SillyTilly/Meta-Llama-3.1-405B-Instruct
551
1diff --git a/src/transformers/models/llama/convert_llama_weights_to_hf.py b/src/transformers/models/llama/convert_llama_weights_to_hf.py2index a0fbe4680..8b0ce2b13 1006443--- a/src/transformers/models/llama/convert_llama_weights_to_hf.py4+++ b/src/transformers/models/llama/convert_llama_weights_to_hf.py5@@ -17,10 +17,10 @@ import json6 import os7 import shutil8 import warnings9-10+from typing import List11 import torch12 13-from transformers import LlamaConfig, LlamaForCausalLM, LlamaTokenizer, PreTrainedTokenizerFast14+from transformers import LlamaConfig, LlamaForCausalLM, LlamaTokenizer, PreTrainedTokenizerFast, GenerationConfig15 from transformers.convert_slow_tokenizer import TikTokenConverter16 17 18@@ -85,8 +85,12 @@ NUM_SHARDS = {19 "65B": 8,20 "70B": 8,21 "70Bf": 8,22+ "405B": 8,23+ "405B-MP16": 16,24 }25 26+CONTEXT_LENGTH_FOR_VERSION = {"3.1": 131072, "3": 8192, "2": 4096, "1": 2048}27+28 29 def compute_intermediate_size(n, ffn_dim_multiplier=1, multiple_of=256):30 return multiple_of * ((int(ffn_dim_multiplier * int(8 * n / 3)) + multiple_of - 1) // multiple_of)31@@ -107,9 +111,10 @@ def write_model(32 input_base_path,33 model_size=None,34 safe_serialization=True,35- llama_version=1,36+ llama_version="1",37 vocab_size=None,38 num_shards=None,39+ instruct=False,40 ):41 os.makedirs(model_path, exist_ok=True)42 tmp_model_path = os.path.join(model_path, "tmp")43@@ -125,18 +130,11 @@ def write_model(44 dims_per_head = dim // n_heads45 base = params.get("rope_theta", 10000.0)46 inv_freq = 1.0 / (base ** (torch.arange(0, dims_per_head, 2).float() / dims_per_head))47- if base > 10000.0 and llama_version != 3:48+ if base > 10000.0 and float(llama_version) < 3:49 max_position_embeddings = 1638450 else:51- # Depending on the Llama version, the default max_position_embeddings has different values.52- if llama_version == 1:53- max_position_embeddings = 204854- elif llama_version == 2:55- max_position_embeddings = 409656- elif llama_version == 3:57- max_position_embeddings = 819258-59- vocab_size = vocab_size if vocab_size is not None else 3200060+ max_position_embeddings = CONTEXT_LENGTH_FOR_VERSION[llama_version]61+62 if params.get("n_kv_heads", None) is not None:63 num_key_value_heads = params["n_kv_heads"] # for GQA / MQA64 num_key_value_heads_per_shard = num_key_value_heads // num_shards65@@ -144,8 +142,7 @@ def write_model(66 else: # compatibility with other checkpoints67 num_key_value_heads = n_heads68 num_key_value_heads_per_shard = n_heads_per_shard69- key_value_dim = dims_per_head * num_key_value_heads70- print(num_shards, num_key_value_heads, num_key_value_heads_per_shard, key_value_dim)71+ key_value_dim = dim72 73 # permute for sliced rotary74 def permute(w, n_heads, dim1=dim, dim2=dim):75@@ -159,11 +156,9 @@ def write_model(76 loaded = torch.load(os.path.join(input_base_path, "consolidated.00.pth"), map_location="cpu")77 else:78 # Sharded79- loaded = [80- torch.load(os.path.join(input_base_path, file), map_location="cpu")81- for file in os.listdir(input_base_path)82- if file.endswith(".pth")83- ]84+ checkpoint_list = sorted([file for file in os.listdir(input_base_path) if file.endswith(".pth")])85+ print("Loading in order:", checkpoint_list)86+ loaded = [torch.load(os.path.join(input_base_path, file), map_location="cpu") for file in checkpoint_list]87 param_count = 088 index_dict = {"weight_map": {}}89 for layer_i in range(n_layers):90@@ -263,7 +258,7 @@ def write_model(91 "lm_head.weight": loaded["output.weight"],92 }93 else:94- concat_dim = 0 if llama_version == 3 else 195+ concat_dim = 0 if llama_version in ['3', '3.1'] else 196 state_dict = {97 "model.norm.weight": loaded[0]["norm.weight"],98 "model.embed_tokens.weight": torch.cat(99@@ -282,6 +277,18 @@ def write_model(100 write_json(index_dict, os.path.join(tmp_model_path, "pytorch_model.bin.index.json"))101 ffn_dim_multiplier = params["ffn_dim_multiplier"] if "ffn_dim_multiplier" in params else 1102 multiple_of = params["multiple_of"] if "multiple_of" in params else 256103+104+ if llama_version in ['3', '3.1']:105+ bos_token_id = 128000106+107+ if instruct:108+ eos_token_id = [128001, 128008, 128009]109+ else:110+ eos_token_id = 128001111+ else:112+ bos_token_id = 1113+ eos_token_id = 2114+115 config = LlamaConfig(116 hidden_size=dim,117 intermediate_size=compute_intermediate_size(dim, ffn_dim_multiplier, multiple_of),118@@ -292,11 +299,21 @@ def write_model(119 vocab_size=vocab_size,120 rope_theta=base,121 max_position_embeddings=max_position_embeddings,122- bos_token_id=128000 if llama_version == 3 else 1,123- eos_token_id=128001 if llama_version == 3 else 2,124+ bos_token_id=bos_token_id,125+ eos_token_id=eos_token_id,126 )127 config.save_pretrained(tmp_model_path)128 129+ if instruct:130+ generation_config = GenerationConfig(131+ do_sample=True,132+ temperature=0.6,133+ top_p=0.9,134+ bos_token_id=bos_token_id,135+ eos_token_id=eos_token_id,136+ )137+ generation_config.save_pretrained(tmp_model_path)138+139 # Make space so we can load the model properly now.140 del state_dict141 del loaded142@@ -313,7 +330,7 @@ def write_model(143 144 145 class Llama3Converter(TikTokenConverter):146- def __init__(self, vocab_file, num_reserved_special_tokens=256, **kwargs):147+ def __init__(self, vocab_file, special_tokens=None, instruct=False, model_max_length=None, **kwargs):148 super().__init__(vocab_file, **kwargs)149 tokenizer = self.converted()150 chat_template = (151@@ -327,34 +344,27 @@ class Llama3Converter(TikTokenConverter):152 "{% endfor %}"153 "{{ '<|start_header_id|>assistant<|end_header_id|>\n\n' }}"154 )155- num_reserved_special_tokens = 256156- special_tokens = [157- "<|begin_of_text|>",158- "<|end_of_text|>",159- "<|reserved_special_token_0|>",160- "<|reserved_special_token_1|>",161- "<|reserved_special_token_2|>",162- "<|reserved_special_token_3|>",163- "<|start_header_id|>",164- "<|end_header_id|>",165- "<|reserved_special_token_4|>",166- "<|eot_id|>", # end of turn167- ] + [f"<|reserved_special_token_{i}|>" for i in range(5, num_reserved_special_tokens - 5)]168 tokenizer.add_special_tokens(special_tokens)169 170 self.tokenizer = PreTrainedTokenizerFast(171 tokenizer_object=tokenizer,172 bos_token="<|begin_of_text|>",173- eos_token="<|end_of_text|>",174- chat_template=chat_template,175+ eos_token="<|end_of_text|>" if not instruct else "<|eot_id|>",176+ chat_template=chat_template if instruct else None,177 model_input_names=["input_ids", "attention_mask"],178+ model_max_length=model_max_length,179 )180 181 182-def write_tokenizer(tokenizer_path, input_tokenizer_path, llama_version=2):183+def write_tokenizer(tokenizer_path, input_tokenizer_path, llama_version="2", special_tokens=None, instruct=False):184 tokenizer_class = LlamaTokenizer if LlamaTokenizerFast is None else LlamaTokenizerFast185- if llama_version == 3:186- tokenizer = Llama3Converter(input_tokenizer_path).tokenizer187+ if llama_version in ["3", "3.1"]:188+ tokenizer = Llama3Converter(189+ input_tokenizer_path,190+ special_tokens,191+ instruct,192+ model_max_length=CONTEXT_LENGTH_FOR_VERSION[llama_version]193+ ).tokenizer194 else:195 tokenizer = tokenizer_class(input_tokenizer_path)196 print(f"Saving a {tokenizer_class.__name__} to {tokenizer_path}.")197@@ -362,6 +372,37 @@ def write_tokenizer(tokenizer_path, input_tokenizer_path, llama_version=2):198 return tokenizer199 200 201+DEFAULT_LLAMA_SPECIAL_TOKENS = {202+ "3": [203+ "<|begin_of_text|>",204+ "<|end_of_text|>",205+ "<|reserved_special_token_0|>",206+ "<|reserved_special_token_1|>",207+ "<|reserved_special_token_2|>",208+ "<|reserved_special_token_3|>",209+ "<|start_header_id|>",210+ "<|end_header_id|>",211+ "<|reserved_special_token_4|>",212+ "<|eot_id|>", # end of turn213+ ]214+ + [f"<|reserved_special_token_{i}|>" for i in range(5, 256 - 5)],215+ "3.1": [216+ "<|begin_of_text|>",217+ "<|end_of_text|>",218+ "<|reserved_special_token_0|>",219+ "<|reserved_special_token_1|>",220+ "<|finetune_right_pad_id|>",221+ "<|reserved_special_token_2|>",222+ "<|start_header_id|>",223+ "<|end_header_id|>",224+ "<|eom_id|>", # end of message225+ "<|eot_id|>", # end of turn226+ "<|python_tag|>",227+ ]228+ + [f"<|reserved_special_token_{i}|>" for i in range(3, 256 - 8)],229+}230+231+232 def main():233 parser = argparse.ArgumentParser()234 parser.add_argument(235@@ -383,9 +424,9 @@ def main():236 # Different Llama versions used different default values for max_position_embeddings, hence the need to be able to specify which version is being used.237 parser.add_argument(238 "--llama_version",239- choices=[1, 2, 3],240- default=1,241- type=int,242+ choices=["1", "2", "3", "3.1"],243+ default="1",244+ type=str,245 help="Version of the Llama model to convert. Currently supports Llama1 and Llama2. Controls the context size",246 )247 parser.add_argument(248@@ -394,11 +435,34 @@ def main():249 type=int,250 help="The number of individual shards used for the model. Does not have to be the same as the number of consolidated_xx.pth",251 )252+ parser.add_argument(253+ "--special_tokens",254+ default=None,255+ type=List[str],256+ help="The list of special tokens that should be added to the model.",257+ )258+ parser.add_argument(259+ "--instruct",260+ default=False,261+ type=bool,262+ help="Whether the model is an instruct model or not. Will affect special tokens for llama 3.1.",263+ )264 args = parser.parse_args()265 if args.model_size is None and args.num_shards is None:266 raise ValueError("You have to set at least `num_shards` if you are not giving the `model_size`")267+ if args.special_tokens is None:268+ args.special_tokens = DEFAULT_LLAMA_SPECIAL_TOKENS[str(args.llama_version)]269+270 spm_path = os.path.join(args.input_dir, "tokenizer.model")271- vocab_size = len(write_tokenizer(args.output_dir, spm_path, llama_version=args.llama_version))272+ vocab_size = len(273+ write_tokenizer(274+ args.output_dir,275+ spm_path,276+ llama_version=args.llama_version,277+ special_tokens=args.special_tokens,278+ instruct=args.instruct279+ )280+ )281 if args.model_size != "tokenizer_only":282 write_model(283 model_path=args.output_dir,284@@ -408,6 +472,7 @@ def main():285 llama_version=args.llama_version,286 vocab_size=vocab_size,287 num_shards=args.num_shards,288+ instruct=args.instruct289 )290 291 292 