Add Results.nb_rows property

CHANGELOG.md

@@ -11,8 +11,9 @@ All notable changes to this project will be documented in this file.
 - Add `ProblemList` class that can be saved to Parquet files
 - Allow strings or paths as arguments to the main function
 - CLI: Add `list_problems` command
-- Optionally add a GPU summary line to reports
 - New dependency: tqdm
+- Optionally add a GPU summary line to reports
+- Results property to get the number of result rows
 - Very-verbose mode for extra debug messages
 
 ### Changed

qpbenchmark/results.py

@@ -89,6 +89,11 @@ def __init__(self, csv_path: Optional[str], test_set: TestSet):
         self.df = test_set_df
         self.test_set = test_set
 
+    @property
+    def nb_rows(self) -> int:
+        """Number of rows in the dataframe."""
+        return self.df.shape[0]
+
     def write(self, path: Optional[str] = None) -> None:
         """Write results to their CSV file for persistence.