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## SPDX-License-Identifier: BSD-2-Clause
##
## Copyright 2020-2025 Inria & Université de Bordeaux
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
##
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
##
## 2. Redistributions in binary form must reproduce the above
## copyright notice, this list of conditions and the following
## disclaimer in the documentation and/or other materials provided
## with the distribution.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
## CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
## INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
## DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
## BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
## TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
## ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
## TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
## THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
##
import scotchpy as SCOTCH
import ctypes
import threading
import os
# taken from check/test_scotch_context.c
class TestThreadData:
contptr = None
thrdnum = 0
def graphTest():
return SCOTCH.build_graph(
verttab=[1, 4, 10, 13, 16, 19, 22, 25],
edgetab=[
3,
2,
6,
3,
4,
1,
7,
6,
5,
1,
2,
4,
2,
7,
3,
7,
2,
6,
2,
1,
5,
5,
2,
4,
],
)
def testMain():
for thrdnbr in {3, os.cpu_count()}:
try:
context = SCOTCH.Context()
except SCOTCH.LibraryError:
assert False, "cannot initialize context"
raise
graf0 = graphTest()
try:
graf1 = SCOTCH.Graph()
except SCOTCH.LibraryError:
assert False, "cannot initialize graph"
raise
try:
context.bind_graph(graf0, graf1)
except SCOTCH.LibraryError:
assert False, "cannot bind context(1)"
raise
graf1.exit()
context.exit()
context.init()
context.thread_spawn(thrdnbr, None)
graf1.init()
try:
context.bind_graph(graf0, graf1)
except SCOTCH.LibraryError:
assert False, "cannot bind context(2)"
raise
graf1.exit()
context.exit()
coretab = ctypes.POINTER(ctypes.c_int)()
coretab = (ctypes.c_int * thrdnbr)()
coretab[0] = 0
for thrdnum in range(1, thrdnbr):
coretab[thrdnum] = thrdnbr - thrdnum
context.init()
context.thread_spawn(thrdnbr, coretab)
try:
context.random_clone()
except SCOTCH.LibraryError:
assert False, "cannot clone random context"
raise
graf1.init()
try:
context.bind_graph(graf0, graf1)
except SCOTCH.LibraryError:
assert False, "cannot bind context(3)"
raise
graf1.exit()
context.exit()
thrdtab = [TestThreadData() for _ in range(thrdnbr)]
for thrdnum in range(thrdnbr):
thrdtab[thrdnum].thrdnum = thrdnum
thrdtab[thrdnum].contptr = context._contextptr
context.init()
context.thread_import1(thrdnbr)
for thrdnum in range(1, thrdnbr):
try:
threading.Thread(
target=context.thread_import2, args=(thrdtab[thrdnum].thrdnum,)
).start()
except SCOTCH.LibraryError:
assert False, "cannot import thread"
raise
context.thread_import2(0)
graf1.init()
try:
context.bind_graph(graf0, graf1)
except SCOTCH.LibraryError:
assert False, "cannot bind context(4)"
raise
graf1.exit()
context.exit()
graf0.exit()
|
