| |
|
|
| import unittest |
|
|
| import mlx.core as mx |
| import mlx_tests |
|
|
|
|
| |
| class TestDefaultDevice(unittest.TestCase): |
| def test_mlx_default_device(self): |
| device = mx.default_device() |
| if mx.is_available(mx.gpu): |
| self.assertEqual(device, mx.Device(mx.gpu)) |
| self.assertEqual(str(device), "Device(gpu, 0)") |
| self.assertEqual(device, mx.gpu) |
| self.assertEqual(mx.gpu, device) |
| else: |
| self.assertEqual(device.type, mx.Device(mx.cpu)) |
| with self.assertRaises(ValueError): |
| mx.set_default_device(mx.gpu) |
|
|
|
|
| class TestDevice(mlx_tests.MLXTestCase): |
| def test_device(self): |
| device = mx.default_device() |
|
|
| cpu = mx.Device(mx.cpu) |
| mx.set_default_device(cpu) |
| self.assertEqual(mx.default_device(), cpu) |
| self.assertEqual(str(cpu), "Device(cpu, 0)") |
|
|
| mx.set_default_device(mx.cpu) |
| self.assertEqual(mx.default_device(), mx.cpu) |
| self.assertEqual(cpu, mx.cpu) |
| self.assertEqual(mx.cpu, cpu) |
|
|
| |
| mx.set_default_device(device) |
|
|
| @unittest.skipIf(not mx.is_available(mx.gpu), "GPU is not available") |
| def test_device_context(self): |
| default = mx.default_device() |
| diff = mx.cpu if default == mx.gpu else mx.gpu |
| self.assertNotEqual(default, diff) |
| with mx.stream(diff): |
| a = mx.add(mx.zeros((2, 2)), mx.ones((2, 2))) |
| mx.eval(a) |
| self.assertEqual(mx.default_device(), diff) |
| self.assertEqual(mx.default_device(), default) |
|
|
| def test_op_on_device(self): |
| x = mx.array(1.0) |
| y = mx.array(1.0) |
|
|
| a = mx.add(x, y, stream=None) |
| b = mx.add(x, y, stream=mx.default_device()) |
| self.assertEqual(a.item(), b.item()) |
| b = mx.add(x, y, stream=mx.cpu) |
| self.assertEqual(a.item(), b.item()) |
|
|
| if mx.metal.is_available(): |
| b = mx.add(x, y, stream=mx.gpu) |
| self.assertEqual(a.item(), b.item()) |
|
|
|
|
| class TestStream(mlx_tests.MLXTestCase): |
| def test_stream(self): |
| s1 = mx.default_stream(mx.default_device()) |
| self.assertEqual(s1.device, mx.default_device()) |
|
|
| s2 = mx.new_stream(mx.default_device()) |
| self.assertEqual(s2.device, mx.default_device()) |
| self.assertNotEqual(s1, s2) |
|
|
| if mx.is_available(mx.gpu): |
| s_gpu = mx.default_stream(mx.gpu) |
| self.assertEqual(s_gpu.device, mx.gpu) |
| else: |
| with self.assertRaises(ValueError): |
| mx.default_stream(mx.gpu) |
|
|
| s_cpu = mx.default_stream(mx.cpu) |
| self.assertEqual(s_cpu.device, mx.cpu) |
|
|
| s_cpu = mx.new_stream(mx.cpu) |
| self.assertEqual(s_cpu.device, mx.cpu) |
|
|
| if mx.is_available(mx.gpu): |
| s_gpu = mx.new_stream(mx.gpu) |
| self.assertEqual(s_gpu.device, mx.gpu) |
| else: |
| with self.assertRaises(ValueError): |
| mx.new_stream(mx.gpu) |
|
|
| def test_op_on_stream(self): |
| x = mx.array(1.0) |
| y = mx.array(1.0) |
|
|
| a = mx.add(x, y, stream=mx.default_stream(mx.default_device())) |
|
|
| if mx.is_available(mx.gpu): |
| b = mx.add(x, y, stream=mx.default_stream(mx.gpu)) |
| self.assertEqual(a.item(), b.item()) |
| s_gpu = mx.new_stream(mx.gpu) |
| b = mx.add(x, y, stream=s_gpu) |
| self.assertEqual(a.item(), b.item()) |
|
|
| b = mx.add(x, y, stream=mx.default_stream(mx.cpu)) |
| self.assertEqual(a.item(), b.item()) |
| s_cpu = mx.new_stream(mx.cpu) |
| b = mx.add(x, y, stream=s_cpu) |
| self.assertEqual(a.item(), b.item()) |
|
|
|
|
| if __name__ == "__main__": |
| mlx_tests.MLXTestRunner() |
|
|
