llava-7b-v1.5_caption.py

_base_ = '../_base_/default_runtime.py'

meta_prompt = "A chat between a curious human and an artificial intelligence assistant. The assistant gives helpful, detailed, and polite answers to the human's questions."  # noqa: E501
image_size = 336
prompt_tmpl = f'''{meta_prompt} User: <image>
Describe the image in detail. ASSISTANT:'''

# model settings
model = dict(
    type='Llava',
    tokenizer=dict(
        type='AutoTokenizer', name_or_path='liuhaotian/llava-v1.5-7b'),
    vision_encoder=dict(
        type='VisionTransformer',
        arch='l',
        patch_size=14,
        img_size=image_size,
        pre_norm=True,
        norm_cfg=dict(type='LN', eps=1e-5),
        layer_cfgs=dict(act_cfg=dict(type='mmpretrain.QuickGELU')),
        final_norm=False,
        out_type='raw',
        pretrained='https://download.openmmlab.com/mmclassification/v0/clip/'
        'vit-large-p14_clip-openai-pre_336px_20231025-fb1315ed.pth',
    ),
    mm_hidden_size=1024,
    use_im_patch=False,
    use_im_start_end=False,
    mm_proj_depth=2,
    lang_encoder=dict(
        type='AutoModelForCausalLM',
        name_or_path='huggyllama/llama-7b',
    ),
    task='caption',
    prompt_tmpl=prompt_tmpl,
    generation_cfg=dict(num_beams=3, max_new_tokens=50, length_penalty=-1.0),
)

# data settings
data_preprocessor = dict(
    type='MultiModalDataPreprocessor',
    mean=[122.770938, 116.7460125, 104.09373615],
    std=[68.5005327, 66.6321579, 70.32316305],
    to_rgb=True,
)

test_pipeline = [
    dict(type='LoadImageFromFile'),
    dict(
        type='Resize',
        scale=(image_size, image_size),
        interpolation='bicubic',
        backend='pillow'),
    dict(type='PackInputs', meta_keys=['image_id']),
]

test_dataloader = dict(
    batch_size=8,
    num_workers=5,
    dataset=dict(
        type='COCOCaption',
        data_root='data/coco',
        ann_file='annotations/coco_karpathy_val.json',
        pipeline=test_pipeline,
    ),
    sampler=dict(type='DefaultSampler', shuffle=False),
    persistent_workers=True,
)

test_evaluator = dict(
    type='COCOCaption',
    ann_file='data/coco/annotations/coco_karpathy_val_gt.json',
)

# schedule settings
test_cfg = dict()