",")
+    for ds_dir in input_data_dirs:
+        ds_dir = os.path.abspath(ds_dir)
+        assert os.path.exists(ds_dir), f"Not find data dir {ds_dir}"
+        ds_files = [name for name in os.listdir(ds_dir) if name.endswith(".jsonl")]
+        ds_paths = [os.path.join(ds_dir, name) for name in ds_files]
+        input_data_paths.extend(ds_paths)
+
+    # Prepare to data splitting.
+    train_splits = []
+    split_interval = math.ceil(100 / args.num_spliced_dataset_bins)
+    for i in range(0, 100, split_interval):
+        start = i
+        end = i + split_interval
+        if end > 100:
+            end = 100
+        train_splits.append(f"train[{start}%:{end}%]")
+
+    # Prepare to the tokenizer.
+    tokenizer = AutoTokenizer.from_pretrained(args.tokenizer_dir)
+
+    default_conversation = LLaMA3_Conv
+
+    # Fix </s> split issue: https://github.com/huggingface/transformers/issues/23833
+    if args.llama_version == 2:
+        tokenizer.add_tokens(AddedToken("</s>", normalized=False, special=True), special_tokens=True)
+        default_conversation = LLaMA2_Conv
+
+    tokenizer.add_bos_token = False
+    tokenizer.add_eos_token = False
+    if tokenizer.pad_token is None:
+        if tokenizer.unk_token is not None:
+            tokenizer.pad_token = tokenizer.unk_token
+        else:
+            tokenizer.pad_token = tokenizer.eos_token
+            tokenizer.unk_token = tokenizer.eos_token
+
+    list_dataset = load_dataset(
+        path="json",
+        data_files=input_data_paths,
+        cache_dir=os.path.join(args.data_cache_dir, "raw"),
+        keep_in_memory=False,
+        split=train_splits,
+        num_proc=cpu_count(),
+    )
+    for index, dataset in enumerate(list_dataset):
+        assert isinstance(dataset, dataset_dict.Dataset)
+        logger.info(f"Start to process part-{index}/{len(list_dataset)} of all original datasets.")
+        dataset = dataset.map(
+            function=supervised_tokenize_sft,
+            fn_kwargs={
+                "tokenizer": tokenizer,
+                "conversation_template": default_conversation,
+                "max_length": args.max_length,
+            },
+            keep_in_memory=False,
+            num_proc=min(len(dataset), cpu_count()),
+        )
+
+        dataset = dataset.filter(lambda data: data["labels"] is not None)
+        dataset = dataset.sort(column_names=("seq_category", "seq_length"), reverse=False, keep_in_memory=False)
+
+        # We don't concatenate data samples here.
+        spliced_dataset = dataset
+        # Save each jsonl spliced dataset.
+        output_index = "0" * (5 - len(str(index))) + str(index)
+        output_name = f"part-{output_index}"
+        output_jsonl_path = os.path.join(args.data_jsonl_output_dir, output_name + ".jsonl")
+        # st = time.time()
+        with open(file=output_jsonl_path, mode="w", encoding="utf-8") as fp_writer:
+            spliced_count = 0
+            for spliced_data_point in spliced_dataset:
+                if spliced_count % 500 == 0:
+                    logger.info(f"processing {spliced_count} spliced data points for {fp_writer.name}")
+                spliced_count += 1
+                fp_writer.write(json.dumps(spliced_data_point, ensure_ascii=False) + "\n")
+
+        # Save each arrow spliced dataset
+        output_arrow_path = os.path.join(args.data_arrow_output_dir, output_name)
+        logger.info(f"Start to save {output_arrow_path}")
+        spliced_dataset = load_dataset(
+            path="json",
+            data_files=[output_jsonl_path],
+            cache_dir=os.path.join(args.data_cache_dir, "spliced_and_tokenized"),
+            keep_in_memory=False,
+            num_proc=cpu_count(),
+            split="train",
+        )
+        spliced_dataset.save_to_disk(dataset_path=output_arrow_path, num_proc=min(len(spliced_dataset), cpu_count()))
+
+
+if __name__ == "__main__":
+    main()