Re:Fast high-level programming languages
by Measter on Tuesday May 19, 2020 @11:43AM
(#23236095)
It can really depend how you write it. In some instances you can just throw things together and it can look a fair bit like you might write it in what many would consider high level languages.
On the other hand, there are times when you really need to get into the nitty gritty of things for performance reasons, and it ends up feeling quite low level.
It's longer than the Python version[0], I'm going out of my way to not allocate for every string. But, and maybe I'm biased here, it doesn't really feel like it's low-level code.
On the other hand, there are times when you really need to get into the nitty gritty of things for performance reasons, and it ends up feeling quite low level.
For example, here's a Rust program which does the same as fqcnt_py1_4l.py: https://gist.github.com/Measter/d31abe88b5e318ba98856bf6f047...
It's longer than the Python version[0], I'm going out of my way to not allocate for every string. But, and maybe I'm biased here, it doesn't really feel like it's low-level code.
[0] https://github.com/lh3/biofast/blob/master/fqcnt/fqcnt_py1_4...