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eefc084302
version: sunnypilot v2025.003.000 (dev) date: 2025-12-18T05:48:43 master commit: 16c052af0835f049a67b80251d8cc1114fc08bb4
30 lines
950 B
Python
30 lines
950 B
Python
import unittest
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from tinygrad.helpers import getenv
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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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@unittest.skipIf(getenv("GPUS",1)<=1, "only single GPU")
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class TestTorchBackendMultiGPU(unittest.TestCase):
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def test_transfer(self):
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a = torch.Tensor([[1,2],[3,4]]).to("tiny:0")
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b = torch.Tensor([[3,2],[1,0]]).to("tiny:1")
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self.assertNotEqual(a.device, b.device)
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np.testing.assert_array_equal(a.cpu(), a.to("tiny:1").cpu())
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np.testing.assert_array_equal(b.cpu(), b.to("tiny:1").cpu())
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def test_basic_ops(self):
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a = torch.Tensor([[1,2],[3,4]]).to("tiny:0")
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b = torch.Tensor([[3,2],[1,0]]).to("tiny:1")
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c1 = a + b.to("tiny:0")
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c2 = b + a.to("tiny:1")
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np.testing.assert_array_equal(c1.cpu(), torch.full((2,2),4).cpu())
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np.testing.assert_array_equal(c1.cpu(), c2.cpu())
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# TODO: torch.distributed functions
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if __name__ == "__main__":
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unittest.main()
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