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dinov2: add some coverage for registers
Those are not supported yet in HF: so just compared with a precomputed norm. Note: in the initial PR [1] the Refiners' implementation has been tested against the official code using Torch Hub. [1]: https://github.com/finegrain-ai/refiners/pull/132#issuecomment-1852021656
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@ -1,3 +1,4 @@
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from math import isclose
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from pathlib import Path
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from warnings import warn
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@ -7,16 +8,23 @@ from transformers import AutoModel # type: ignore
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from transformers.models.dinov2.modeling_dinov2 import Dinov2Model # type: ignore
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from refiners.fluxion.utils import load_from_safetensors, manual_seed
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from refiners.foundationals.dinov2 import DINOv2_base, DINOv2_large, DINOv2_small
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from refiners.foundationals.dinov2 import (
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DINOv2_base,
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DINOv2_base_reg,
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DINOv2_large,
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DINOv2_large_reg,
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DINOv2_small,
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DINOv2_small_reg,
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)
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from refiners.foundationals.dinov2.vit import ViT
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# TODO: add DINOv2 with registers ("dinov2_vits14_reg", etc). At the time of writing, those are not yet supported in
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# transformers (https://github.com/huggingface/transformers/issues/27379). Alternatively, it is also possible to use
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# facebookresearch/dinov2 directly (https://github.com/finegrain-ai/refiners/pull/132).
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FLAVORS = [
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"dinov2_vits14",
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"dinov2_vitb14",
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"dinov2_vitl14",
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"dinov2_vits14_reg4",
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"dinov2_vitb14_reg4",
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"dinov2_vitl14_reg4",
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]
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@ -25,6 +33,26 @@ def flavor(request: pytest.FixtureRequest) -> str:
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return request.param
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# Temporary: see comments in `test_encoder_only`
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@pytest.fixture(scope="module")
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def seed_expected_norm(flavor: str) -> tuple[int, float]:
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match flavor:
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case "dinov2_vits14":
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return (42, 1977.9213867)
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case "dinov2_vitb14":
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return (42, 1902.6384277)
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case "dinov2_vitl14":
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return (42, 1763.9187011)
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case "dinov2_vits14_reg4":
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return (42, 989.2380981)
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case "dinov2_vitb14_reg4":
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return (42, 974.4362182)
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case "dinov2_vitl14_reg4":
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return (42, 924.8797607)
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case _:
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raise ValueError(f"Unexpected DINOv2 flavor: {flavor}")
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@pytest.fixture(scope="module")
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def our_backbone(test_weights_path: Path, flavor: str, test_device: torch.device) -> ViT:
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weights = test_weights_path / f"{flavor}_pretrain.safetensors"
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@ -38,6 +66,12 @@ def our_backbone(test_weights_path: Path, flavor: str, test_device: torch.device
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backbone = DINOv2_base(device=test_device)
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case "dinov2_vitl14":
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backbone = DINOv2_large(device=test_device)
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case "dinov2_vits14_reg4":
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backbone = DINOv2_small_reg(device=test_device)
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case "dinov2_vitb14_reg4":
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backbone = DINOv2_base_reg(device=test_device)
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case "dinov2_vitl14_reg4":
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backbone = DINOv2_large_reg(device=test_device)
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case _:
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raise ValueError(f"Unexpected DINOv2 flavor: {flavor}")
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tensors = load_from_safetensors(weights)
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@ -47,6 +81,12 @@ def our_backbone(test_weights_path: Path, flavor: str, test_device: torch.device
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@pytest.fixture(scope="module")
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def dinov2_weights_path(test_weights_path: Path, flavor: str):
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# TODO: At the time of writing, those are not yet supported in transformers
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# (https://github.com/huggingface/transformers/issues/27379). Alternatively, it is also possible to use
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# facebookresearch/dinov2 directly (https://github.com/finegrain-ai/refiners/pull/132).
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if flavor.endswith("_reg4"):
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warn(f"DINOv2 with registers are not yet supported in Hugging Face, skipping")
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pytest.skip(allow_module_level=True)
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match flavor:
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case "dinov2_vits14":
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name = "dinov2-small"
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@ -89,3 +129,19 @@ def test_encoder(
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our_features = our_backbone(x)
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assert (our_features - ref_features).abs().max() < 1e-3
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# Mainly for DINOv2 + registers coverage (this test can be removed once `test_encoder` supports all flavors)
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def test_encoder_only(
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our_backbone: ViT,
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seed_expected_norm: tuple[int, float],
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test_device: torch.device,
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):
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seed, expected_norm = seed_expected_norm
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manual_seed(seed)
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x = torch.randn(1, 3, 518, 518).to(test_device)
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our_features = our_backbone(x)
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assert isclose(our_features.norm().item(), expected_norm, rel_tol=1e-04)
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