This is just an experiment on [1], the interpreter logic is identical to the
original.
From [2] I assume the code follows the Unlicense License. You can assume the
same license from me on the shell scripts and the added variants.
The results on a 100-byte randomly generated program:
+ ./main
131 131 131 131 131 131
0
+ echo
+ time -p ./main_switch
96
real 1.59
user 1.59
sys 0.00
+ echo
+ time -p ./main_cgoto
96
real 0.64
user 0.63
sys 0.00
+ echo
+ time -p ./main_call
96
real 1.56
user 1.56
sys 0.00
+ echo
+ time -p ./main_cgotow
96
real 1.06
user 1.06
sys 0.00
+ echo
+ time -p ./main_switchc
96
real 1.18
user 1.18
sys 0.00
+ echo
+ time -p ./main_sgoto
96
real 1.65
user 1.65
sys 0.00
+ echo
+ echo all done
all done
- [1]: https://eli.thegreenplace.net/2012/07/12/computed-goto-for-efficient-dispatch-tables/
- [2]: https://github.com/eliben/code-for-blog