diff options
Diffstat (limited to 'CAN-binder/libs/openxc-message-format/benchmark/proto/compare_sizes.py')
| -rwxr-xr-x | CAN-binder/libs/openxc-message-format/benchmark/proto/compare_sizes.py | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/CAN-binder/libs/openxc-message-format/benchmark/proto/compare_sizes.py b/CAN-binder/libs/openxc-message-format/benchmark/proto/compare_sizes.py deleted file mode 100755 index 0ed445f..0000000 --- a/CAN-binder/libs/openxc-message-format/benchmark/proto/compare_sizes.py +++ /dev/null @@ -1,96 +0,0 @@ -#!/usr/bin/env python - -from __future__ import division -import sys -import numbers - -import openxc_pb2 -import json - -def sizeof_fmt(num): - for unit in ['bytes', 'KB', 'MB', 'GB', 'TB']: - if num < 1024.0: - return "%3.1f%s" % (num, unit) - num /= 1024.0 - -total_raw_can_size = 0 -total_raw_json_size = 0 -total_raw_binary_size = 0 -total_translated_json_size = 0 -total_translated_binary_size = 0 - -for trace_file in sys.argv[1:]: - for line in open(trace_file): - try: - json_message = json.loads(line) - except ValueError: - continue - - del json_message['timestamp'] - - message = openxc_pb2.VehicleMessage() - - if 'id' and 'data' in json_message: - # rough approx. that CAN messages are 10 bytes - they could be less - # but most of ours are full 64+11 bits - total_raw_can_size += 10 - total_raw_json_size += len(json.dumps(json_message)) - message.type = openxc_pb2.VehicleMessage.RAW - message.raw_message.message_id = json_message['id'] - message.raw_message.data = int(json_message['data'], 0) - total_raw_binary_size += len(message.SerializeToString()) - else: - message.type = openxc_pb2.VehicleMessage.TRANSLATED - message.translated_message.name = json_message['name'] - if 'event' in json_message: - message.translated_message.string_value = json_message['value'] - if isinstance(json_message['event'], bool): - message.translated_message.type = openxc_pb2.TranslatedMessage.EVENTED_BOOL - message.translated_message.boolean_event = json_message['event'] - elif isinstance(json_message['event'], numbers.Number): - message.translated_message.type = openxc_pb2.TranslatedMessage.EVENTED_NUM - message.translated_message.numeric_value = json_message['event'] - else: - message.translated_message.type = openxc_pb2.TranslatedMessage.EVENTED_STRING - message.translated_message.string_value = json_message['event'] - else: - if isinstance(json_message['value'], bool): - message.translated_message.type = openxc_pb2.TranslatedMessage.BOOL - message.translated_message.boolean_value = json_message['value'] - elif isinstance(json_message['value'], numbers.Number): - message.translated_message.type = openxc_pb2.TranslatedMessage.NUM - message.translated_message.numeric_value = json_message['value'] - else: - message.translated_message.type = openxc_pb2.TranslatedMessage.STRING - message.translated_message.string_value = json_message['value'] - total_translated_json_size += len(json.dumps(json_message)) - total_translated_binary_size += len(message.SerializeToString()) - - -print("For the %d trace files given..." % len(sys.argv[1:])) -print("Total transferred raw CAN size is %s" % sizeof_fmt(total_raw_can_size)) -print("Total transferred raw JSON size is %s" % sizeof_fmt(total_raw_json_size)) -print("Total transferred raw binary size is %s" % sizeof_fmt(total_raw_binary_size)) -print("Total transferred translated JSON size is %s" % - sizeof_fmt(total_translated_json_size)) -print("Total transferred translated binary size is %s" % - sizeof_fmt(total_translated_binary_size)) - -total_json_size = total_raw_json_size + total_translated_json_size -print("Total transferred JSON size is %s" % sizeof_fmt(total_json_size)) -total_binary_size = total_raw_binary_size + total_translated_binary_size -print("Total transferred binary size is %s" % sizeof_fmt(total_binary_size)) - -if total_raw_can_size > 0: - print("Binary encoding adds %f%% overhead to raw CAN messages" % ( - total_raw_binary_size / total_raw_can_size * 100 - 100)) - print("JSON encoding adds %f%% overhead to raw CAN messages" % ( - total_raw_json_size / total_raw_can_size * 100 - 100)) -if total_raw_json_size > 0: - print("Binary encoding is %f%% smaller than JSON for raw messages" % ( - 100 - (total_raw_binary_size / total_raw_json_size * 100))) -if total_translated_json_size > 0: - print("Binary encoding is %f%% smaller than JSON for translated messages" % ( - 100 - (total_translated_binary_size / total_translated_json_size * 100))) -print("Binary encoding is %f%% smaller than JSON overall" % ( - 100 - (total_binary_size / total_json_size * 100))) |