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StarPilot/tinygrad_repo/test/external/external_test_metrics.py
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firestar5683 22a8575199 Vendor dependencies and resources for standalone builds
Keep official openpilot ancestry and dependency licenses. Store resources directly in Git, remove LFS setup requirements, and leave the downloadable big model outside the source tree.
2026-10-03 21:01:18 +00:00

42 lines
2.3 KiB
Python

from tinygrad import Tensor
from test.external.mlperf_unet3d.dice import DiceScore
from examples.mlperf.metrics import dice_score, log_perplexity
import numpy as np
import torch
import unittest, math
class ExternalTestMetrics(unittest.TestCase):
def _test_metrics(self, tinygrad_metrics, orig_metrics, pred, label, atol=1e-8, rtol=1e-7):
tinygrad_metrics_res = tinygrad_metrics(Tensor(pred), Tensor(label)).squeeze().numpy()
orig_metrics_res = orig_metrics(torch.from_numpy(pred), torch.from_numpy(label)).numpy()
np.testing.assert_allclose(tinygrad_metrics_res, orig_metrics_res, atol=atol, rtol=rtol)
def test_dice(self):
pred, label = np.random.rand(1, 3, 128, 128, 128).astype(np.float32), np.ones((1, 1, 128, 128, 128)).astype(np.uint8)
self._test_metrics(dice_score, DiceScore(), pred, label)
def test_log_perplexity(self):
# equally likely
np.testing.assert_allclose(log_perplexity(Tensor([[[1.0, 1, 1, 1]]]), Tensor([[2]])).numpy(), math.log(4))
np.testing.assert_allclose(log_perplexity(Tensor([[[1.0]*256]*32]), Tensor([[2]*32])).numpy(), math.log(256), rtol=1e-6)
# pretty correct and incorrect
np.testing.assert_allclose(log_perplexity(Tensor([[[10000., 0, 0, 0]]]), Tensor([[0]])).numpy(), 0)
np.testing.assert_allclose(log_perplexity(Tensor([[[0.0, 10000, 10000, 10000]]]), Tensor([[0]])).numpy(), 10000, rtol=1e-3)
# higher logit -> lower loss
x = Tensor([[[4.0, 3, 2, 1]]])
for i in range(x.numel()-1): self.assertLess(log_perplexity(x, Tensor([[i]])).item(), log_perplexity(x, Tensor([[i+1]])).item())
# torch eval examples
np.testing.assert_allclose(
log_perplexity(Tensor([[[0.3659, 0.7025, 0.3104], [0.0097, 0.6577, 0.1947]]]), Tensor([[2, 1]])).exp().numpy(),
2.7593, rtol=1e-5)
np.testing.assert_allclose(
log_perplexity(Tensor([[[0.3, 0.7, 0.3, 0.1], [0.5, 0.4, 0.1, 0.4],[0.1, 0.1, 0.2, 0.5]],
[[0.1, 0.6, 0.1, 0.5], [0.3, 0.7, 0.3, 0.4], [0.3, 0.7, 0.3, 0.4]]]), Tensor([[2, 1, 3], [1, 0, 1]])).exp().numpy(),
3.6216, rtol=1e-5)
np.testing.assert_allclose(
log_perplexity(Tensor([[[0.3659, 0.7025, 0.3104], [0.0097, 0.6577, 0.1947]]]), Tensor([[2, 1]]), ignore_index=1).exp().numpy(),
3.5372, rtol=1e-4)
if __name__ == '__main__':
unittest.main()