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bitsandbytes to load.1from transformers import MllamaForConditionalGeneration, AutoProcessor, BitsAndBytesConfig
2from PIL import Image
3import time
4
5# Load model
6model_id = "SeanScripts/Llama-3.2-11B-Vision-Instruct-nf4"
7model = MllamaForConditionalGeneration.from_pretrained(
8 model_id,
9 use_safetensors=True,
10 device_map="cuda:0"
11)
12# Load tokenizer
13processor = AutoProcessor.from_pretrained(model_id)
14
15# Caption a local image (could use a more specific prompt)
16IMAGE = Image.open("test.png").convert("RGB")
17PROMPT = """<|begin_of_text|><|start_header_id|>user<|end_header_id|>
18Caption this image:
19<|image|><|eot_id|><|start_header_id|>assistant<|end_header_id|>
20"""
21
22inputs = processor(IMAGE, PROMPT, return_tensors="pt").to(model.device)
23prompt_tokens = len(inputs['input_ids'][0])
24print(f"Prompt tokens: {prompt_tokens}")
25
26t0 = time.time()
27generate_ids = model.generate(**inputs, max_new_tokens=256)
28t1 = time.time()
29total_time = t1 - t0
30generated_tokens = len(generate_ids[0]) - prompt_tokens
31time_per_token = generated_tokens/total_time
32print(f"Generated {generated_tokens} tokens in {total_time:.3f} s ({time_per_token:.3f} tok/s)")
33
34output = processor.decode(generate_ids[0][prompt_tokens:]).replace('<|eot_id|>', '')
35print(output)
36