mirror of https://github.com/commaai/tinygrad.git
90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
import unittest
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from math import prod
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from hypothesis import assume, given, settings, strategies as st
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from hypothesis.extra import numpy as stn
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import numpy as np
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import torch
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import tinygrad
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from tinygrad.helpers import CI
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settings.register_profile(__file__, settings.default,
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max_examples=100 if CI else 250, deadline=None)
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# torch wraparound for large numbers
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st_int32 = st.integers(-2147483648, 2147483647)
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@st.composite
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def st_shape(draw) -> tuple[int, ...]:
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s = draw(stn.array_shapes(min_dims=0, max_dims=6,
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min_side=0, max_side=512))
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assume(prod(s) <= 1024 ** 2)
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assume(prod([d for d in s if d]) <= 1024 ** 4)
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return s
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def tensors_for_shape(s:tuple[int, ...]) -> tuple[torch.tensor, tinygrad.Tensor]:
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x = np.arange(prod(s)).reshape(s)
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return torch.from_numpy(x), tinygrad.Tensor(x)
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def apply(tor, ten, tor_fn, ten_fn=None):
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ok = True
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try: tor = tor_fn(tor)
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except: tor, ok = None, not ok # noqa: E722
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try: ten = ten_fn(ten) if ten_fn is not None else tor_fn(ten)
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except: ten, ok = None, not ok # noqa: E722
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return tor, ten, ok
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class TestShapeOps(unittest.TestCase):
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@settings.get_profile(__file__)
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@given(st_shape(), st_int32, st.one_of(st_int32, st.lists(st_int32)))
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def test_split(self, s:tuple[int, ...], dim:int, sizes:int|list[int]):
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tor, ten = tensors_for_shape(s)
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tor, ten, ok = apply(tor, ten, lambda t: t.split(sizes, dim))
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assert ok
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if tor is None and ten is None: return
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assert len(tor) == len(ten)
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assert all([np.array_equal(tor.numpy(), ten.numpy()) for (tor, ten) in zip(tor, ten)])
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@settings.get_profile(__file__)
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@given(st_shape(), st_int32, st_int32)
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def test_chunk(self, s:tuple[int, ...], dim:int, num:int):
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# chunking on a 0 dim is cloning and leads to OOM if done unbounded.
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assume((0 <= (actual_dim := len(s)-dim if dim < 0 else dim) < len(s) and s[actual_dim] > 0) or
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(num < 32))
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tor, ten = tensors_for_shape(s)
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tor, ten, ok = apply(tor, ten, lambda t: t.chunk(num, dim))
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assert ok
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if tor is None and ten is None: return
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assert len(tor) == len(ten)
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assert all([np.array_equal(tor.numpy(), ten.numpy()) for (tor, ten) in zip(tor, ten)])
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@settings.get_profile(__file__)
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@given(st_shape(), st_int32)
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def test_squeeze(self, s:tuple[int, ...], dim:int):
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tor, ten = tensors_for_shape(s)
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tor, ten, ok = apply(tor, ten, lambda t: t.squeeze(dim))
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assert ok
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if tor is None and ten is None: return
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assert np.array_equal(tor.numpy(), ten.numpy())
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@settings.get_profile(__file__)
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@given(st_shape(), st_int32)
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def test_unsqueeze(self, s:tuple[int, ...], dim:int):
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tor, ten = tensors_for_shape(s)
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tor, ten, ok = apply(tor, ten, lambda t: t.unsqueeze(dim))
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assert ok
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if tor is None and ten is None: return
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assert np.array_equal(tor.numpy(), ten.numpy())
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if __name__ == '__main__':
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unittest.main()
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