In case of huge enough models it possibly can be made even faster using look (binary search), instead of grep... It is better in O terms, with maybe some large

In case of huge enough models it possibly can be made even faster using look (binary search), instead of grep... It is better in O terms, with maybe some large constant factor due to file seeking... http://man7.org/linux/man-pages/man1/look.1.html http://man7.org/linux/man-pages/man1/look.1.html