Source code for hysop.tools.hash
# Copyright (c) HySoP 2011-2024
#
# This file is part of HySoP software.
# See "https://particle_methods.gricad-pages.univ-grenoble-alpes.fr/hysop-doc/"
# for further info.
#
# 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
#
# http://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 hashlib
import numpy as np
[docs]
def hash_communicator(comm, h=None):
from hysop.core.mpi import processor_hash
phashes = comm.allgather(processor_hash)
s = "{}[{}]".format(comm.Get_size(), ",".join(str(phash) for phash in phashes))
if h is not None:
h.update(s)
else:
return s
[docs]
def hash_nd_array(array, h=None):
if h is None:
h = hashlib.sha1()
h.update(array.view(np.uint8))
return h.hexdigest()
[docs]
def hash_id(obj, length=4):
return hashlib.sha1(str(id(obj))).hexdigest()[:length]