Add batch approach for matrix multiplication

ci/summarize-results.py

@@ -21,8 +21,15 @@ def read_and_combine_json(files, filter):
         with open(f_name, 'r') as f_stream:
             result_obj = json.load(f_stream)
             results_normalized = result_obj["benchmarks"]
+
+            test_name_parts = results_normalized["name"].split("/")
+            results_normalized["initializer"] = test_name_parts[0]
+            results_normalized["method"] = test_name_parts[1]
+            if len(test_name_parts) > 2:
+                results_normalized["parameters"] = test_name_parts[2:]
+
             for result_normalized in results_normalized:
-                if filter  and not result_normalized["name"].split['/'][1].startswith(filter):
+                if filter  and not result_normalized["method"].startswith(filter):
                     continue
                 result_normalized["context"] = result_obj["context"]
                 result_normalized["compiler_version"], result_normalized["architecture"] = basename.replace("results-", "").replace(".json", "").split("-")