mirror of https://github.com/commaai/tinygrad.git
51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
import unittest
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from tinygrad import dtypes, Variable
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from tinygrad.ops import BinaryOps, TernaryOps
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from tinygrad.codegen.uops import UOpGraph, UOps
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class TestUOpGraph(unittest.TestCase):
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def test_add_constant_fold(self):
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g = UOpGraph()
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c1 = g.add(UOps.CONST, dtypes.float, arg=1.0)
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c2 = g.add(UOps.CONST, dtypes.float, arg=2.0)
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out = g.add(UOps.ALU, dtypes.float, (c1, c2), BinaryOps.ADD)
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g.remove_childless({out})
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self.assertEqual(len(g.uops), 1)
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self.assertEqual(out.uop, UOps.CONST)
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self.assertEqual(out.arg, 3.0)
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def test_where_same_fold(self):
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g = UOpGraph()
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v = g.add(UOps.DEFINE_VAR, dtypes.int, arg=Variable('tmp', 0, 1))
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c0 = g.add(UOps.CONST, dtypes.int, arg=0)
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vc = g.add(UOps.ALU, dtypes.bool, (v, c0), BinaryOps.CMPEQ)
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c1 = g.add(UOps.CONST, dtypes.float, arg=1.0)
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out = g.add(UOps.ALU, dtypes.float, (vc, c1, c1), TernaryOps.WHERE)
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g.remove_childless({out})
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self.assertEqual(len(g.uops), 1)
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self.assertEqual(out.uop, UOps.CONST)
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self.assertEqual(out.arg, 1.0)
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def test_where_const_fold(self):
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g = UOpGraph()
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bf = g.add(UOps.CONST, dtypes.bool, arg=False)
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c1 = g.add(UOps.CONST, dtypes.float, arg=1.0)
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c2 = g.add(UOps.CONST, dtypes.float, arg=2.0)
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out = g.add(UOps.ALU, dtypes.float, (bf, c1, c2), TernaryOps.WHERE)
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g.remove_childless({out})
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self.assertEqual(len(g.uops), 1)
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self.assertEqual(out.uop, UOps.CONST)
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self.assertEqual(out.arg, 2.0)
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def test_const_cast(self):
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g = UOpGraph()
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bf = g.add(UOps.CONST, dtypes.bool, arg=False)
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out = g.add(UOps.CAST, dtypes.int, (bf,))
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g.remove_childless({out})
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self.assertEqual(len(g.uops), 1)
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self.assertEqual(out.uop, UOps.CONST)
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self.assertEqual(out.arg, 0)
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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