masters-pmf/java_speed_test/bench/bench.py

   1 import os
   2 import stat
   3 import time
   4
   5 runs=10
   6
   7 class Task:
   8         name = "unnamed"
   9         pre_cmd = ""
  10         cmd = ""
  11         post_cmd = ""
  12         results = 0
  13         remain = 3
  14
  15         def __init__(self):
  16                 self.results = []
  17
  18         def print_extra_details(self):
  19                 pass
  20
  21
  22 class JavaTestTask(Task):
  23         tracefile = ""
  24
  25         def print_extra_details(self):
  26                 size = os.stat(self.tracefile)[stat.ST_SIZE]
  27                 tot_events = size / 22
  28                 print "Tracefile: %s (%d bytes)" % (self.tracefile,size)
  29                 print "Events in tracefile: %d" % tot_events
  30                 print "Rate: " + str(round(float(tot_events) / self.average_run_time, 3)) + " events/s"
  31
  32
  33 tasks = []
  34
  35 t1 = JavaTestTask()
  36 t1.name = "C version (without print)"
  37 t1.tracefile = "../trace_long.dat"
  38 t1.pre_cmd = ""
  39 t1.cmd = "pushd ../c >/dev/null; ./main %s; popd >/dev/null;" % t1.tracefile
  40 t1.post_cmd = ""
  41 tasks.append(t1)
  42
  43 t3 = JavaTestTask()
  44 t3.name = "C version (with print)"
  45 t3.tracefile = "../trace_med.dat"
  46 t3.pre_cmd = ""
  47 t3.cmd = "pushd ../c >/dev/null; ./main -p %s; popd >/dev/null;" % t3.tracefile
  48 t3.post_cmd = ""
  49 tasks.append(t3)
  50
  51 t5 = JavaTestTask()
  52 t5.name = "C version (with print, but sent to /dev/null)"
  53 t5.tracefile = "../trace_long.dat"
  54 t5.pre_cmd = ""
  55 t5.cmd = "pushd ../c >/dev/null; ./main -p %s >/dev/null; popd >/dev/null;" % t5.tracefile
  56 t5.post_cmd = ""
  57 tasks.append(t5)
  58
  59 t2 = JavaTestTask()
  60 t2.name = "Java version (without print)"
  61 t2.tracefile = "../trace_long.dat"
  62 t2.pre_cmd = ""
  63 t2.cmd = "pushd ../java >/dev/null; java read_trace %s; popd >/dev/null;" % t2.tracefile
  64 t2.post_cmd = ""
  65 tasks.append(t2)
  66
  67 t4 = JavaTestTask()
  68 t4.name = "Java version (with print)"
  69 t4.tracefile = "../trace_short.dat"
  70 t4.pre_cmd = ""
  71 t4.cmd = "pushd ../java >/dev/null; java read_trace -p %s; popd >/dev/null;" % t4.tracefile
  72 t4.post_cmd = ""
  73 tasks.append(t4)
  74
  75 t6 = JavaTestTask()
  76 t6.name = "Java version (with print, but sent to /dev/null)"
  77 t6.tracefile = "../trace_med.dat"
  78 t6.pre_cmd = ""
  79 t6.cmd = "pushd ../java >/dev/null; java read_trace -p %s >/dev/null; popd >/dev/null;" % t6.tracefile
  80 t6.post_cmd = ""
  81 tasks.append(t6)
  82
  83 def average(lst):
  84         sum = 0
  85         count = 0
  86
  87         for i in lst:
  88                 sum += i
  89                 count += 1
  90
  91         if count == 0:
  92                 return 0
  93         else:
  94                 return sum/count
  95
  96 def min(lst):
  97         if len(lst) == 0:
  98                 return 0
  99
 100         found = lst[0]
 101
 102         for i in lst:
 103                 if i < found:
 104                         found = i
 105
 106         return found
 107
 108 def max(lst):
 109         if len(lst) == 0:
 110                 return 0
 111
 112         found = lst[0]
 113
 114         for i in lst:
 115                 if i > found:
 116                         found = i
 117
 118         return found
 119
 120 def main():
 121         for task in tasks:
 122                 while task.remain > 0:
 123                         os.system(task.pre_cmd)
 124                         t_start = time.time()
 125                         os.system(task.cmd)
 126                         t_end = time.time()
 127                         os.system(task.post_cmd)
 128                         task.remain-=1
 129                         task.results.append(t_end-t_start)
 130                 print(task.results)
 131
 132         print "------------------------------------"
 133         for task in tasks:
 134                 print "RESULTS for " + task.name
 135                 print "Runs: " + str(len(task.results))
 136                 task.average_run_time = average(task.results)
 137                 print "Average run time: " + str(round(task.average_run_time, 3)) + " s"
 138                 task.print_extra_details()
 139                 #print "Min: " + str(round(min(task.results), 3))
 140                 #print "Max: " + str(round(max(task.results), 3))
 141                 print ""
 142
 143 main()