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71 lines
3.4 KiB
Python
71 lines
3.4 KiB
Python
import unittest
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from tinygrad.dtype import dtypes
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from tinygrad.ops import BinaryOps
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from tinygrad.codegen.uops import UOpGraph, UOps, PatternMatcher, UOp
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class TestPatternMatcher(unittest.TestCase):
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def test_simple_match(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.CONST, "dtype": dtypes.float}, lambda x: x)])
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c1 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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c2 = UOp(UOps.CONST, dtypes.int, arg=1)
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self.assertEqual(matcher.rewrite(c1), c1)
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self.assertEqual(matcher.rewrite(c2), None)
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def test_vin_one(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.ALU, "vin":({"uop": UOps.CONST}, {"uop": UOps.CONST})}, lambda x: x)])
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c1 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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c2 = UOp(UOps.CONST, dtypes.float, arg=2.0)
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c3 = UOp(UOps.ALU, dtypes.float, (c1,c2), BinaryOps.ADD)
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self.assertEqual(matcher.rewrite(c3), c3)
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self.assertEqual(matcher.rewrite(c2), None)
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def test_vin_permutations(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.ALU, "vin":[{"uop": UOps.CONST}, {"uop": UOps.ALU}]}, lambda x: x)])
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c1 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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c2 = UOp(UOps.CONST, dtypes.float, arg=2.0)
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c3 = UOp(UOps.ALU, dtypes.float, (c1,c2), BinaryOps.ADD)
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c4 = UOp(UOps.ALU, dtypes.float, (c3,c2), BinaryOps.ADD)
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c5 = UOp(UOps.ALU, dtypes.float, (c2,c3), BinaryOps.ADD)
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c6 = UOp(UOps.ALU, dtypes.float, (c3,c4), BinaryOps.ADD)
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self.assertEqual(matcher.rewrite(c3), None)
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self.assertEqual(matcher.rewrite(c4), c4)
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self.assertEqual(matcher.rewrite(c5), c5)
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self.assertEqual(matcher.rewrite(c6), None)
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def test_vin_repeat(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.ALU, "vin":{"uop": UOps.CONST}}, lambda x: x)])
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c1 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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c2 = UOp(UOps.CONST, dtypes.float, arg=2.0)
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c3 = UOp(UOps.ALU, dtypes.float, (c1,c2), BinaryOps.ADD)
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c4 = UOp(UOps.ALU, dtypes.float, (c2,c3), BinaryOps.ADD)
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self.assertEqual(matcher.rewrite(c3), c3)
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self.assertEqual(matcher.rewrite(c4), None)
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def test_rewrite_graph_folds(self):
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uops = UOpGraph()
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uops.add(UOps.CONST, dtypes.float, arg=2.0, simplify=False)
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.CONST, "dtype": dtypes.float},
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lambda x: UOp(UOps.CAST, dtypes.int, (UOp(UOps.ALU, x.dtype, (x,x), BinaryOps.ADD),)))])
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matcher.rewrite_graph(uops)
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def _to_key(u): return (u.uop, u.dtype, u.arg)
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self.assertEqual(_to_key(UOp(UOps.CONST, dtypes.int, arg=4)), _to_key(uops.uops[-1]))
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def test_rewrite_graph_adds(self):
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uops = UOpGraph()
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uops.add(UOps.CONST, dtypes.int, arg=2, simplify=False)
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.CONST, "dtype": dtypes.int},
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lambda x: UOp(UOps.STORE, x.dtype, (UOp(UOps.DEFINE_GLOBAL, x.dtype, tuple(), None), x)))])
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matcher.rewrite_graph(uops)
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uops.remove_childless(set(x for x in uops if x.uop in {UOps.STORE}))
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e1 = UOp(UOps.CONST, dtypes.int, arg=2)
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e2 = UOp(UOps.DEFINE_GLOBAL, dtypes.int, tuple())
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e3 = UOp(UOps.STORE, dtypes.int, (e2,e1))
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def _to_key(u): return (u.uop, u.dtype, u.arg)
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self.assertEqual(_to_key(e1), _to_key(uops.uops[0]))
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self.assertEqual(_to_key(e2), _to_key(uops.uops[1]))
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self.assertEqual(_to_key(e3), _to_key(uops.uops[2]))
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self.assertEqual(len(uops.uops), 3)
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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