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| author | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-02-12 20:57:17 +0100 |
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| committer | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-02-12 20:57:17 +0100 |
| commit | b333b06772c89d96aacb5490d6a219fba7c09cc6 (patch) | |
| tree | 211df60083a5946baa2ed61d33d8121b7e251b06 /llama.cpp/examples/model-conversion/scripts/causal/run-org-model.py | |
| download | llmnpc-b333b06772c89d96aacb5490d6a219fba7c09cc6.tar.gz | |
Engage!
Diffstat (limited to 'llama.cpp/examples/model-conversion/scripts/causal/run-org-model.py')
| -rwxr-xr-x | llama.cpp/examples/model-conversion/scripts/causal/run-org-model.py | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/llama.cpp/examples/model-conversion/scripts/causal/run-org-model.py b/llama.cpp/examples/model-conversion/scripts/causal/run-org-model.py new file mode 100755 index 0000000..215f1a9 --- /dev/null +++ b/llama.cpp/examples/model-conversion/scripts/causal/run-org-model.py @@ -0,0 +1,168 @@ +#!/usr/bin/env python3 + +import argparse +import os +import sys +import importlib +import torch +import numpy as np + +from transformers import AutoTokenizer, AutoModelForCausalLM, AutoModelForImageTextToText, AutoConfig + +# Add parent directory to path for imports +sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..')) +from utils.common import debug_hook, save_output_data + +def parse_arguments(): + parser = argparse.ArgumentParser(description="Process model with specified path") + parser.add_argument("--model-path", "-m", help="Path to the model") + parser.add_argument("--prompt-file", "-f", help="Optional prompt file", required=False) + parser.add_argument("--verbose", "-v", action="store_true", help="Enable verbose debug output") + parser.add_argument("--device", "-d", help="Device to use (cpu, cuda, mps, auto)", default="auto") + return parser.parse_args() + +def load_model_and_tokenizer(model_path, device="auto"): + print("Loading model and tokenizer using AutoTokenizer:", model_path) + tokenizer = AutoTokenizer.from_pretrained(model_path, trust_remote_code=True) + config = AutoConfig.from_pretrained(model_path, trust_remote_code=True) + multimodal = False + full_config = config + + # Determine device_map based on device argument + if device == "cpu": + device_map = {"": "cpu"} + print("Forcing CPU usage") + elif device == "auto": + device_map = "auto" + else: + device_map = {"": device} + + print("Model type: ", config.model_type) + if "vocab_size" not in config and "text_config" in config: + config = config.text_config + multimodal = True + + print("Vocab size: ", config.vocab_size) + print("Hidden size: ", config.hidden_size) + print("Number of layers: ", config.num_hidden_layers) + print("BOS token id: ", config.bos_token_id) + print("EOS token id: ", config.eos_token_id) + + unreleased_model_name = os.getenv("UNRELEASED_MODEL_NAME") + if unreleased_model_name: + model_name_lower = unreleased_model_name.lower() + unreleased_module_path = ( + f"transformers.models.{model_name_lower}.modular_{model_name_lower}" + ) + class_name = f"{unreleased_model_name}ForCausalLM" + print(f"Importing unreleased model module: {unreleased_module_path}") + + try: + model_class = getattr(importlib.import_module(unreleased_module_path), class_name) + model = model_class.from_pretrained( + model_path, + device_map=device_map, + offload_folder="offload", + trust_remote_code=True, + config=config + ) + except (ImportError, AttributeError) as e: + print(f"Failed to import or load model: {e}") + exit(1) + else: + if multimodal: + model = AutoModelForImageTextToText.from_pretrained( + model_path, + device_map=device_map, + offload_folder="offload", + trust_remote_code=True, + config=full_config + ) + else: + model = AutoModelForCausalLM.from_pretrained( + model_path, + device_map=device_map, + offload_folder="offload", + trust_remote_code=True, + config=config + ) + + print(f"Model class: {model.__class__.__name__}") + + return model, tokenizer, config + +def enable_torch_debugging(model): + for name, module in model.named_modules(): + if len(list(module.children())) == 0: # only leaf modules + module.register_forward_hook(debug_hook(name)) + +def get_prompt(args): + if args.prompt_file: + with open(args.prompt_file, encoding='utf-8') as f: + return f.read() + elif os.getenv("MODEL_TESTING_PROMPT"): + return os.getenv("MODEL_TESTING_PROMPT") + else: + return "Hello, my name is" + +def main(): + args = parse_arguments() + model_path = os.environ.get("MODEL_PATH", args.model_path) + if model_path is None: + print("Error: Model path must be specified either via --model-path argument or MODEL_PATH environment variable") + sys.exit(1) + + + model, tokenizer, config = load_model_and_tokenizer(model_path, args.device) + + if args.verbose: + enable_torch_debugging(model) + + model_name = os.path.basename(model_path) + + # Iterate over the model parameters (the tensors) and get the first one + # and use it to get the device the model is on. + device = next(model.parameters()).device + prompt = get_prompt(args) + input_ids = tokenizer(prompt, return_tensors="pt").input_ids.to(device) + token_ids = input_ids[0].cpu().tolist() + + print(f"Input tokens: {input_ids}") + print(f"Input text: {repr(prompt)}") + print(f"Tokenized: {tokenizer.convert_ids_to_tokens(input_ids[0])}") + + batch_size = 512 + + with torch.no_grad(): + past = None + outputs = None + for i in range(0, input_ids.size(1), batch_size): + print(f"Processing chunk with tokens {i} to {i + batch_size}") + chunk = input_ids[:, i:i + batch_size] + outputs = model(chunk.to(model.device), past_key_values=past, use_cache=True) + past = outputs.past_key_values + + logits = outputs.logits # type: ignore + + # Extract logits for the last token (next token prediction) + last_logits = logits[0, -1, :].float().cpu().numpy() + + print(f"Logits shape: {logits.shape}") + print(f"Last token logits shape: {last_logits.shape}") + print(f"Vocab size: {len(last_logits)}") + + # Print some sample logits for quick verification + print(f"First 10 logits: {last_logits[:10]}") + print(f"Last 10 logits: {last_logits[-10:]}") + + # Show top 5 predicted tokens + top_indices = np.argsort(last_logits)[-5:][::-1] + print("Top 5 predictions:") + for idx in top_indices: + token = tokenizer.decode([idx]) + print(f" Token {idx} ({repr(token)}): {last_logits[idx]:.6f}") + + save_output_data(last_logits, token_ids, prompt, model_name) + +if __name__ == "__main__": + main() |
