

"""simple docstring"""
import argparse
import time

import torch
import transformers
from measures_util import end_measure, log_measures, start_measure
from transformers import AutoConfig, AutoModelForCausalLM, AutoModelForSeqaSeqLM, AutoTokenizer

from accelerate.utils import compute_module_sizes


_A						=     {
    """gpt-j-6b""": {"""is_causal""": True, """model""": """sgugger/sharded-gpt-j-6B""", """tokenizer""": """EleutherAI/gpt-j-6B"""},
    """gpt-neox""": {"""is_causal""": True, """model""": """EleutherAI/gpt-neox-20b"""},
    """opt""": {"""is_causal""": True, """model""": """facebook/opt-30b"""},
    """T0pp""": {"""is_causal""": False, """model""": """bigscience/T0pp""", """model_revision""": """sharded"""},
}

_A						=     [
    """Hello, my name is""",
    """Are unicorns real? Unicorns are""",
    """For the first time in several years,""",
    """My name is Julien and I am""",
    """The goal of life is""",
    """Whenever I'm sad, I like to""",
]




def 				a__	(	)  ->   Optional[Any]:
      UpperCAmelCase__ :       int						=						argparse.ArgumentParser(description="""Run and time generations on a big model using Accelerate."""						)
      parser.add_argument("""model_name""" ,  type=lowerCAmelCase ,  default=lowerCAmelCase ,  help="""The name of the model to try."""						)
      parser.add_argument(
          """--tokenizer_name""" ,  type=lowerCAmelCase ,  default=lowerCAmelCase ,  help="""The name of the tokenizer (if different from the model."""						)
      parser.add_argument("""--is_causal""" ,  type=lowerCAmelCase ,  default=lowerCAmelCase ,  help="""Whether or not the model is causal."""						)
      parser.add_argument(
          """--model_revision""" ,  type=lowerCAmelCase ,  default=lowerCAmelCase ,  help="""The revision to use for the model checkpoint."""						)
      parser.add_argument("""--torch_dtype""" ,  type=lowerCAmelCase ,  default=lowerCAmelCase ,  help="""The dtype for the model."""						)
      parser.add_argument("""--disk_offload""" ,  action="""store_true"""						)

      UpperCAmelCase__ :       Union[str, Any]						=						parser.parse_args()

      # Sanitize args
      if args.model_name in DEFAULT_MODELS:
            UpperCAmelCase__ :       Any						=						DEFAULT_MODELS[args.model_name]
            UpperCAmelCase__ :       Tuple						=						defaults["""model"""]
            if args.tokenizer_name is None:
                  UpperCAmelCase__ :       Optional[Any]						=						defaults.get("""tokenizer""" ,  args.model_name						)
            if args.is_causal is None:
                  UpperCAmelCase__ :       List[Any]						=						defaults["""is_causal"""]
            if args.model_revision is None:
                  UpperCAmelCase__ :       Optional[int]						=						defaults.get("""model_revision""" ,  """main"""						)

      if args.is_causal is None:
            raise ValueError("""Could not infer the default for `--is_causal`, pass either True or False for it."""						)
      if args.tokenizer_name is None:
            UpperCAmelCase__ :       str						=						args.model_name
      if args.model_revision is None:
            UpperCAmelCase__ :       List[str]						=						"""main"""

      return args




def 				a__	(	)  ->   List[Any]:
      transformers.utils.logging.set_verbosity_error()
      UpperCAmelCase__ :       Optional[int]						=						parse_args()

      if args.torch_dtype is None:
            UpperCAmelCase__ :       List[str]						=						AutoConfig.from_pretrained(args.model_name						)
            UpperCAmelCase__ :       Optional[Any]						=						getattr(lowerCAmelCase ,  """torch_dtype""" ,  torch.floataa						)
      else:
            UpperCAmelCase__ :       Union[str, Any]						=						getattr(lowerCAmelCase ,  args.torch_dtype						)
      UpperCAmelCase__ :       List[Any]						=						AutoModelForCausalLM if args.is_causal else AutoModelForSeqaSeqLM
      UpperCAmelCase__ :       List[str]						=						{
          """torch_dtype""": torch_dtype,
          """revision""": args.model_revision,
      }
      if args.disk_offload:
            UpperCAmelCase__ :       List[str]						=						"""tmp_offload"""
            UpperCAmelCase__ :       int						=						True

      UpperCAmelCase__ :       Any						=						start_measure()
      UpperCAmelCase__ :       Optional[int]						=						model_cls.from_pretrained(args.model_name ,  device_map="""auto""" ,  **lowerCAmelCase						)
      UpperCAmelCase__ :       Any						=						end_measure(lowerCAmelCase						)
      log_measures(lowerCAmelCase ,  """Model loading"""						)

      UpperCAmelCase__ :       List[str]						=						compute_module_sizes(lowerCAmelCase						)
      UpperCAmelCase__ :       Dict						=						{v: 0 for v in model.hf_device_map.values()}
      for module, device in model.hf_device_map.items():
            device_size[device] += module_sizes[module]
      UpperCAmelCase__ :       Optional[Any]						=						"""\n""".join([F"""- {device}: {size // 2**20}MiB""" for device, size in device_size.items()]						)
      print(F"""\nTheoretical use:\n{message}"""						)

      UpperCAmelCase__ :       Tuple						=						AutoTokenizer.from_pretrained(args.tokenizer_name						)

      UpperCAmelCase__ :       List[str]						=						start_measure()
      UpperCAmelCase__ :       List[Any]						=						[]
      UpperCAmelCase__ :       Tuple						=						[]
      UpperCAmelCase__ :       Optional[Any]						=						[]
      for prompt in PROMPTS:
            UpperCAmelCase__ :       Any						=						tokenizer(lowerCAmelCase ,  return_tensors="""pt"""						).to(0						)
            UpperCAmelCase__ :       List[str]						=						inputs["""input_ids"""][0].tolist()
            UpperCAmelCase__ :       Dict						=						time.time()
            UpperCAmelCase__ :       List[str]						=						model.generate(inputs["""input_ids"""]						)
            UpperCAmelCase__ :       str						=						time.time()
            UpperCAmelCase__ :       str						=						outputs[0].tolist()
            UpperCAmelCase__ :       Optional[Any]						=						len(lowerCAmelCase						) if outputs[: len(lowerCAmelCase						)] != tokens else len(lowerCAmelCase						) - len(lowerCAmelCase						)
            UpperCAmelCase__ :       Tuple						=						after_generate - before_generate

            UpperCAmelCase__ :       Optional[Any]						=						tokenizer.decode(lowerCAmelCase ,  skip_special_tokens=lowerCAmelCase						)
            texts_outs.append(lowerCAmelCase						)
            generation_times.append(lowerCAmelCase						)
            gen_tokens.append(lowerCAmelCase						)
            print(F"""Prompt: {prompt}\nGeneration {text_out}\nIn {generation_time:.2f}s for {num_gen_tokens} tokens\n"""						)

      UpperCAmelCase__ :       int						=						end_measure(lowerCAmelCase						)
      log_measures(lowerCAmelCase ,  """Model generation"""						)

      UpperCAmelCase__ :       Any						=						[gen / tok for gen, tok in zip(lowerCAmelCase ,  lowerCAmelCase						)]
      UpperCAmelCase__ :       List[Any]						=						sum(lowerCAmelCase						) / len(lowerCAmelCase						)
      print(F"""Average time of generation per token: {avg_gen:.2f}s"""						)
      print(F"""First generation (avg time per token): {generation_times_per_token[0]:.2f}s"""						)
      UpperCAmelCase__ :       Any						=						sum(generation_times_per_token[1:]						) / (len(lowerCAmelCase						) - 1)
      print(F"""Average time of generation per token (excluding the first): {avg_gen:.2f}s"""						)


if __name__ == "__main__":
    main()




"""simple docstring"""
import argparse
import json

from transformers import GPTNeoConfig, GPTNeoForCausalLM, load_tf_weights_in_gpt_neo
from transformers.utils import logging


logging.set_verbosity_info()




def 				a__	(	lowerCAmelCase ,  lowerCAmelCase ,  lowerCAmelCase						)  ->   Dict:
      # Initialise PyTorch model
      UpperCAmelCase__ :       Union[str, Any]						=						json.load(open(lowerCAmelCase ,  """r"""						)						)
      UpperCAmelCase__ :       Any						=						GPTNeoConfig(
          hidden_size=config_json["""n_embd"""] ,  num_layers=config_json["""n_layer"""] ,  num_heads=config_json["""n_head"""] ,  attention_types=config_json["""attention_types"""] ,  max_position_embeddings=config_json["""n_positions"""] ,  resid_dropout=config_json["""res_dropout"""] ,  embed_dropout=config_json["""embed_dropout"""] ,  attention_dropout=config_json["""attn_dropout"""] ,  )
      print(F"""Building PyTorch model from configuration: {config}"""						)
      UpperCAmelCase__ :       Dict						=						GPTNeoForCausalLM(lowerCAmelCase						)

      # Load weights from tf checkpoint
      load_tf_weights_in_gpt_neo(lowerCAmelCase ,  lowerCAmelCase ,  lowerCAmelCase						)

      # Save pytorch-model
      print(F"""Save PyTorch model to {pytorch_dump_path}"""						)
      model.save_pretrained(lowerCAmelCase						)


if __name__ == "__main__":
    _A						=     argparse.ArgumentParser()
    # Required parameters
    parser.add_argument(
        """--tf_checkpoint_path""", default=None, type=str, required=True, help="""Path to the TensorFlow checkpoint path."""
    )
    parser.add_argument(
        """--config_file""",
        default=None,
        type=str,
        required=True,
        help=(
            """The config json file corresponding to the pre-trained mesh-tf model. \n"""
            """This specifies the model architecture."""
        ),
    )
    parser.add_argument(
        """--pytorch_dump_path""", default=None, type=str, required=True, help="""Path to the output PyTorch model."""
    )
    _A						=     parser.parse_args()
    convert_tf_checkpoint_to_pytorch(args.tf_checkpoint_path, args.config_file, args.pytorch_dump_path)

