67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
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# Copyright The PyTorch Lightning 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 pytorch_lightning import Trainer
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from pytorch_lightning.accelerators import Accelerator, AcceleratorRegistry
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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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@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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AcceleratorRegistry.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 AcceleratorRegistry
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assert AcceleratorRegistry[accelerator_name]["description"] == accelerator_description
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assert AcceleratorRegistry[accelerator_name]["init_params"] == {"param1": "abc", "param2": 123}
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assert AcceleratorRegistry[accelerator_name]["accelerator_name"] == accelerator_name
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assert isinstance(AcceleratorRegistry.get(accelerator_name), CustomAccelerator)
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trainer = Trainer(accelerator=accelerator_name, devices="auto")
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assert isinstance(trainer.accelerator, CustomAccelerator)
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assert trainer._accelerator_connector.parallel_devices == ["foo"] * 3
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AcceleratorRegistry.remove(accelerator_name)
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assert accelerator_name not in AcceleratorRegistry
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def test_available_accelerators_in_registry():
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assert AcceleratorRegistry.available_accelerators() == ["cpu", "gpu", "ipu", "tpu"]
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