История изменений

$ rustc -O fibrs.rs
$ time ./fibrs
fib(45) = 1134903170

real    0m12.110s
user    0m12.117s
sys     0m0.001s
$ gcc -O3 -march=native -ofibc fibc.c
$ time ./fibc
fib(45) = 1134903170

real    0m7.229s
user    0m7.233s
sys     0m0.000s

rustc 0.13.0-nightly (adb44f53d 2014-10-12 00:07:15 +0000)
gcc version 4.7.3 (Gentoo 4.7.3-r1 p1.4, pie-0.5.5)

[code=Shell]
$ rustc -O fibrs.rs
$ time ./fibrs
fib(45) = 1134903170

real 0m12.110s
user 0m12.117s
sys 0m0.001s
$ gcc -O3 -march=native -ofibc fibc.c
$ time ./fibc
fib(45) = 1134903170

real 0m7.229s
user 0m7.233s
sys 0m0.000s

[/code]

rustc 0.13.0-nightly (adb44f53d 2014-10-12 00:07:15 +0000)
gcc version 4.7.3 (Gentoo 4.7.3-r1 p1.4, pie-0.5.5)