carrot/tinygrad_repo/test/unit/test_device.py
Vehicle Researcher 8eb8330d95 openpilot v0.9.9 release
date: 2025-03-08T09:09:29
master commit: ce355250be726f9bc8f0ac165a6cde41586a983d
2025-03-08 09:09:31 +00:00

54 lines
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Python

#!/usr/bin/env python
import unittest
from unittest.mock import patch
import os
from tinygrad import Tensor
from tinygrad.device import Device, Compiler
from tinygrad.helpers import diskcache_get, diskcache_put, getenv
class TestDevice(unittest.TestCase):
def test_canonicalize(self):
self.assertEqual(Device.canonicalize(None), Device.DEFAULT)
self.assertEqual(Device.canonicalize("CPU"), "CPU")
self.assertEqual(Device.canonicalize("cpu"), "CPU")
self.assertEqual(Device.canonicalize("GPU"), "GPU")
self.assertEqual(Device.canonicalize("GPU:0"), "GPU")
self.assertEqual(Device.canonicalize("gpu:0"), "GPU")
self.assertEqual(Device.canonicalize("GPU:1"), "GPU:1")
self.assertEqual(Device.canonicalize("gpu:1"), "GPU:1")
self.assertEqual(Device.canonicalize("GPU:2"), "GPU:2")
self.assertEqual(Device.canonicalize("disk:/dev/shm/test"), "DISK:/dev/shm/test")
self.assertEqual(Device.canonicalize("disk:000.txt"), "DISK:000.txt")
def test_getitem_not_exist(self):
with self.assertRaises(ModuleNotFoundError):
Device["TYPO"]
class MockCompiler(Compiler):
def __init__(self, key): super().__init__(key)
def compile(self, src) -> bytes: return src.encode()
class TestCompiler(unittest.TestCase):
def test_compile_cached(self):
diskcache_put("key", "123", None) # clear cache
getenv.cache_clear()
with patch.dict(os.environ, {"DISABLE_COMPILER_CACHE": "0"}, clear=True):
self.assertEqual(MockCompiler("key").compile_cached("123"), str.encode("123"))
self.assertEqual(diskcache_get("key", "123"), str.encode("123"))
def test_compile_cached_disabled(self):
diskcache_put("disabled_key", "123", None) # clear cache
getenv.cache_clear()
with patch.dict(os.environ, {"DISABLE_COMPILER_CACHE": "1"}, clear=True):
self.assertEqual(MockCompiler("disabled_key").compile_cached("123"), str.encode("123"))
self.assertIsNone(diskcache_get("disabled_key", "123"))
def test_device_compile(self):
getenv.cache_clear()
with patch.dict(os.environ, {"DISABLE_COMPILER_CACHE": "1"}):
a = Tensor([0.,1.], device=Device.DEFAULT).realize()
(a + 1).realize()
if __name__ == "__main__":
unittest.main()