brozek/vspursuer
1
0
Fork 0
mirror of https://github.com/Brandon-Rozek/matmod.git synced 2025-07-29 20:52:01 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix Multiprocessing on Windows (#27)

Browse source
This commit is contained in:
Brandon Rozek 2024-12-10 18:39:03 -05:00 • committed by GitHub
commit 9f80fb8bba
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 17 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
vsp.py
View file

@ -98,14 +98,11 @@ Subalgebra 1: {set_to_str(self.subalgebra1)}
Subalgebra 2: {set_to_str(self.subalgebra2)} Subalgebra 2: {set_to_str(self.subalgebra2)}
""" """
def has_vsp(model: Model, interpretation: Dict[Operation, ModelFunction]) -> VSP_Result: def has_vsp(model: Model, impfunction: ModelFunction, mconjunction: Optional[ModelFunction] = None, mdisjunction: Optional[ModelFunction] = None) -> VSP_Result:
""" """
Checks whether a model has the variable Checks whether a model has the variable
sharing property. sharing property.
""" """
impfunction = interpretation[Implication]
mconjunction = interpretation.get(Conjunction)
mdisjunction = interpretation.get(Disjunction)
top = find_top(model.carrier_set, mconjunction, mdisjunction) top = find_top(model.carrier_set, mconjunction, mdisjunction)
bottom = find_bottom(model.carrier_set, mconjunction, mdisjunction) bottom = find_bottom(model.carrier_set, mconjunction, mdisjunction)

24
vspursuer.py
View file

@ -1,12 +1,10 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
from os import cpu_count from os import cpu_count
import argparse import argparse
import multiprocessing import multiprocessing as mp
from parse_magic import ( from logic import Conjunction, Disjunction, Implication
SourceFile, from parse_magic import SourceFile, parse_matrices
parse_matrices
)
from vsp import has_vsp, VSP_Result from vsp import has_vsp, VSP_Result
if __name__ == "__main__": if __name__ == "__main__":
@ -24,11 +22,21 @@ if __name__ == "__main__":
solutions = parse_matrices(SourceFile(data_file)) solutions = parse_matrices(SourceFile(data_file))
print(f"Parsed {len(solutions)} matrices") print(f"Parsed {len(solutions)} matrices")
# NOTE: When subprocess gets spawned, the logical operations will
# have a different memory address than what's expected in interpretation.
# This will make it so that we can pass the model functions directly instead.
solutions_expanded = []
for model, interpretation in solutions:
impfunction = interpretation[Implication]
mconjunction = interpretation.get(Conjunction)
mdisjunction = interpretation.get(Disjunction)
solutions_expanded.append((model, impfunction, mconjunction, mdisjunction))
num_has_vsp = 0 num_has_vsp = 0
with multiprocessing.Pool(processes=max(cpu_count() - 2, 1)) as pool: with mp.Pool(processes=max(cpu_count() - 2, 1)) as pool:
results = [ results = [
pool.apply_async(has_vsp, (model, interpretation,)) pool.apply_async(has_vsp, (model, impfunction, mconjunction, mdisjunction,))
for model, interpretation in solutions for model, impfunction, mconjunction, mdisjunction in solutions_expanded
] ]
for i, result in enumerate(results): for i, result in enumerate(results):