They are different. Even between different OCaml versions the bytecode
format is not guaranteed to remain fully compatible.

On 08/12/2016 11:07 PM, Bergman Andrey wrote:
> Bonjour!
>
> Are formats of camllight and ocaml bytecodes different?
> Have you added some new instructions? Or you have preserved compatibility?
>
> Thank you,
>     Andrey.
>


-- 
#!/usr/bin/env perl
@a=split(//, "daniil @ baturin  .  org" );# Daniil Baturin
@b=split(//,q/Px%!+o0Q6lh*7dp$.@8#%|y{/);while($i<24){$_.=
chr((ord(@b[$i])-ord(@a[$i])+62)%94+32);$i++};print"$_\n"#