在Ubuntu 14.04上,32位:
➥ cat test.ml
let () = print_endline "hello";
➥ opam switch list | grep " C "
4.01.0 C 4.01.0 Official 4.01.0 release
➥ ocamlopt test.ml
➥ ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 13:29 a.out
➥ opam switch 4.02.0
➥ eval `opam config env`
➥ ocamlopt test.ml
➥ ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 171122 Oct. 30 13:30 a.out
➥ opam switch 4.02.1
➥ eval `opam config env`
➥ ocamlopt test.ml
➥ ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 171196 Oct. 30 14:08 a.out
可执行规模变得越来越大:158569→171122→171196。
在更复杂的应用程序中,我的文件大小会有更大的增加。
任何想法如何解决?
更新#1 :
尝试strip
:
➥ strip -V | head -n 1
GNU strip (GNU Binutils for Ubuntu) 2.24
➥ ls -l
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 15:22 a.4.01.0.out
-rwxrwxr-x 1 shorrty shorrty 117368 Oct. 30 15:26 a.4.01.0.out.stripped
-rwxrwxr-x 1 shorrty shorrty 171122 Oct. 30 15:03 a.4.02.0.out
-rwxrwxr-x 1 shorrty shorrty 127580 Oct. 30 15:26 a.4.02.0.out.stripped
-rwxrwxr-x 1 shorrty shorrty 171196 Oct. 30 15:21 a.4.02.1.out
-rwxrwxr-x 1 shorrty shorrty 127612 Oct. 30 15:26 a.4.02.1.out.stripped
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 15:21 a.out
继续增长:117368→127580→127612
更新#2 :
尝试选项-compact
,没有效果:
➥ opam switch 4.01.0 && eval `opam config env`
➥ ocamlopt test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 22:02 a.out
➥ ocamlopt -compact test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 22:03 a.out
➥ opam switch 4.02.1 && eval `opam config env`
➥ ocamlopt test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 171196 Oct. 30 22:05 a.out
➥ ocamlopt -compact test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 171196 Oct. 30 22:05 a.out
尝试选项-inline
,也没有效果:
➥ opam switch 4.01.0 && eval `opam config env`
➥ ocamlopt -inline 0 test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 22:07 a.out
➥ ocamlopt -inline 1 test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 158569 Oct. 30 22:07 a.out
➥ opam switch 4.02.1 && eval `opam config env`
➥ ocamlopt -inline 0 test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 171196 Oct. 30 22:08 a.out
➥ ocamlopt -inline 1 test.ml && ls -l a.out
-rwxrwxr-x 1 shorrty shorrty 171196 Oct. 30 22:09 a.out
答案 0 :(得分:3)
您的代码没有更改,但它调用了在4.01和4.02之间更改的pervasives模块。
值得注意的是,有关格式的部分已更改为使用基于GADT的格式而不是字符串。 这显然使得to_string,of_string和concatenation(相当)更重。
有关详细信息,请参阅this discussion。