Feature #17135
Updated by S_H_ (Shun Hiraoka) about 4 years ago
`Integer#size` seem can improve parfomance by write in ruby code.
benchmark:
```yml
prelude: |
n = 42
benchmark:
size: |
n.size
loop_count: 20000000
```
result:
```bash
sh@MyComputer:~/rubydev/build$ make benchmark/integer_size.yml -e COMPARE_RUBY=~/.rbenv/shims/ruby -e BENCH_RUBY=../install/bin/ruby
# Iteration per second (i/s)
| |compare-ruby|built-ruby|
|:-----|-----------:|---------:|
|size | 65.749M| 87.117M|
| | -| 1.33x|
```
`COMPARE_RUBY` is `ruby 2.8.0dev (2020-08-28T10:47:29Z master 7e1fddba4a) [x86_64-linux]`. `BENCH_RUBY` is patched.
pull request:
https://github.com/ruby/ruby/pull/3476