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sat solving database: add timer, skip 2-player seeds (too costly atm)

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Maximilian Keßler 2023-03-14 09:14:14 +01:00
parent abdbc02c6b
commit bdbcc28edd
Signed by: max
GPG Key ID: BCC5A619923C0BA5
1 changed files with 12 additions and 9 deletions
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21
instance_finder.py
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@ -9,10 +9,10 @@ from alive_progress import alive_bar
from compress import decompress_deck
import concurrent.futures
from threading import Lock
from time import sleep
from time import sleep, perf_counter
MAX_PROCESSES=6
MAX_PROCESSES=4
def update_seeds_db():
cur2 = conn.cursor()
@ -71,7 +71,7 @@ def update_trivially_feasible_games():
valid = not any([a,b,c,d])
print(' Game {} already in database, valid: {}'.format(game_id, valid))
if valid:
print('Seed {:9} (variant {} / {}) found to be feasible via game {:6}'.format(seed, var['id'], var['name'], game_id))
print('Seed {:10} (variant {} / {}) found to be feasible via game {:6}'.format(seed, var['id'], var['name'], game_id))
cur.execute("UPDATE seeds SET feasible = (%s) WHERE seed = (%s)", (True, seed))
conn.commit()
break
@ -104,9 +104,12 @@ def get_decks_for_all_seeds():
mutex = Lock()
def solve_seed(seed, num_players, deck_compressed):
def solve_seed(seed, num_players, deck_compressed, var_id):
deck = decompress_deck(deck_compressed)
t0 = perf_counter()
solvable, solution = solve(deck, num_players)
t1 = perf_counter()
print("Solved instance {} in {} seconds".format(seed, round(t1-t0, 2)))
mutex.acquire()
lcur = conn.cursor()
@ -114,8 +117,8 @@ def solve_seed(seed, num_players, deck_compressed):
conn.commit()
if not solvable:
with open('unsolvable_seeds', 'a') as f:
f.write('{}-player, seed {}\n'.format(num_players, seed))
with open('infeasible_instances.txt', 'a') as f:
f.write('{}-player, seed {:10}, {}\n'.format(num_players, seed, variant_name(var_id)))
# print('Seed {} ({} players) not solvable: {}'.format(seed, num_players, deck))
mutex.release()
@ -124,11 +127,11 @@ def solve_seed(seed, num_players, deck_compressed):
def solve_unknown_seeds():
cur = conn.cursor()
for var in VARIANTS:
cur.execute("SELECT seed, num_players, deck FROM seeds WHERE variant_id = (%s) AND feasible IS NULL AND deck IS NOT NULL ORDER BY num_players DESC", (var['id'],))
cur.execute("SELECT seed, num_players, deck FROM seeds WHERE variant_id = (%s) AND feasible IS NULL AND deck IS NOT NULL AND num_players != 2 ORDER BY num_players DESC", (var['id'],))
res = cur.fetchall()
with concurrent.futures.ProcessPoolExecutor(max_workers=MAX_PROCESSES) as executor:
fs = [executor.submit(solve_seed, *r) for r in res]
with concurrent.futures.ProcessPoolExecutor(max_workers=1) as executor:
fs = [executor.submit(solve_seed, r[0], r[1], r[2], var['id']) for r in res]
with alive_bar(len(res), title='Seed solving on {}'.format(var['name'])) as bar:
for f in concurrent.futures.as_completed(fs):
bar()