Todd Gamblin e8b4d5fb6f Performance boost: reduce instantiations of re.Scanner ... - Lexer is the same for every Spec parser in spack, so don't build it every time. - This improves time to import package.py files a lot, as a Lexer doesn't have to be constructed for every spc in the packages. - To concretize dealii: - Before: ~20 sec - After: ~6 sec		2016-05-28 23:05:23 -07:00
..
spack	Performance boost: reduce instantiations of re.Scanner	2016-05-28 23:05:23 -07:00