Source code for pacman.model.partitioner_splitters.splitter_one_to_one_legacy

# Copyright (c) 2020 The University of Manchester
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging
from spinn_utilities.overrides import overrides
from spinn_utilities.log import FormatAdapter
from pacman.exceptions import PacmanConfigurationException
from pacman.model.graphs.common import Slice
from pacman.model.partitioner_splitters.abstract_splitters import (
    AbstractSplitterCommon)
from pacman.model.partitioner_interfaces import LegacyPartitionerAPI

logger = FormatAdapter(logging.getLogger(__name__))


class SplitterOneToOneLegacy(AbstractSplitterCommon):

    __slots__ = [
        "_machine_vertex",
        "_vertex_slice",
        "_sdram"]

    def __init__(self):
        super().__init__()
        self._machine_vertex = None
        self._vertex_slice = None
        self._sdram = None

    @overrides(AbstractSplitterCommon.set_governed_app_vertex)
    def set_governed_app_vertex(self, app_vertex):
        if not isinstance(app_vertex, LegacyPartitionerAPI):
            raise PacmanConfigurationException(
                f"{self} is not a LegacyPartitionerAPI")
        super().set_governed_app_vertex(app_vertex)
        self._vertex_slice = Slice(0, self._governed_app_vertex.n_atoms - 1)
        self._sdram = (
            self._governed_app_vertex.get_sdram_used_by_atoms(
                self._vertex_slice))
        self._machine_vertex = (
            self._governed_app_vertex.create_machine_vertex(
                vertex_slice=self._vertex_slice,
                sdram=self._sdram, label=None))
        self._governed_app_vertex.remember_machine_vertex(self._machine_vertex)

    @overrides(AbstractSplitterCommon.create_machine_vertices)
    def create_machine_vertices(self, chip_counter):
        chip_counter.add_core(self._sdram)

    @overrides(AbstractSplitterCommon.get_out_going_slices)
    def get_out_going_slices(self):
        return [self._vertex_slice]

    @overrides(AbstractSplitterCommon.get_in_coming_slices)
    def get_in_coming_slices(self):
        return [self._vertex_slice]

    @overrides(AbstractSplitterCommon.get_out_going_vertices)
    def get_out_going_vertices(self, partition_id):
        return [self._machine_vertex]

    @overrides(AbstractSplitterCommon.get_in_coming_vertices)
    def get_in_coming_vertices(self, partition_id):
        return [self._machine_vertex]

    @overrides(AbstractSplitterCommon.machine_vertices_for_recording)
    def machine_vertices_for_recording(self, variable_to_record):
        return [self._machine_vertex]

    @overrides(AbstractSplitterCommon.reset_called)
    def reset_called(self):
        pass