105 - Reduction can be Vectorized
$ cd ../105
$ gcc -O sum.c
$ a.out // 0.615 sec
$ ncc sum.c -o n.out
$ n.out // 0.07 sec = x87.9 speedup
https://gyazo.com/2c28c28e494deabbddec487ab5b6fcf6
$ cat -n sum.c
code:sum.c
04 #define N 200 * (1 << 20) /* 200 M */ 17 for(i = 0; i < N; i++) {
19 }
21 for(i = 0; i < N; i++) {
23 }