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onepilot/tinygrad_repo/test/backend/test_kernel_cache.py
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Vehicle Researcher 6adb63b915 openpilot v0.11.1 release
date: 2026-06-04T09:49:56
master commit: c0ab3550eca2e9daf197c46b7e4b24aa9637cf2e
2026-06-04 09:50:05 -07:00

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Python

#!/usr/bin/env python
import unittest
from tinygrad.tensor import Tensor
from tinygrad import Device
class TestKernelCache(unittest.TestCase):
def test_kernel_cache_in_action(self):
if Device.DEFAULT not in ["CPU"]:
self.skipTest("No custom kernel cache is implemented")
unique_const = 0.6765677269
a = Tensor.rand(4,4).realize()
b = Tensor.rand(4,4).realize()
x = a + b + unique_const
x.realize()
a1 = Tensor.rand(4,4).realize()
b1 = Tensor.rand(4,4).realize()
orig_compile_func = Device['CPU'].compiler.compile_cached
Device['CPU'].compiler.compile_cached = None # making it not callable
try:
x1 = a1 + b1 + unique_const
x1.realize() # Same kernel should be from cache.
finally:
Device['CPU'].compiler.compile_cached = orig_compile_func
if __name__ == "__main__":
unittest.main()