73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
# Copyright The Lightning AI team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Any, Dict
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import torch
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from lightning.fabric.accelerators import ACCELERATOR_REGISTRY, Accelerator
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def test_accelerator_registry_with_new_accelerator():
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accelerator_name = "custom_accelerator"
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accelerator_description = "Custom Accelerator"
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class CustomAccelerator(Accelerator):
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def __init__(self, param1, param2):
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self.param1 = param1
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self.param2 = param2
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super().__init__()
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def setup_device(self, device: torch.device) -> None:
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pass
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def get_device_stats(self, device: torch.device) -> Dict[str, Any]:
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pass
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def teardown(self) -> None:
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pass
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@staticmethod
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def parse_devices(devices):
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return devices
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@staticmethod
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def get_parallel_devices(devices):
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return ["foo"] * devices
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@staticmethod
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def auto_device_count():
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return 3
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@staticmethod
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def is_available():
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return True
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ACCELERATOR_REGISTRY.register(
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accelerator_name, CustomAccelerator, description=accelerator_description, param1="abc", param2=123
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)
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assert accelerator_name in ACCELERATOR_REGISTRY
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assert ACCELERATOR_REGISTRY[accelerator_name]["description"] == accelerator_description
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assert ACCELERATOR_REGISTRY[accelerator_name]["init_params"] == {"param1": "abc", "param2": 123}
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assert ACCELERATOR_REGISTRY[accelerator_name]["accelerator_name"] == accelerator_name
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assert isinstance(ACCELERATOR_REGISTRY.get(accelerator_name), CustomAccelerator)
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ACCELERATOR_REGISTRY.remove(accelerator_name)
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assert accelerator_name not in ACCELERATOR_REGISTRY
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def test_available_accelerators_in_registry():
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assert ACCELERATOR_REGISTRY.available_accelerators() == ["cpu", "cuda", "mps", "tpu"]
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