benchmark dictionary get/set for node.js, CPython2, pypy

gistfile1.txt

$ cat h.js
n = 100000000;
s = {};
key = "abc";
s[key] = 0;
for (i = 0; i < n; i++) {
  s[key] += 1;
}
console.log(s[key]);
$ time node h.js
100000000

real	0m12.261s
user	0m12.236s
sys	0m0.020s
$ cat h.py
n = 100000000;
s = {};
key = "abc";
s[key] = 0;
for _ in xrange(n):
  s[key] += 1
print s[key]
$ time python h.py
100000000

real	0m15.650s
user	0m15.627s
sys	0m0.018s
$ time pypy h.py
100000000

real	0m1.781s
user	0m1.756s
sys	0m0.021s