mmpretrain/configs/ofa/ofa-base_zeroshot_vqa.py

43 lines
881 B
Python

_base_ = [
'../_base_/datasets/coco_vqa.py',
'../_base_/default_runtime.py',
]
# model settings
model = dict(
type='OFA',
task='vqa',
vocab_size=59457,
embedding_dim=768,
encoder_cfg=dict(
embed_images=dict(type='OFAResNet', depth=101),
num_layers=6,
num_heads=12,
),
decoder_cfg=dict(
num_layers=6,
num_heads=12,
),
generation_cfg=dict(
num_beams=20,
max_new_tokens=200,
length_penalty=0., # VQA doesn't require longer answer.
use_cache=True,
),
tokenizer=dict(type='OFATokenizer', name_or_path='OFA-Sys/OFA-base'),
)
# data settings
data_preprocessor = dict(
mean=[127.5, 127.5, 127.5],
std=[127.5, 127.5, 127.5],
to_rgb=True,
)
train_dataloader = None # Eval only
# schedule settings
train_cfg = None
val_cfg = dict()
test_cfg = dict()