tinygrad/test/test_ocl.py

32 lines
1.3 KiB
Python

import unittest
from tinygrad import Device
from tinygrad.device import Buffer
from tinygrad.dtype import dtypes
from tinygrad.helpers import CI
from tinygrad.runtime.ops_gpu import CLDevice, CLAllocator, CLCompiler, CLProgram
@unittest.skipUnless(Device.DEFAULT == "GPU", "Runs only on OpenCL (GPU)")
class TestCLError(unittest.TestCase):
@unittest.skipIf(CI, "dangerous for CI, it allocates tons of memory")
def test_oom(self):
with self.assertRaises(RuntimeError) as err:
allocator = CLAllocator(CLDevice())
for i in range(1_000_000):
allocator.alloc(1_000_000_000)
assert str(err.exception) == "OpenCL Error -6: CL_OUT_OF_HOST_MEMORY"
def test_invalid_kernel_name(self):
device = Device[Device.DEFAULT]
with self.assertRaises(RuntimeError) as err:
CLProgram(device, name="", lib=CLCompiler(device, "test").compile("__kernel void test(__global int* a) { a[0] = 1; }"))
assert str(err.exception) == "OpenCL Error -46: CL_INVALID_KERNEL_NAME"
def test_unaligned_copy(self):
data = list(range(65))
unaligned = memoryview(bytearray(data))[1:]
buffer = Buffer("GPU", 64, dtypes.uint8).allocate()
buffer.copyin(unaligned)
result = memoryview(bytearray(len(data) - 1))
buffer.copyout(result)
assert unaligned == result, "Unaligned data copied in must be equal to data copied out."