Support nvidia/NVIDIA-Nemotron-Nano-12B-v2-VL-BF16 (and nvidia/C-RADIOv2-H) (#12277)

This commit is contained in:
Netanel Haber
2025-11-26 16:28:52 -07:00
committed by GitHub
parent a8ef4d1804
commit 082b54c689
17 changed files with 1334 additions and 17 deletions
+7 -2
View File
@@ -36,9 +36,10 @@ def eval_mmmu(args):
try:
# check if the model is belongs to internvl
if "InternVL" in args.model_path:
from internvl_utils import load_image
from transformers import AutoTokenizer
from sglang.srt.multimodal.internvl_utils import image_to_pixel_values
tokenizer = AutoTokenizer.from_pretrained(args.model_path)
model = AutoModel.from_pretrained(
args.model_path,
@@ -80,7 +81,11 @@ def eval_mmmu(args):
assert image is not None
if "InternVL" in args.model_path:
pixel_values = load_image(sample["image_path"]).to(torch.bfloat16).cuda()
image = PIL.Image.open(sample["image_path"]).convert("RGB")
pixel_values = image_to_pixel_values(
image, input_size=448, max_num=12, use_thumbnail=True
)
pixel_values = pixel_values.to(device="cuda", dtype=torch.bfloat16)
contents = ""
if prefix:
contents += prefix
-94
View File
@@ -1,94 +0,0 @@
# copy from https://huggingface.co/OpenGVLab/InternVL3-1B
import torch
import torchvision.transforms as T
from PIL import Image
from torchvision.transforms.functional import InterpolationMode
IMAGENET_MEAN = (0.485, 0.456, 0.406)
IMAGENET_STD = (0.229, 0.224, 0.225)
def build_transform(input_size):
MEAN, STD = IMAGENET_MEAN, IMAGENET_STD
transform = T.Compose(
[
T.Lambda(lambda img: img.convert("RGB") if img.mode != "RGB" else img),
T.Resize((input_size, input_size), interpolation=InterpolationMode.BICUBIC),
T.ToTensor(),
T.Normalize(mean=MEAN, std=STD),
]
)
return transform
def find_closest_aspect_ratio(aspect_ratio, target_ratios, width, height, image_size):
best_ratio_diff = float("inf")
best_ratio = (1, 1)
area = width * height
for ratio in target_ratios:
target_aspect_ratio = ratio[0] / ratio[1]
ratio_diff = abs(aspect_ratio - target_aspect_ratio)
if ratio_diff < best_ratio_diff:
best_ratio_diff = ratio_diff
best_ratio = ratio
elif ratio_diff == best_ratio_diff:
if area > 0.5 * image_size * image_size * ratio[0] * ratio[1]:
best_ratio = ratio
return best_ratio
def dynamic_preprocess(
image, min_num=1, max_num=12, image_size=448, use_thumbnail=False
):
orig_width, orig_height = image.size
aspect_ratio = orig_width / orig_height
# calculate the existing image aspect ratio
target_ratios = set(
(i, j)
for n in range(min_num, max_num + 1)
for i in range(1, n + 1)
for j in range(1, n + 1)
if i * j <= max_num and i * j >= min_num
)
target_ratios = sorted(target_ratios, key=lambda x: x[0] * x[1])
# find the closest aspect ratio to the target
target_aspect_ratio = find_closest_aspect_ratio(
aspect_ratio, target_ratios, orig_width, orig_height, image_size
)
# calculate the target width and height
target_width = image_size * target_aspect_ratio[0]
target_height = image_size * target_aspect_ratio[1]
blocks = target_aspect_ratio[0] * target_aspect_ratio[1]
# resize the image
resized_img = image.resize((target_width, target_height))
processed_images = []
for i in range(blocks):
box = (
(i % (target_width // image_size)) * image_size,
(i // (target_width // image_size)) * image_size,
((i % (target_width // image_size)) + 1) * image_size,
((i // (target_width // image_size)) + 1) * image_size,
)
# split the image
split_img = resized_img.crop(box)
processed_images.append(split_img)
assert len(processed_images) == blocks
if use_thumbnail and len(processed_images) != 1:
thumbnail_img = image.resize((image_size, image_size))
processed_images.append(thumbnail_img)
return processed_images
def load_image(image_file, input_size=448, max_num=12):
image = Image.open(image_file).convert("RGB")
transform = build_transform(input_size=input_size)
images = dynamic_preprocess(
image, image_size=input_size, use_thumbnail=True, max_num=max_num
)
pixel_values = [transform(image) for image in images]
pixel_values = torch.stack(pixel_values)
return pixel_values