Skip to content

Select optimization: Transform select into set when possible #153

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Select optimization: Transform select into set when possible #153

wants to merge 1 commit into from

Conversation

Andersama
Copy link
Contributor

@Andersama Andersama commented Dec 8, 2020 •
edited
Loading

In testing, compiles faster and generates assembly similar to -O3 even with -Os.

Treats regexs similar to:
(a|b|c)
as
([abc])

@Andersama
Copy link
Contributor Author

This is a transform probably best suited to the parser.

@Andersama
Copy link
Contributor Author

Andersama commented Dec 27, 2020 •
edited
Loading

Should've probably given an example for the difference: compiler explorer

Better example: compiler explorer

@Andersama Andersama force-pushed the patch-1 branch 2 times, most recently from f08f646 to 661ab01 Compare January 2, 2021 17:36
@Andersama Andersama force-pushed the patch-1 branch 2 times, most recently from 3136ca0 to 7f058d6 Compare January 4, 2021 03:47
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Reviewers
No reviews
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

Successfully merging this pull request may close these issues.
1 participant
@Andersama