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perf(test): cache SwinUNETR SSL weights instead of re-downloading #8987

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perf(test): cache SwinUNETR SSL weights instead of re-downloading #8987

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perf(test): cache SwinUNETR SSL weights instead of re-downloading
aymuos15 Jul 9, 2026
0f424c5
Merge branch 'dev' into perf/swinunetr-cache-ssl-weights
aymuos15 Jul 9, 2026
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29 changes: 15 additions & 14 deletions tests/networks/nets/test_swin_unetr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,8 @@
from __future__ import annotations

import os
import tempfile
import unittest
from pathlib import Path
from unittest import skipUnless

import torch
Expand All @@ -35,6 +35,8 @@

einops, has_einops = optional_import("einops")

TESTS_PATH = Path(__file__).parents[2]

test_merging_mode = ["mergingv2", "merging", PatchMerging, PatchMergingV2]
checkpoint_vals = [True, False]

Expand Down Expand Up @@ -111,19 +113,18 @@ def test_patch_merging(self):
@skip_if_no_cuda
def test_filter_swinunetr(self, input_param, key, value):
with skip_if_downloading_fails():
with tempfile.TemporaryDirectory() as tempdir:
file_name = "ssl_pretrained_weights.pth"
data_spec = testing_data_config("models", f"{file_name.split('.', 1)[0]}")
weight_path = os.path.join(tempdir, file_name)
download_url(
data_spec["url"], weight_path, hash_val=data_spec["hash_val"], hash_type=data_spec["hash_type"]
)

ssl_weight = torch.load(weight_path, weights_only=True)["model"]
net = SwinUNETR(**input_param)
dst_dict, loaded, not_loaded = copy_model_state(net, ssl_weight, filter_func=filter_swinunetr)
assert_allclose(dst_dict[key][:8], value, atol=1e-4, rtol=1e-4, type_test=False)
self.assertTrue(len(loaded) == 157 and len(not_loaded) == 2)
file_name = "ssl_pretrained_weights.pth"
data_spec = testing_data_config("models", f"{file_name.split('.', 1)[0]}")
weight_path = os.path.join(TESTS_PATH, "testing_data", f"temp_{file_name}")
download_url(
data_spec["url"], weight_path, hash_val=data_spec["hash_val"], hash_type=data_spec["hash_type"]
)

ssl_weight = torch.load(weight_path, weights_only=True)["model"]
net = SwinUNETR(**input_param)
dst_dict, loaded, not_loaded = copy_model_state(net, ssl_weight, filter_func=filter_swinunetr)
assert_allclose(dst_dict[key][:8], value, atol=1e-4, rtol=1e-4, type_test=False)
self.assertTrue(len(loaded) == 157 and len(not_loaded) == 2)


if __name__ == "__main__":
Expand Down
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