add max steps

makemore.py

@@ -337,7 +337,8 @@ def create_datasets(input_file):
     parser.add_argument('--work-dir', '-o', type=str, default='out', help="output working directory")
     parser.add_argument('--resume', action='store_true', help="when this flag is used, we will resume optimization from existing model in the workdir")
     parser.add_argument('--sample-only', action='store_true', help="just sample from the model and quit, don't train")
-    parser.add_argument('--num-workers', '-n', type=int, default=0, help="number of data workers for both train/test")
+    parser.add_argument('--num-workers', '-n', type=int, default=4, help="number of data workers for both train/test")
+    parser.add_argument('--max-steps', type=int, default=-1, help="max number of optimization steps to run for, or -1 for infinite.")
     parser.add_argument('--device', type=str, default='cpu', help="device to use for compute, examples: cpu|cuda|cuda:2|mps")
     parser.add_argument('--seed', type=int, default=3407, help="seed")
     # sampling
@@ -439,3 +440,7 @@ def create_datasets(input_file):
             print_samples(num=10)
 
         step += 1
+        # termination conditions
+        if args.max_steps >= 0 and step >= args.max_steps:
+            break
+