Add enough runs and nimcr + gcc should also win. Only the first run takes a
long time with your command, so more runs brings down the average. The other
commands aren't so favored.
Of `nim r`, consider:
$ head -1 /dev/urandom|wc -m > changing-file
$ nim r check.nim
157
$ head -1 /dev/urandom|wc -m > changing-file
$ nim r check.nim
66
Run
vs.
$ ./check.nim
66
$ head -1 /dev/urandom|wc -m > changing-file
$ ./check.nim
66
Run
`nim r` saves you from running the C compiler. `nimcr` saves you, also, from
running the Nim compiler.
