sat solving database: add timer, skip 2-player seeds (too costly atm)
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1 changed files with 12 additions and 9 deletions
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@ -9,10 +9,10 @@ from alive_progress import alive_bar
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from compress import decompress_deck
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import concurrent.futures
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from threading import Lock
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from time import sleep
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from time import sleep, perf_counter
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MAX_PROCESSES=6
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MAX_PROCESSES=4
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def update_seeds_db():
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cur2 = conn.cursor()
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@ -71,7 +71,7 @@ def update_trivially_feasible_games():
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valid = not any([a,b,c,d])
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print(' Game {} already in database, valid: {}'.format(game_id, valid))
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if valid:
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print('Seed {:9} (variant {} / {}) found to be feasible via game {:6}'.format(seed, var['id'], var['name'], game_id))
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print('Seed {:10} (variant {} / {}) found to be feasible via game {:6}'.format(seed, var['id'], var['name'], game_id))
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cur.execute("UPDATE seeds SET feasible = (%s) WHERE seed = (%s)", (True, seed))
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conn.commit()
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break
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@ -104,9 +104,12 @@ def get_decks_for_all_seeds():
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mutex = Lock()
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def solve_seed(seed, num_players, deck_compressed):
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def solve_seed(seed, num_players, deck_compressed, var_id):
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deck = decompress_deck(deck_compressed)
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t0 = perf_counter()
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solvable, solution = solve(deck, num_players)
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t1 = perf_counter()
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print("Solved instance {} in {} seconds".format(seed, round(t1-t0, 2)))
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mutex.acquire()
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lcur = conn.cursor()
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@ -114,8 +117,8 @@ def solve_seed(seed, num_players, deck_compressed):
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conn.commit()
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if not solvable:
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with open('unsolvable_seeds', 'a') as f:
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f.write('{}-player, seed {}\n'.format(num_players, seed))
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with open('infeasible_instances.txt', 'a') as f:
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f.write('{}-player, seed {:10}, {}\n'.format(num_players, seed, variant_name(var_id)))
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# print('Seed {} ({} players) not solvable: {}'.format(seed, num_players, deck))
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mutex.release()
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@ -124,11 +127,11 @@ def solve_seed(seed, num_players, deck_compressed):
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def solve_unknown_seeds():
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cur = conn.cursor()
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for var in VARIANTS:
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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'],))
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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'],))
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res = cur.fetchall()
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with concurrent.futures.ProcessPoolExecutor(max_workers=MAX_PROCESSES) as executor:
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fs = [executor.submit(solve_seed, *r) for r in res]
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with concurrent.futures.ProcessPoolExecutor(max_workers=1) as executor:
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fs = [executor.submit(solve_seed, r[0], r[1], r[2], var['id']) for r in res]
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with alive_bar(len(res), title='Seed solving on {}'.format(var['name'])) as bar:
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for f in concurrent.futures.as_completed(fs):
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bar()
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