mirror of https://github.com/commaai/tinygrad.git
79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
import itertools
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import random
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from tinygrad import Variable, dtypes
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from tinygrad.ops import UOp
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from tinygrad.helpers import DEBUG
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random.seed(42)
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def add_v(expr, rng=None):
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if rng is None: rng = random.randint(0,2)
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return expr + v[rng], rng
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def div(expr, rng=None):
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if rng is None: rng = random.randint(1,9)
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return expr // rng, rng
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def mul(expr, rng=None):
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if rng is None: rng = random.randint(-4,4)
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return expr * rng, rng
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def mod(expr, rng=None):
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if rng is None: rng = random.randint(1,9)
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return expr % rng, rng
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def add_num(expr, rng=None):
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if rng is None: rng = random.randint(-4,4)
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return expr + rng, rng
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def lt(expr, rng=None):
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if rng is None: rng = random.randint(-4,4)
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return expr < rng, rng
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def ge(expr, rng=None):
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if rng is None: rng = random.randint(-4,4)
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return expr >= rng, rng
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def le(expr, rng=None):
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if rng is None: rng = random.randint(-4,4)
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return expr <= rng, rng
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def gt(expr, rng=None):
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if rng is None: rng = random.randint(-4,4)
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return expr > rng, rng
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# NOTE: you have to replace these for this test to pass
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from tinygrad.ops import python_alu, BinaryOps
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python_alu[BinaryOps.MOD] = lambda x,y: x%y
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python_alu[BinaryOps.IDIV] = lambda x,y: x//y
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if __name__ == "__main__":
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ops = [add_v, div, mul, add_num, mod]
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for _ in range(1000):
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upper_bounds = [*list(range(1, 10)), 16, 32, 64, 128, 256]
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u1 = Variable("v1", 0, random.choice(upper_bounds))
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u2 = Variable("v2", 0, random.choice(upper_bounds))
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u3 = Variable("v3", 0, random.choice(upper_bounds))
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v = [u1,u2,u3]
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tape = [random.choice(ops) for _ in range(random.randint(2, 30))]
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# 10% of the time, add one of lt, le, gt, ge
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if random.random() < 0.1: tape.append(random.choice([lt, le, gt, ge]))
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expr = UOp.const(dtypes.int, 0)
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rngs = []
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for t in tape:
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expr, rng = t(expr)
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if DEBUG >= 1: print(t.__name__, rng)
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rngs.append(rng)
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if DEBUG >=1: print(expr)
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space = list(itertools.product(range(u1.vmin, u1.vmax+1), range(u2.vmin, u2.vmax+1), range(u3.vmin, u3.vmax+1)))
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volume = len(space)
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for (v1, v2, v3) in random.sample(space, min(100, volume)):
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v = [v1,v2,v3]
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rn = 0
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for t,r in zip(tape, rngs): rn, _ = t(rn, r)
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num = eval(expr.render())
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if num != rn:
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unsimplified_num = eval(expr.render(simplify=False))
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assert unsimplified_num == rn, "UNSIMPLIFIED MISMATCH!"
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assert num == rn, f"mismatched {expr.render()} at {v1=} {v2=} {v3=} = {num} != {rn}\n{expr.render(simplify=False)}"
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if DEBUG >= 1: print(f"matched {expr.render()} at {v1=} {v2=} {v3=} = {num} == {rn}")
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