scripts : verify py deps at the start of compare (ggerganov#9520)

scripts/compare-commits.sh

@@ -8,6 +8,9 @@ fi
 set -e
 set -x
 
+# verify at the start that the compare script has all the necessary dependencies installed
+./scripts/compare-llama-bench.py --check
+
 bench_args="${@:3}"
 
 rm -f llama-bench.sqlite > /dev/null

scripts/compare-llama-bench.py

@@ -92,13 +92,18 @@
     "If the columns are manually specified, then the results for each unique combination of the "
     "specified values are averaged WITHOUT weighing by the --repetitions parameter of llama-bench."
 )
+parser.add_argument("--check", action="store_true", help="check if all required Python libraries are installed")
 parser.add_argument("-s", "--show", help=help_s)
 parser.add_argument("--verbose", action="store_true", help="increase output verbosity")
 
 known_args, unknown_args = parser.parse_known_args()
 
 logging.basicConfig(level=logging.DEBUG if known_args.verbose else logging.INFO)
 
+if known_args.check:
+    # Check if all required Python libraries are installed. Would have failed earlier if not.
+    sys.exit(0)
+
 if unknown_args:
     logger.error(f"Received unknown args: {unknown_args}.\n")
     parser.print_help()