trunk/masters-pmf/java_speed_test/bench/bench.py

   1 runs=10
   2
   3 class Task:
   4         name = "unnamed"
   5         pre_cmd = ""
   6         cmd = ""
   7         post_cmd = ""
   8         results = 0
   9         remain = 1
  10
  11         def __init__(self):
  12                 self.results = []
  13
  14 tasks = []
  15
  16 t1 = Task()
  17 t1.name = "C version (without print)"
  18 t1.pre_cmd = ""
  19 t1.cmd = "pushd ../c >/dev/null; ./main; popd >/dev/null;"
  20 t1.post_cmd = ""
  21 tasks.append(t1)
  22
  23 t3 = Task()
  24 t3.name = "C version (with print)"
  25 t3.pre_cmd = ""
  26 t3.cmd = "pushd ../c >/dev/null; ./main -p; popd >/dev/null;"
  27 t3.post_cmd = ""
  28 #tasks.append(t3)
  29
  30 t5 = Task()
  31 t5.name = "C version (with print, but sent to /dev/null)"
  32 t5.pre_cmd = ""
  33 t5.cmd = "pushd ../c >/dev/null; ./main -p >/dev/null; popd >/dev/null;"
  34 t5.post_cmd = ""
  35 #tasks.append(t5)
  36
  37 t2 = Task()
  38 t2.name = "Java version (without print)"
  39 t2.pre_cmd = ""
  40 t2.cmd = "pushd ../java >/dev/null; java read_trace; popd >/dev/null;"
  41 t2.post_cmd = ""
  42 tasks.append(t2)
  43
  44 t4 = Task()
  45 t4.name = "Java version (with print)"
  46 t4.pre_cmd = ""
  47 t4.cmd = "pushd ../java >/dev/null; java read_trace -p; popd >/dev/null;"
  48 t4.post_cmd = ""
  49 #tasks.append(t4)
  50
  51 t6 = Task()
  52 t6.name = "Java version (with print, but sent to /dev/null)"
  53 t6.pre_cmd = ""
  54 t6.cmd = "pushd ../java >/dev/null; java read_trace -p >/dev/null; popd >/dev/null;"
  55 t6.post_cmd = ""
  56 #tasks.append(t6)
  57
  58 import os
  59 import time
  60
  61 def average(lst):
  62         sum = 0
  63         count = 0
  64
  65         for i in lst:
  66                 sum += i
  67                 count += 1
  68
  69         if count == 0:
  70                 return 0
  71         else:
  72                 return sum/count
  73
  74 def min(lst):
  75         if len(lst) == 0:
  76                 return 0
  77
  78         found = lst[0]
  79
  80         for i in lst:
  81                 if i < found:
  82                         found = i
  83
  84         return found
  85
  86 def max(lst):
  87         if len(lst) == 0:
  88                 return 0
  89
  90         found = lst[0]
  91
  92         for i in lst:
  93                 if i > found:
  94                         found = i
  95
  96         return found
  97
  98 def main():
  99         for task in tasks:
 100                 while task.remain > 0:
 101                         os.system(task.pre_cmd)
 102                         t_start = time.time()
 103                         os.system(task.cmd)
 104                         t_end = time.time()
 105                         os.system(task.post_cmd)
 106                         task.remain-=1
 107                         task.results.append(t_end-t_start)
 108                 print(task.results)
 109
 110         print "------------------------------------"
 111         for task in tasks:
 112                 print "RESULTS for " + task.name
 113                 print "Runs: " + str(len(task.results))
 114                 av = average(task.results)
 115                 print "Average run time: " + str(round(av, 3)) + " s"
 116                 print "Rate: " + str(round(1000000.0 / av, 3)) + " events/s"
 117                 #print "Min: " + str(round(min(task.results), 3))
 118                 #print "Max: " + str(round(max(task.results), 3))
 119                 print ""
 120
 121 main()