fix docs and cli entrypoint

Signed-off-by: Jack Luar <[email protected]>

Author: luarss

docs/user/CLIGuideAutotuner.md

@@ -22,7 +22,7 @@ openroad_autotuner --design gcd --platform sky130hd --experiment abcdef \
                    --resources_per_trial 1.0 --seed 42
 ```
 
-With our new approach all you have to do is specify a YAML document `test.yaml`
+With our new approach all you have to do is specify a YAML document `cli.yaml`
 
 ```yaml
 ---
@@ -52,7 +52,8 @@ tune:
 and run:
 
 ```bash
-openroad_autotuner --yaml test.yaml tune
+# Make sure you run this in `./tools/AutoTuner` directory.
+openroad_autotuner --yaml cli.yaml tune
 ```
 
 ## How to generate new config files

tools/AutoTuner/src/autotuner/cli.py

@@ -1,3 +1,4 @@
+from typing import Union
 from jsonargparse.typing import (
     PositiveInt,
     NonNegativeInt,
@@ -37,9 +38,14 @@ def _process_common_args(args: Namespace) -> None:
         else:
             args.experiment += f"-{args.mode}"
 
+        # If timeout is set, convert it to seconds.
         if args.timeout is not None:
             args.timeout = round(args.timeout * 3600)
 
+        # Temp: Ray ConcurrencyLimiter expects `int` type for args.jobs
+        if args.jobs is not None:
+            args.jobs = int(args.jobs)
+
     def _validate_tune_args(args: Namespace) -> None:
         """Validate and process arguments specific to tuning."""
         if args.tune.eval == "ppa-improv" and args.tune.reference is None:
@@ -73,7 +79,7 @@ def _validate_sweep_args(args: Namespace) -> None:
     return args
 
 
-def main():
+def parse_arguments():
     parser = ArgumentParser()
     tune_parser = ArgumentParser()
     sweep_parser = ArgumentParser()
@@ -245,4 +251,4 @@ def main():
 
 
 if __name__ == "__main__":
-    print(main())
+    print(parse_arguments())