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A script to caption datikz graphs with Moondream using Modal
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import modal | |
app = modal.App(name="moondream-label-datikz_v2") | |
data_dict = modal.Dict.from_name("HF_DATASET", create_if_missing=True) | |
def download_dataset(): | |
from datasets import load_dataset | |
data_dict["HF_DATASET"] = "nllg/datikz-v2" | |
dataset = load_dataset(data_dict["HF_DATASET"]) | |
def download_model(): | |
model_id = "vikhyatk/moondream2" | |
revision = "2024-05-20" | |
from transformers import AutoModelForCausalLM, AutoTokenizer | |
model = AutoModelForCausalLM.from_pretrained( | |
model_id, trust_remote_code=True, revision=revision, | |
) | |
tokenizer = AutoTokenizer.from_pretrained(model_id, revision=revision) | |
moondream_image = modal.Image.micromamba( | |
python_version="3.11" | |
).apt_install( | |
"git" | |
).micromamba_install( | |
"cudatoolkit", | |
"cudnn", | |
"cuda-nvcc", | |
channels=["conda-forge", "nvidia"], | |
).pip_install( | |
"torch", | |
"torchvision", | |
"accelerate", | |
"transformers", | |
"datasets", | |
"einops", | |
"Pillow", | |
"xxhash", | |
gpu="A100" | |
).run_commands( | |
"pip install flash-attn --no-build-isolation" | |
).run_function( | |
download_dataset | |
).run_function(download_model) | |
@app.function(gpu="A100", image=moondream_image, timeout=3600) | |
def label_dataset(split): | |
import torch | |
import pandas as pd | |
from transformers import AutoModelForCausalLM, AutoTokenizer | |
import xxhash | |
# load moondream model | |
model_id = "vikhyatk/moondream2" | |
revision = "2024-05-20" | |
model = AutoModelForCausalLM.from_pretrained( | |
model_id, trust_remote_code=True, revision=revision, device_map = 'cuda', | |
torch_dtype=torch.float16, attn_implementation="flash_attention_2", | |
).to("cuda") | |
tokenizer = AutoTokenizer.from_pretrained(model_id, revision=revision) | |
print("torch.cuda.memory_allocated: %fGB"%(torch.cuda.memory_allocated(0)/1024/1024/1024)) | |
print("torch.cuda.memory_reserved: %fGB"%(torch.cuda.memory_reserved(0)/1024/1024/1024)) | |
print("torch.cuda.max_memory_reserved: %fGB"%(torch.cuda.max_memory_reserved(0)/1024/1024/1024)) | |
# load HF dataset | |
from datasets import load_dataset | |
ds = load_dataset(data_dict["HF_DATASET"], split=split, keep_in_memory=True) | |
#ds = ds.select(range(100)) # for debugging | |
print(len(ds)) | |
# Batch size | |
#N=12 # Fits in 16G VRAM when truncating prompt | |
N=26 # Fits into 40GB VRAM | |
# simple mini batch generator | |
def batches(lst, n): | |
for i in range(0, len(lst), n): | |
yield lst[i:i + n] | |
import pandas as pd | |
from datasets import Image | |
img_enc = Image() | |
r = [] | |
for batch in batches(ds, N): | |
prompts = ["Describe this diagram using the following context, excluding anything that is not directly deducible from the graph: "+c[:1280] for c in batch['caption']] | |
answers = model.batch_answer( | |
images=batch['image'], | |
prompts=prompts, | |
tokenizer=tokenizer, | |
repetition_penalty=1.2, # Important to avoid repetitions, chosen value might not be best | |
) | |
r.append(pd.DataFrame({'caption': answers, 'orig_caption': batch['caption'], 'image': [img_enc.encode_example(img) for img in batch['image']]} )) | |
if len(r) % 10 == 0: | |
print(len(r)) | |
print("torch.cuda.max_memory_allocated: %fGB"%(torch.cuda.max_memory_allocated(0)/1024/1024/1024)) | |
return pd.concat(r) | |
@app.local_entrypoint() | |
def main(): | |
import pandas as pd | |
from datasets import load_dataset, Dataset | |
# split dataset into 10 equal parts | |
#splits = [f'train[{k}%:{k+10}%]' for k in range(0, 100, 10)] | |
# split dataset into 100 equal parts | |
splits = [f'train[{k}%:{k+2}%]' for k in range(0, 100, 2)] | |
print(splits) | |
results = [] | |
#for part_result in label_dataset.map([splits[0]]): # for debugging | |
for part_result in label_dataset.map(splits): | |
results.append(part_result) | |
print(len(part_result)) | |
# concatenate the list of part_results and load as HF ds | |
result_df = pd.concat(results) | |
result_ds = Dataset.from_pandas(result_df) | |
# properly cast image column | |
from datasets import Image | |
img_enc = Image() | |
result_ds = result_ds.cast_column("image", Image()) | |
print(result_ds) | |
# push result to HF | |
result_ds.push_to_hub('datikz-v2-moondream-labels') |
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