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72 lines
1.9 KiB
72 lines
1.9 KiB
3 days ago
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import unittest
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import torch
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import tinygrad.frontend.torch
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torch.set_default_device("tiny")
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import numpy as np
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class TestTorchBackendInplace(unittest.TestCase):
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def test_zero(self):
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a = torch.ones(4)
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a.zero_()
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np.testing.assert_equal(a.cpu().numpy(), [0,0,0,0])
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def test_view_zero(self):
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a = torch.ones(4)
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a.view((2, 2)).zero_()
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np.testing.assert_equal(a.cpu().numpy(), [0,0,0,0])
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def test_slice_zero(self):
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a = torch.ones(4)
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a[2:].zero_()
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np.testing.assert_equal(a.cpu().numpy(), [1,1,0,0])
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def test_slice_permute_zero(self):
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a = torch.ones((3,2))
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a.permute(1,0)[1:].zero_()
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np.testing.assert_equal(a.cpu().numpy(), [[1,0],[1,0],[1,0]])
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def test_slice_fill(self):
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a = torch.zeros(4)
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a[2:].fill_(2)
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np.testing.assert_equal(a.cpu().numpy(), [0,0,2,2])
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def test_slice_mul(self):
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a = torch.ones(4)
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a[:2] *= 3
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a[2:] *= 2
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np.testing.assert_equal(a.cpu().numpy(), [3,3,2,2])
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def test_stacked_mul(self):
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a = torch.ones((3,3))
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b = a[1:,1:].permute(1,0)
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c = b[1:,:]
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b *= 2
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c *= 3
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np.testing.assert_equal(a.cpu().numpy(), [[1,1,1],[1,2,6],[1,2,6]])
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def test_flatten_reshape_add(self):
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a = torch.zeros((2,2,12,32))
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b = a.flatten()
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c = b.reshape((48,32))
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a += 1
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b += 1
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c += 1
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np.testing.assert_equal(c.cpu().numpy(), torch.full((48,32),3).cpu().numpy())
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def test_noncontig(self):
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a = torch.empty_strided((4,4),(1,4), dtype=torch.int64)
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# self.assertFalse(a.is_contiguous()) # TODO: we are contiguous when it's not required
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a.zero_()
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b = a.view((4,4))
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b[1:3,:] += 1
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np.testing.assert_equal(a.cpu().numpy(), [[0]*4,[1]*4,[1]*4,[0]*4])
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def test_detach(self):
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a = torch.zeros(4)
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d = a.detach()
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d += torch.arange(4)
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np.testing.assert_array_equal(a.cpu(), torch.arange(4).cpu())
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if __name__ == "__main__":
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unittest.main()
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