rosbridge_library: benchmark.py Source File

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00001 # coding=UTF-8
00002 import simplejson
00003 import ujson
00004 import sys
00005 try:
00006     import json
00007 except ImportError:
00008     json = simplejson
00009 import cjson
00010 import yajl
00011 from time import time as gettime
00012 import time
00013 import sys
00014 import random
00015 
00016 
00017 user = { "userId": 3381293, "age": 213, "username": "johndoe", "fullname": u"John Doe the Second", "isAuthorized": True, "liked": 31231.31231202, "approval": 31.1471, "jobs": [ 1, 2 ], "currJob": None }
00018 friends = [ user, user, user, user, user, user, user, user ]
00019 
00020 decodeData = ""
00021 
00022 """=========================================================================="""
00023 
00024 def ujsonEnc():
00025     x = ujson.encode(testObject, ensure_ascii=False)
00026     #print "ujsonEnc", x
00027 
00028 def simplejsonEnc():
00029     x = simplejson.dumps(testObject)
00030     #print "simplejsonEnc", x
00031 
00032 def jsonEnc():
00033     x = json.dumps(testObject)
00034     #print "jsonEnc", x
00035 
00036 def cjsonEnc():
00037     x = cjson.encode(testObject)
00038     #print "cjsonEnc", x
00039 
00040 def yajlEnc():
00041     x = yajl.dumps(testObject)
00042     #print "cjsonEnc", x
00043 
00044 """=========================================================================="""
00045 
00046 def ujsonDec():
00047     x = ujson.decode(decodeData)
00048     #print "ujsonDec: ", x
00049 
00050 def simplejsonDec():
00051     x = simplejson.loads(decodeData)
00052     #print "simplejsonDec: ", x
00053 
00054 def jsonDec():
00055     x = json.loads(decodeData)
00056     #print "jsonDec: ", x
00057 
00058 def cjsonDec():
00059     x = cjson.decode(decodeData)
00060     #print "cjsonDec: ", x
00061 
00062 def yajlDec():
00063     x = yajl.loads(decodeData)
00064     #print "cjsonDec: ", x
00065 
00066 """=========================================================================="""
00067 
00068 def timeit_compat_fix(timeit):
00069     if sys.version_info[:2] >=  (2,6):
00070         return
00071     default_number = 1000000
00072     default_repeat = 3
00073     if sys.platform == "win32":
00074         # On Windows, the best timer is time.clock()
00075         default_timer = time.clock
00076     else:
00077         # On most other platforms the best timer is time.time()
00078         default_timer = time.time
00079     def repeat(stmt="pass", setup="pass", timer=default_timer,
00080        repeat=default_repeat, number=default_number):
00081         """Convenience function to create Timer object and call repeat method."""
00082         return timeit.Timer(stmt, setup, timer).repeat(repeat, number)
00083     timeit.repeat = repeat
00084 
00085 
00086 if __name__ == "__main__":
00087     import timeit
00088     timeit_compat_fix(timeit)
00089 
00090 
00091 print "Ready? Configure affinity and priority, starting in 20..."
00092 time.sleep(20)
00093 
00094 print "Array with 256 utf-8 strings:"
00095 testObject = []
00096 
00097 for x in xrange(256):
00098     testObject.append("نظام الحكم سلطاني وراثي في الذكور من ذرية السيد تركي بن سعيد بن سلطان ويشترط فيمن يختار لولاية الحكم من بينهم ان يكون مسلما رشيدا عاقلا ًوابنا شرعيا لابوين عمانيين ")
00099 
00100 COUNT = 2000
00101 
00102 
00103 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00104 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00105 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00106 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00107 
00108 
00109 
00110 
00111 decodeData = json.dumps(testObject)
00112 
00113 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00114 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00115 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00116 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00117 
00118 print "Medium complex object:"
00119 testObject = [ [user, friends],  [user, friends],  [user, friends],  [user, friends],  [user, friends],  [user, friends]]
00120 COUNT = 5000
00121 
00122 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00123 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00124 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00125 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00126 
00127 decodeData = json.dumps(testObject)
00128 
00129 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00130 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00131 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00132 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00133 
00134 print "Array with 256 strings:"
00135 testObject = []
00136 
00137 for x in xrange(256):
00138     testObject.append("A pretty long string which is in a list")
00139 
00140 COUNT = 10000
00141 
00142 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00143 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00144 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00145 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00146 
00147 decodeData = json.dumps(testObject)
00148 
00149 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00150 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00151 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00152 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00153 
00154 print "Array with 256 doubles:"
00155 testObject = []
00156 
00157 for x in xrange(256):
00158     testObject.append(sys.maxint * random.random())
00159     
00160 COUNT = 10000
00161 
00162 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00163 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00164 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00165 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00166 
00167 decodeData = json.dumps(testObject)
00168 
00169 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00170 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00171 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00172 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00173 
00174 print "Array with 256 True values:"
00175 testObject = []
00176 
00177 for x in xrange(256):
00178     testObject.append(True)
00179 
00180 COUNT = 50000
00181 
00182 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00183 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00184 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00185 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00186 
00187 decodeData = json.dumps(testObject)
00188 
00189 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00190 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00191 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00192 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00193 
00194 
00195 print "Array with 256 dict{string, int} pairs:"
00196 testObject = []
00197 
00198 for x in xrange(256):
00199     testObject.append({str(random.random()*20): int(random.random()*1000000)})
00200 
00201 COUNT = 5000
00202 
00203 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00204 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00205 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00206 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00207 
00208 decodeData = json.dumps(testObject)
00209 
00210 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00211 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00212 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00213 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00214 
00215 print "Dict with 256 arrays with 256 dict{string, int} pairs:"
00216 testObject = {}
00217 
00218 for y in xrange(256):
00219     arrays = []
00220     for x in xrange(256):
00221         arrays.append({str(random.random()*20): int(random.random()*1000000)})
00222     testObject[str(random.random()*20)] = arrays
00223 
00224 COUNT = 50
00225 
00226 print "ujson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonEnc()", "from __main__ import ujsonEnc", gettime,10, COUNT)), )
00227 print "simplejson encode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonEnc()", "from __main__ import simplejsonEnc", gettime,10, COUNT)), )
00228 print "cjson encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonEnc()", "from __main__ import cjsonEnc", gettime, 10, COUNT)), )
00229 print "yajl  encode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlEnc()", "from __main__ import yajlEnc", gettime, 10, COUNT)), )
00230 
00231 decodeData = json.dumps(testObject)
00232 
00233 print "ujson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("ujsonDec()", "from __main__ import ujsonDec", gettime,10, COUNT)), )
00234 print "cjson decode      : %.05f calls/sec" % (COUNT / min(timeit.repeat("cjsonDec()", "from __main__ import cjsonDec", gettime,10, COUNT)), )
00235 print "simplejson decode : %.05f calls/sec" % (COUNT / min(timeit.repeat("simplejsonDec()", "from __main__ import simplejsonDec", gettime,10, COUNT)), )
00236 print "yajl decode       : %.05f calls/sec" % (COUNT / min(timeit.repeat("yajlDec()", "from __main__ import yajlDec", gettime,10, COUNT)), )
00237