update GDAS

exps/algos/RANDOM.py

@@ -19,7 +19,7 @@ from aa_nas_api   import AANASBenchAPI
 from R_EA         import train_and_eval, random_architecture_func
 
 
-def main(xargs):
+def main(xargs, nas_bench):
   assert torch.cuda.is_available(), 'CUDA is not available.'
   torch.backends.cudnn.enabled   = True
   torch.backends.cudnn.benchmark = False
@@ -51,12 +51,6 @@ def main(xargs):
   search_space = get_search_spaces('cell', xargs.search_space_name)
   random_arch = random_architecture_func(xargs.max_nodes, search_space)
   #x =random_arch() ; y = mutate_arch(x)
-  if xargs.arch_nas_dataset is None or not os.path.isfile(xargs.arch_nas_dataset):
-    logger.log('Can not find the architecture dataset : {:}.'.format(xargs.arch_nas_dataset))
-    nas_bench = None
-  else:
-    logger.log('{:} build NAS-Benchmark-API from {:}'.format(time_string(), xargs.arch_nas_dataset))
-    nas_bench = AANASBenchAPI(xargs.arch_nas_dataset)
   logger.log('{:} use nas_bench : {:}'.format(time_string(), nas_bench))
   best_arch, best_acc = None, -1
   for idx in range(xargs.random_num):
@@ -67,13 +61,12 @@ def main(xargs):
     logger.log('[{:03d}/{:03d}] : {:} : accuracy = {:.2f}%'.format(idx, xargs.random_num, arch, accuracy))
   logger.log('{:} best arch is {:}, accuracy = {:.2f}%'.format(time_string(), best_arch, best_acc))
   
-  if nas_bench is not None:
-    info = nas_bench.query_by_arch( best_arch )
-    if info is None: logger.log('Did not find this architecture : {:}.'.format(best_arch))
-    else           : logger.log('{:}'.format(info))
+  info = nas_bench.query_by_arch( best_arch )
+  if info is None: logger.log('Did not find this architecture : {:}.'.format(best_arch))
+  else           : logger.log('{:}'.format(info))
   logger.log('-'*100)
-
   logger.close()
+  return logger.log_dir, nas_bench.query_index_by_arch( best_arch )
   
 
 
@@ -94,5 +87,19 @@ if __name__ == '__main__':
   parser.add_argument('--print_freq',         type=int,   help='print frequency (default: 200)')
   parser.add_argument('--rand_seed',          type=int,   help='manual seed')
   args = parser.parse_args()
-  if args.rand_seed is None or args.rand_seed < 0: args.rand_seed = random.randint(1, 100000)
-  main(args)
+  #if args.rand_seed is None or args.rand_seed < 0: args.rand_seed = random.randint(1, 100000)
+  if args.arch_nas_dataset is None or not os.path.isfile(args.arch_nas_dataset):
+    nas_bench = None
+  else:
+    print ('{:} build NAS-Benchmark-API from {:}'.format(time_string(), args.arch_nas_dataset))
+    nas_bench = AANASBenchAPI(args.arch_nas_dataset)
+  if args.rand_seed < 0:
+    save_dir, all_indexes, num = None, [], 500
+    for i in range(num):
+      print ('{:} : {:03d}/{:03d}'.format(time_string(), i, num))
+      args.rand_seed = random.randint(1, 100000)
+      save_dir, index = main(args, nas_bench)
+      all_indexes.append( index )
+    torch.save(all_indexes, save_dir / 'results.pth')
+  else:
+    main(args, nas_bench)