Vehicle Researcher
6adb63b915
date: 2026-06-04T09:49:56 master commit: c0ab3550eca2e9daf197c46b7e4b24aa9637cf2e
41 lines
1.7 KiB
Python
41 lines
1.7 KiB
Python
import unittest
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from unittest.mock import patch
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from tinygrad import Device
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from tinygrad.device import Buffer
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from tinygrad.dtype import dtypes
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from tinygrad.runtime.ops_cl import CLDevice, CLAllocator, CLCompiler, CLProgram
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@unittest.skipUnless(Device.DEFAULT == "CL", "Runs only on OpenCL")
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class TestCLCompileCache(unittest.TestCase):
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def test_compile_cached(self):
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device = Device[Device.DEFAULT]
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src = "__kernel void cached_test(__global int* a) { a[0] = 1; }"
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CLProgram(device, name="cached_test", lib=src.encode())
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with patch.object(CLCompiler, 'compile', side_effect=RuntimeError("compile should not be called on cache hit")):
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CLProgram(device, name="cached_test", lib=src.encode())
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@unittest.skipUnless(Device.DEFAULT == "CL", "Runs only on OpenCL")
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class TestCLError(unittest.TestCase):
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@unittest.skip("allocates tons of memory")
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def test_oom(self):
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with self.assertRaises(RuntimeError) as err:
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allocator = CLAllocator(CLDevice())
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for i in range(1_000_000):
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allocator.alloc(1_000_000_000)
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assert str(err.exception) == "OpenCL Error -6: CL_OUT_OF_HOST_MEMORY"
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def test_invalid_kernel_name(self):
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device = Device[Device.DEFAULT]
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with self.assertRaises(RuntimeError) as err:
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CLProgram(device, name="", lib="__kernel void test(__global int* a) { a[0] = 1; }".encode())
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assert str(err.exception) == "OpenCL Error -46: CL_INVALID_KERNEL_NAME"
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def test_unaligned_copy(self):
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data = list(range(65))
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unaligned = memoryview(bytearray(data))[1:]
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buffer = Buffer("CL", 64, dtypes.uint8).allocate()
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buffer.copyin(unaligned)
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result = memoryview(bytearray(len(data) - 1))
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buffer.copyout(result)
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assert unaligned == result, "Unaligned data copied in must be equal to data copied out."
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