Source code for espressomd.cuda_init

# Copyright (C) 2013-2022 The ESPResSo project
# This file is part of ESPResSo.
# ESPResSo is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# ESPResSo is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
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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