Add benchmark compare script

Issue:I7BDC5
Signed-off-by: Nyinchuang <yinchuang@huawei.com>
Test:Run and check the compare results

Benchmark/scripts/compare_benchmark_result.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (c) 2023 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+import argparse
+import re
+
+g_before_data = {}
+g_after_data = {}
+g_all_cases = []
+
+
+def get_format(before_data, after_data, pct, fluctuation_range):
+    deg_format = "\033[1;31m|{:60}|{:20}|{:20}|{:20}\033[0m|"
+    opt_format = "\033[1;32m|{:60}|{:20}|{:20}|{:20}\033[0m|"
+    equal_format = "\033[1;37m|{:60}|{:20}|{:20}|{:20}\033[0m|"
+    if pct <= fluctuation_range:
+        return equal_format
+    if before_data > after_data:
+        return opt_format
+    else:
+        return deg_format
+
+
+def read_file(file_path, is_before):
+    bench_pattern = re.compile(r'''
+        ^([\S]+)   # case name
+        [^0-9]+
+        ([0-9,.]+) # time
+        [^0-9]+
+        ([0-9|.]+) # cpu
+        [^0-9]+
+        ([0-9|.]+) # iters
+        .*''', re.VERBOSE)
+
+    with open(file_path, 'r') as f:
+        for line in f.readlines():
+            if line.startswith("BM_"):
+                m = bench_pattern.match(line)
+                if m:
+                    case, time, cpu, iters = m.groups()
+                    if g_all_cases.count(case) == 0:
+                        g_all_cases.append(case)
+                    result = [float(time), float(cpu), float(iters)]
+                    if is_before:
+                        g_before_data[case] = result
+                    else:
+                        g_after_data[case] = result
+                else:
+                    print("match error")
+
+
+def print_header(args):
+    header_format = "\033[1;37m|{:60}|{:20}|{:20}|{:20}|\033[0m"
+    print("\033[1;34m[Notice]:\033[0m")
+    print("file before optimization: " + args.before)
+    print("file after optimization: " + args.after)
+    print("allowed fluctuation range: " + args.range + "%")
+    print("\033[1;32mgreen is better, \033[0m" + "\033[1;31mred is worse, \033[0m" + "\033[1;37mwhite is equal.\033[0m")
+    print("\033[1;34m[Compare Result]:\033[0m")
+    print(header_format.format("case", "before(ns)", "after(ns)", "(before - after / before)"))
+    print(header_format.format("----", "----", "----", "----"))
+
+
+def out_results(args):
+    print_header(args)
+    for case in g_all_cases:
+        before_data = g_before_data[case][0] if case in g_before_data.keys() else 0
+        after_data = g_after_data[case][0] if case in g_after_data.keys() else 0
+        pct = 0 if before_data == 0 else round((abs(before_data - after_data) / before_data) * 100, 2)
+        sign = "+" if (before_data - after_data) > 0  else "-"
+        output_format = get_format(before_data, after_data, pct, float(args.range))
+        signed_pct = "{}{}{}".format(sign, str(pct), "%")
+        print(output_format.format(str(case), str(before_data), str(after_data), signed_pct))
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-b', '--before', type=str, help='file before optimization')
+    parser.add_argument('-a', '--after', type=str, help='file after optimization')
+    parser.add_argument('-r', '--range', type=str, help='allowed fluctuation range')
+
+    args = parser.parse_args()
+    read_file(args.before,  1)
+    read_file(args.after, 0)
+    out_results(args)
+
+
+if __name__ == '__main__':
+    main()
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