llava-7b-v1_caption.py

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

meta_prompt = 'You are LLaVA, a large language and vision assistant trained by UW Madison WAIV Lab.You are able to understand the visual content that the user provides, and assist the user with a variety of tasks using natural language.Follow the instructions carefully and explain your answers in detail.'  # noqa: E501
im_patch_token = '<im_patch>'
patch_size = 14
image_size = 224
num_patches = (image_size // patch_size)**2
caption_prompt = ' '.join([
    meta_prompt,
    'User: a photo of\n',
    im_patch_token * num_patches,
    'ASSISTANT:',
])

# model settings
model = dict(
    type='Llava',
    tokenizer=dict(
        type='AutoTokenizer',
        name_or_path='liuhaotian/LLaVA-Lightning-7B-delta-v1-1'),
    vision_encoder=dict(
        type='VisionTransformer',
        arch='l',
        patch_size=14,
        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_3rdparty_20230517-95e2af0b.pth'),
    ),
    mm_hidden_size=1024,
    use_im_start_end=False,
    use_mm_proj=True,
    lang_encoder=dict(
        type='AutoModelForCausalLM',
        name_or_path='huggyllama/llama-7b',
    ),
    task='caption',
    prompt_tmpl=caption_prompt,
    generation_cfg=dict(num_beams=3, max_new_tokens=20, length_penalty=-2.0),
)

# 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()