Source code for espressomd.cuda_init

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# Copyright (C) 2013-2022 The ESPResSo project
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from .script_interface import script_interface_register, ScriptInterfaceHelper


[docs] @script_interface_register class CudaInitHandle(ScriptInterfaceHelper): """ Attributes ---------- device: :obj:`int` Device id to use. Methods ------- list_devices() List devices. Returns ------- :obj:`dict` : Available CUDA devices sorted by device id. """ _so_name = "System::CudaInitHandle" _so_creation_policy = "GLOBAL" _so_bind_methods = ("list_devices",)
[docs] def list_devices_properties(self): """ List devices with their properties on each host machine. Returns ------- :obj:`dict` : Available CUDA devices with their properties sorted by hostname and device id. """ out = self.call_method("list_devices_properties") for listing in out.values(): for dev in listing.values(): dev["compute_capability"] = tuple(dev["compute_capability"]) return out
[docs] def gpu_available(): """ Check whether there is at least one compatible GPU available. """ n_compatible_gpus = CudaInitHandle().call_method("get_n_gpus") return n_compatible_gpus > 0