python比c,有多慢,小測試
阿新 • • 發佈:2019-01-03
gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
Python 2.7.3
#include <stdlib.h> #include <time.h> int main () { int st = time(NULL); long a = 100.33; long b = 23.33; long c; int ct = 1000000000; for (; ct > 0; ct --) c = a/++b; printf("\n total time: %d\n", time(NULL)-st); }
total time: 5s
import time
st = time.time()
a = 100.33
b = 23.33
ct = 100000
dt = 10000
for v in range(ct) :
for j in range(dt) :
c = a/++b
print "total time:", time.time()-st
total time: 242 s