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authorRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
committerRomain Forlot <romain.forlot@iot.bzh>2017-06-20 10:24:05 +0000
commit32e25cbca210a359b09768537b6f443fe90a3070 (patch)
tree3309794c15d8a8f8e9c1c08cad072ee1378813ba /CAN-binder/libs/openxc-message-format/benchmark/proto
parent76c43dec62b2e21cd6446360c00d4fe6b437533f (diff)
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'CAN-binder/libs/openxc-message-format/benchmark/proto')
-rw-r--r--CAN-binder/libs/openxc-message-format/benchmark/proto/.gitignore1
-rwxr-xr-xCAN-binder/libs/openxc-message-format/benchmark/proto/compare_sizes.py96
2 files changed, 0 insertions, 97 deletions
diff --git a/CAN-binder/libs/openxc-message-format/benchmark/proto/.gitignore b/CAN-binder/libs/openxc-message-format/benchmark/proto/.gitignore
deleted file mode 100644
index 0520d7d..0000000
--- a/CAN-binder/libs/openxc-message-format/benchmark/proto/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*_pb2.py
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)))