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https://github.com/tinygrad/tinygrad.git
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e89bc42cc7
* add pattern matcher regression tests * Remove test for dtype str after rebasing * Make test uops match type spec * leave const const, add const alu vin test * correct uops * actually correct uops
163 lines
7.6 KiB
Python
163 lines
7.6 KiB
Python
import unittest
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from tinygrad.dtype import dtypes
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from tinygrad.ops import BinaryOps, TernaryOps, UnaryOps
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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 assert_equiv_uops(self, uop1:UOp, uop2:UOp):
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# NOTE: direct UOps __eq__ is comparing object reference, use this function to compare two uops
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self.assertEqual(uop1.uop, uop2.uop)
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self.assertEqual(uop1.dtype, uop2.dtype)
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self.assertEqual(uop1.arg, uop2.arg)
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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_uop(self):
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matcher = PatternMatcher([({"__name__": "x", "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.ALU, dtypes.float, (c1, c1), BinaryOps.ADD)
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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_uop_set(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": {UOps.CONST, UOps.CAST}}, lambda x: x)])
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c1 = UOp(UOps.CONST, dtypes.bool, arg=False)
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c2 = UOp(UOps.CAST, dtypes.int, (c1,))
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c3 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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c4 = UOp(UOps.ALU, dtypes.float, (c3, c3), BinaryOps.ADD)
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self.assertEqual(matcher.rewrite(c1), c1)
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self.assertEqual(matcher.rewrite(c2), c2)
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self.assertEqual(matcher.rewrite(c4), None)
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def test_arg(self):
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matcher = PatternMatcher([
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({"__name__": "x", "uop": UOps.CONST, "arg": 0}, lambda x: x),
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({"__name__": "x", "uop": UOps.CONST, "arg": False}, lambda x: x),
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({"__name__": "x", "uop": UOps.ALU, "arg": BinaryOps.MAX}, lambda x: x),
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])
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c1 = UOp(UOps.CONST, dtypes.float, arg=0.0)
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c2 = UOp(UOps.CONST, dtypes.bool, arg=False)
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c3 = UOp(UOps.ALU, dtypes.float, (c1, c1), arg=BinaryOps.MAX)
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c4 = UOp(UOps.ALU, dtypes.float, (c1, c1), arg=BinaryOps.MUL)
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c5 = 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), c2)
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self.assertEqual(matcher.rewrite(c3), c3)
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self.assertEqual(matcher.rewrite(c4), None)
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self.assertEqual(matcher.rewrite(c5), None)
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def test_dup_name(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.ALU, "vin": ({"uop": UOps.CONST, "__name__": "y"}, {"__name__": "y"})},
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lambda x, y: x)])
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y1 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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y2 = UOp(UOps.CONST, dtypes.float, arg=1.0)
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c1 = UOp(UOps.ALU, dtypes.float, (y1, y1), BinaryOps.ADD)
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c2 = UOp(UOps.ALU, dtypes.float, (y1, y2), BinaryOps.ADD)
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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_dtype(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.CONST, "dtype": dtypes.float32}, 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.float64, arg=1.0)
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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_dtype_set(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.CONST, "dtype": set([dtypes.float32, dtypes.float64])}, 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.float64, arg=1.0)
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c3 = UOp(UOps.CONST, dtypes.float16, arg=1.0)
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c4 = 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), c2)
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self.assertEqual(matcher.rewrite(c3), None)
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self.assertEqual(matcher.rewrite(c4), 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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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.ALU, "vin":({"uop": UOps.CONST}, {"uop": UOps.ALU})}, lambda x: x)])
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c4 = UOp(UOps.ALU, dtypes.float, (c1,c3), BinaryOps.ADD)
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c5 = UOp(UOps.ALU, dtypes.float, (c3,c1), 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), 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_allow_len(self):
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matcher = PatternMatcher([({"__name__": "x", "uop": UOps.ALU, "vin": ({"uop": UOps.CONST},), "__allow_len__": {3}}, 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.CONST, dtypes.float, arg=3.0)
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c5 = UOp(UOps.ALU, dtypes.float, (c1,), UnaryOps.NEG)
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c6 = UOp(UOps.ALU, dtypes.float, (c1,c2), BinaryOps.ADD)
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c7 = UOp(UOps.ALU, dtypes.float, (c1,c2,c3), TernaryOps.MULACC)
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self.assertEqual(matcher.rewrite(c5), c5)
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self.assertEqual(matcher.rewrite(c6), None)
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self.assertEqual(matcher.rewrite(c7), c7)
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@unittest.skip("no longer supported")
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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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# TODO: fix this. it's 2 now
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# self.assertEqual(len(uops.uops), 1)
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self.assertEqual(len(uops.uops), 2)
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self.assert_equiv_uops(UOp(UOps.CONST, dtypes.int, arg=4), uops.uops[-1])
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@unittest.skip("no longer supported")
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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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self.assertEqual(len(uops.uops), 3)
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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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self.assert_equiv_uops(e1, uops.uops[0])
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self.assert_equiv_uops(e2, uops.uops[1])
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self.assert_equiv_uops(e3, uops.uops[2])
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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