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https://github.com/tinygrad/tinygrad.git
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94 lines
2.6 KiB
Python
94 lines
2.6 KiB
Python
# basic self-contained tests of the external functionality of tinygrad
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import unittest, random
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from tinygrad import Tensor, Context, Variable, TinyJit, dtypes, Device
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from tinygrad.helpers import IMAGE
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class TestTiny(unittest.TestCase):
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# *** basic functionality ***
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def test_plus(self):
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out = Tensor([1.,2,3]) + Tensor([4.,5,6])
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self.assertListEqual(out.tolist(), [5.0, 7.0, 9.0])
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def test_plus_big(self):
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out = Tensor.ones(16).contiguous() + Tensor.ones(16).contiguous()
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self.assertListEqual(out.tolist(), [2]*16)
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def test_cat(self):
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out = Tensor.cat(Tensor.ones(8).contiguous(), Tensor.ones(8).contiguous())
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self.assertListEqual(out.tolist(), [1]*16)
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def test_sum(self):
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out = Tensor.ones(256).contiguous().sum()
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self.assertEqual(out.item(), 256)
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def test_gemm(self, N=4, out_dtype=dtypes.float):
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a = Tensor.ones(N,N).contiguous()
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b = Tensor.eye(N).contiguous()
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self.assertListEqual((out:=a@b).flatten().tolist(), [1.0]*(N*N))
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if IMAGE < 2: self.assertEqual(out.dtype, out_dtype)
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# *** randomness ***
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def test_random(self):
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out = Tensor.rand(10)
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for x in out.tolist():
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self.assertGreaterEqual(x, 0.0)
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self.assertLessEqual(x, 1.0)
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# *** JIT (for Python speed) ***
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def test_jit(self):
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cnt = 0
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random.seed(0)
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def new_rand_list(ln=10): return [random.randint(0, 100000) for _ in range(ln)]
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@TinyJit
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def fxn(a,b) -> Tensor:
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nonlocal cnt
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cnt += 1
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return a+b
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for _ in range(3):
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la,lb = new_rand_list(), new_rand_list()
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fa,fb = Tensor(la), Tensor(lb)
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ret = fxn(fa, fb)
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# math is correct
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self.assertListEqual(ret.tolist(), [a+b for a,b in zip(la, lb)])
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# function is only called twice
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self.assertEqual(cnt, 2)
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# *** BEAM (for Kernel speed) ***
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def test_beam(self):
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with Context(BEAM=1): self.test_plus()
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# *** symbolic (to allow less recompilation) ***
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def test_symbolic(self):
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i = Variable('i', 1, 10)
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for s in [2,5]:
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ret = Tensor.ones(s).contiguous().reshape(i.bind(s)) + 1
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self.assertListEqual(ret.reshape(s).tolist(), [2.0]*s)
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def test_symbolic_reduce(self):
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i = Variable('i', 1, 10)
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for s in [2,5]:
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ret = Tensor.ones(s).contiguous().reshape(i.bind(s)).sum()
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self.assertEqual(ret.item(), s)
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# *** image ***
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@unittest.skipIf(Device.DEFAULT != "GPU", "image only supported on GPU")
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def test_image(self):
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with Context(IMAGE=2): self.test_gemm(out_dtype=dtypes.imagef((4, 1, 4)))
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def test_beam_image(self):
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with Context(BEAM=1): self.test_image()
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if __name__ == '__main__':
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unittest.main()
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