mirror of https://github.com/commaai/tinygrad.git
55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
#!/usr/bin/env python
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import unittest
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import secrets
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import string
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from tinygrad.tensor import Tensor
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from tinygrad import Device
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from tinygrad.helpers import diskcache
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def generate_random_string(length=16):
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alphabet = string.ascii_letters + string.digits
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return ''.join(secrets.choice(alphabet) for _ in range(length))
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compile_call_count = 0
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@diskcache
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def helper_test_compile(prg:str) -> bytes:
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global compile_call_count
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compile_call_count += 1
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return prg.encode()
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class TestKernelCache(unittest.TestCase):
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def test_compile_cache(self):
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prg1 = generate_random_string(64) + "a"
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prg2 = generate_random_string(64) + "b"
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cold_compile_res = helper_test_compile(prg1)
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warm_compile_res = helper_test_compile(prg1)
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assert cold_compile_res == warm_compile_res == prg1.encode()
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assert compile_call_count == 1
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prg2_res = helper_test_compile(prg2)
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assert prg2_res == prg2.encode()
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assert compile_call_count == 2
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def test_kernel_cache_in_action(self):
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if Device.DEFAULT not in ["CLANG"]:
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self.skipTest("No custom kernel cache is implemented")
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a = Tensor.rand(4,4)
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b = Tensor.rand(4,4)
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x = a + b
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x.realize()
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orig_compile_func = Device['CLANG'].compiler
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Device['CLANG'].compiler = None # making it not callable
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a1 = Tensor.rand(4,4)
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b1 = Tensor.rand(4,4)
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x1 = a1 + b1
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x1.realize() # Same kernel should be from cache.
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Device['CLANG'].compiler = orig_compile_func
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if __name__ == "__main__":
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unittest.main()
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